diff options
Diffstat (limited to 'drivers')
67 files changed, 914 insertions, 949 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index d7f9839ba26..a7799a99f2d 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -9,6 +9,7 @@ menuconfig ACPI depends on PCI depends on PM select PNP + select CPU_IDLE default y ---help--- Advanced Configuration and Power Interface (ACPI) support for @@ -287,7 +288,7 @@ config ACPI_CONTAINER support physical cpu/memory hot-plug. If one selects "m", this driver can be loaded with - "modprobe acpi_container". + "modprobe container". config ACPI_HOTPLUG_MEMORY tristate "Memory Hotplug" diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 9684cc82793..22ce4898572 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -538,10 +538,9 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags) if (ACPI_FAILURE(status)) { ACPI_WARNING((AE_INFO, "Truncating %u table entries!", - (unsigned) - (acpi_gbl_root_table_list.size - - acpi_gbl_root_table_list. - count))); + (unsigned) (table_count - + (acpi_gbl_root_table_list. + count - 2)))); break; } } diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index da9450bc60f..9c9897dbe90 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -116,9 +116,9 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) return_ACPI_STATUS(AE_NO_MEMORY); } - /* Default return value is SUPPORTED */ + /* Default return value is 0, NOT-SUPPORTED */ - return_desc->integer.value = ACPI_UINT32_MAX; + return_desc->integer.value = 0; walk_state->return_desc = return_desc; /* Compare input string to static table of supported interfaces */ @@ -127,10 +127,8 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) if (!ACPI_STRCMP (string_desc->string.pointer, acpi_interfaces_supported[i])) { - - /* The interface is supported */ - - return_ACPI_STATUS(AE_OK); + return_desc->integer.value = ACPI_UINT32_MAX; + goto done; } } @@ -141,15 +139,14 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) */ status = acpi_os_validate_interface(string_desc->string.pointer); if (ACPI_SUCCESS(status)) { - - /* The interface is supported */ - - return_ACPI_STATUS(AE_OK); + return_desc->integer.value = ACPI_UINT32_MAX; } - /* The interface is not supported */ +done: + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INFO, "ACPI: BIOS _OSI(%s) %ssupported\n", + string_desc->string.pointer, + return_desc->integer.value == 0 ? "not-" : "")); - return_desc->integer.value = 0; return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 17020c12623..fe0cdf83641 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -163,7 +163,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) case ACPI_NOTIFY_BUS_CHECK: /* Fall through */ case ACPI_NOTIFY_DEVICE_CHECK: - printk("Container driver received %s event\n", + printk(KERN_WARNING "Container driver received %s event\n", (type == ACPI_NOTIFY_BUS_CHECK) ? "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK"); status = acpi_bus_get_device(handle, &device); @@ -174,7 +174,8 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) kobject_uevent(&device->dev.kobj, KOBJ_ONLINE); else - printk("Failed to add container\n"); + printk(KERN_WARNING + "Failed to add container\n"); } } else { if (ACPI_SUCCESS(status)) { diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 5b30b8d91d7..35094f230b1 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -855,10 +855,14 @@ fdd_out: static ssize_t show_docked(struct device *dev, struct device_attribute *attr, char *buf) { + struct acpi_device *tmp; + struct dock_station *dock_station = *((struct dock_station **) dev->platform_data); - return snprintf(buf, PAGE_SIZE, "%d\n", dock_present(dock_station)); + if (ACPI_SUCCESS(acpi_bus_get_device(dock_station->handle, &tmp))) + return snprintf(buf, PAGE_SIZE, "1\n"); + return snprintf(buf, PAGE_SIZE, "0\n"); } static DEVICE_ATTR(docked, S_IRUGO, show_docked, NULL); @@ -984,7 +988,7 @@ static int dock_add(acpi_handle handle) ret = device_create_file(&dock_device->dev, &dev_attr_docked); if (ret) { - printk("Error %d adding sysfs file\n", ret); + printk(KERN_ERR "Error %d adding sysfs file\n", ret); platform_device_unregister(dock_device); kfree(dock_station); dock_station = NULL; @@ -992,7 +996,7 @@ static int dock_add(acpi_handle handle) } ret = device_create_file(&dock_device->dev, &dev_attr_undock); if (ret) { - printk("Error %d adding sysfs file\n", ret); + printk(KERN_ERR "Error %d adding sysfs file\n", ret); device_remove_file(&dock_device->dev, &dev_attr_docked); platform_device_unregister(dock_device); kfree(dock_station); @@ -1001,7 +1005,7 @@ static int dock_add(acpi_handle handle) } ret = device_create_file(&dock_device->dev, &dev_attr_uid); if (ret) { - printk("Error %d adding sysfs file\n", ret); + printk(KERN_ERR "Error %d adding sysfs file\n", ret); device_remove_file(&dock_device->dev, &dev_attr_docked); device_remove_file(&dock_device->dev, &dev_attr_undock); platform_device_unregister(dock_device); @@ -1011,7 +1015,7 @@ static int dock_add(acpi_handle handle) } ret = device_create_file(&dock_device->dev, &dev_attr_flags); if (ret) { - printk("Error %d adding sysfs file\n", ret); + printk(KERN_ERR "Error %d adding sysfs file\n", ret); device_remove_file(&dock_device->dev, &dev_attr_docked); device_remove_file(&dock_device->dev, &dev_attr_undock); device_remove_file(&dock_device->dev, &dev_attr_uid); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index a2b82c90a68..5c2f5d343be 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -982,7 +982,7 @@ int __init acpi_ec_ecdt_probe(void) saved_ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL); if (!saved_ec) return -ENOMEM; - memcpy(&saved_ec, boot_ec, sizeof(saved_ec)); + memcpy(saved_ec, boot_ec, sizeof(*saved_ec)); /* fall through */ } /* This workaround is needed only on some broken machines, diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index adec3d15810..5479b9f4251 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -255,12 +255,12 @@ static int acpi_platform_notify(struct device *dev) } type = acpi_get_bus_type(dev->bus); if (!type) { - DBG("No ACPI bus support for %s\n", dev->bus_id); + DBG("No ACPI bus support for %s\n", dev_name(dev)); ret = -EINVAL; goto end; } if ((ret = type->find_device(dev, &handle)) != 0) - DBG("Can't get handler for %s\n", dev->bus_id); + DBG("Can't get handler for %s\n", dev_name(dev)); end: if (!ret) acpi_bind_one(dev, handle); @@ -271,10 +271,10 @@ static int acpi_platform_notify(struct device *dev) acpi_get_name(dev->archdata.acpi_handle, ACPI_FULL_PATHNAME, &buffer); - DBG("Device %s -> %s\n", dev->bus_id, (char *)buffer.pointer); + DBG("Device %s -> %s\n", dev_name(dev), (char *)buffer.pointer); kfree(buffer.pointer); } else - DBG("Device %s -> No ACPI support\n", dev->bus_id); + DBG("Device %s -> No ACPI support\n", dev_name(dev)); #endif return ret; diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 6729a4992f2..b3193ec0a2e 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -228,10 +228,10 @@ void acpi_os_vprintf(const char *fmt, va_list args) if (acpi_in_debugger) { kdb_printf("%s", buffer); } else { - printk("%s", buffer); + printk(KERN_CONT "%s", buffer); } #else - printk("%s", buffer); + printk(KERN_CONT "%s", buffer); #endif } @@ -1317,6 +1317,54 @@ acpi_os_validate_interface (char *interface) return AE_SUPPORT; } +#ifdef CONFIG_X86 + +struct aml_port_desc { + uint start; + uint end; + char* name; + char warned; +}; + +static struct aml_port_desc aml_invalid_port_list[] = { + {0x20, 0x21, "PIC0", 0}, + {0xA0, 0xA1, "PIC1", 0}, + {0x4D0, 0x4D1, "ELCR", 0} +}; + +/* + * valid_aml_io_address() + * + * if valid, return true + * else invalid, warn once, return false + */ +static bool valid_aml_io_address(uint address, uint length) +{ + int i; + int entries = sizeof(aml_invalid_port_list) / sizeof(struct aml_port_desc); + + for (i = 0; i < entries; ++i) { + if ((address >= aml_invalid_port_list[i].start && + address <= aml_invalid_port_list[i].end) || + (address + length >= aml_invalid_port_list[i].start && + address + length <= aml_invalid_port_list[i].end)) + { + if (!aml_invalid_port_list[i].warned) + { + printk(KERN_ERR "ACPI: Denied BIOS AML access" + " to invalid port 0x%x+0x%x (%s)\n", + address, length, + aml_invalid_port_list[i].name); + aml_invalid_port_list[i].warned = 1; + } + return false; /* invalid */ + } + } + return true; /* valid */ +} +#else +static inline bool valid_aml_io_address(uint address, uint length) { return true; } +#endif /****************************************************************************** * * FUNCTION: acpi_os_validate_address @@ -1346,6 +1394,8 @@ acpi_os_validate_address ( switch (space_id) { case ACPI_ADR_SPACE_SYSTEM_IO: + if (!valid_aml_io_address(address, length)) + return AE_AML_ILLEGAL_ADDRESS; case ACPI_ADR_SPACE_SYSTEM_MEMORY: /* Only interference checks against SystemIO and SytemMemory are needed */ diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 1c6e73c7865..6c772ca76bd 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -593,7 +593,7 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) return -ENODEV; } else { acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; - printk(PREFIX "%s [%s] enabled at IRQ %d\n", + printk(KERN_WARNING PREFIX "%s [%s] enabled at IRQ %d\n", acpi_device_name(link->device), acpi_device_bid(link->device), link->irq.active); } diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 66a9d814556..7bc22a471fe 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -66,43 +66,17 @@ ACPI_MODULE_NAME("processor_idle"); #define ACPI_PROCESSOR_FILE_POWER "power" #define US_TO_PM_TIMER_TICKS(t) ((t * (PM_TIMER_FREQUENCY/1000)) / 1000) #define PM_TIMER_TICK_NS (1000000000ULL/PM_TIMER_FREQUENCY) -#ifndef CONFIG_CPU_IDLE -#define C2_OVERHEAD 4 /* 1us (3.579 ticks per us) */ -#define C3_OVERHEAD 4 /* 1us (3.579 ticks per us) */ -static void (*pm_idle_save) (void) __read_mostly; -#else #define C2_OVERHEAD 1 /* 1us */ #define C3_OVERHEAD 1 /* 1us */ -#endif #define PM_TIMER_TICKS_TO_US(p) (((p) * 1000)/(PM_TIMER_FREQUENCY/1000)) static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER; -#ifdef CONFIG_CPU_IDLE module_param(max_cstate, uint, 0000); -#else -module_param(max_cstate, uint, 0644); -#endif static unsigned int nocst __read_mostly; module_param(nocst, uint, 0000); -#ifndef CONFIG_CPU_IDLE -/* - * bm_history -- bit-mask with a bit per jiffy of bus-master activity - * 1000 HZ: 0xFFFFFFFF: 32 jiffies = 32ms - * 800 HZ: 0xFFFFFFFF: 32 jiffies = 40ms - * 100 HZ: 0x0000000F: 4 jiffies = 40ms - * reduce history for more aggressive entry into C3 - */ -static unsigned int bm_history __read_mostly = - (HZ >= 800 ? 0xFFFFFFFF : ((1U << (HZ / 25)) - 1)); -module_param(bm_history, uint, 0644); - -static int acpi_processor_set_power_policy(struct acpi_processor *pr); - -#else /* CONFIG_CPU_IDLE */ static unsigned int latency_factor __read_mostly = 2; module_param(latency_factor, uint, 0644); -#endif /* * IBM ThinkPad R40e crashes mysteriously when going into C2 or C3. @@ -224,71 +198,6 @@ static void acpi_safe_halt(void) current_thread_info()->status |= TS_POLLING; } -#ifndef CONFIG_CPU_IDLE - -static void -acpi_processor_power_activate(struct acpi_processor *pr, - struct acpi_processor_cx *new) -{ - struct acpi_processor_cx *old; - - if (!pr || !new) - return; - - old = pr->power.state; - - if (old) - old->promotion.count = 0; - new->demotion.count = 0; - - /* Cleanup from old state. */ - if (old) { - switch (old->type) { - case ACPI_STATE_C3: - /* Disable bus master reload */ - if (new->type != ACPI_STATE_C3 && pr->flags.bm_check) - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0); - break; - } - } - - /* Prepare to use new state. */ - switch (new->type) { - case ACPI_STATE_C3: - /* Enable bus master reload */ - if (old->type != ACPI_STATE_C3 && pr->flags.bm_check) - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1); - break; - } - - pr->power.state = new; - - return; -} - -static atomic_t c3_cpu_count; - -/* Common C-state entry for C2, C3, .. */ -static void acpi_cstate_enter(struct acpi_processor_cx *cstate) -{ - /* Don't trace irqs off for idle */ - stop_critical_timings(); - if (cstate->entry_method == ACPI_CSTATE_FFH) { - /* Call into architectural FFH based C-state */ - acpi_processor_ffh_cstate_enter(cstate); - } else { - int unused; - /* IO port based C-state */ - inb(cstate->address); - /* Dummy wait op - must do something useless after P_LVL2 read - because chipsets cannot guarantee that STPCLK# signal - gets asserted in time to freeze execution properly. */ - unused = inl(acpi_gbl_FADT.xpm_timer_block.address); - } - start_critical_timings(); -} -#endif /* !CONFIG_CPU_IDLE */ - #ifdef ARCH_APICTIMER_STOPS_ON_C3 /* @@ -390,421 +299,6 @@ static int tsc_halts_in_c(int state) } #endif -#ifndef CONFIG_CPU_IDLE -static void acpi_processor_idle(void) -{ - struct acpi_processor *pr = NULL; - struct acpi_processor_cx *cx = NULL; - struct acpi_processor_cx *next_state = NULL; - int sleep_ticks = 0; - u32 t1, t2 = 0; - - /* - * Interrupts must be disabled during bus mastering calculations and - * for C2/C3 transitions. - */ - local_irq_disable(); - - pr = __get_cpu_var(processors); - if (!pr) { - local_irq_enable(); - return; - } - - /* - * Check whether we truly need to go idle, or should - * reschedule: - */ - if (unlikely(need_resched())) { - local_irq_enable(); - return; - } - - cx = pr->power.state; - if (!cx || acpi_idle_suspend) { - if (pm_idle_save) { - pm_idle_save(); /* enables IRQs */ - } else { - acpi_safe_halt(); - local_irq_enable(); - } - - return; - } - - /* - * Check BM Activity - * ----------------- - * Check for bus mastering activity (if required), record, and check - * for demotion. - */ - if (pr->flags.bm_check) { - u32 bm_status = 0; - unsigned long diff = jiffies - pr->power.bm_check_timestamp; - - if (diff > 31) - diff = 31; - - pr->power.bm_activity <<= diff; - - acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status); - if (bm_status) { - pr->power.bm_activity |= 0x1; - acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1); - } - /* - * PIIX4 Erratum #18: Note that BM_STS doesn't always reflect - * the true state of bus mastering activity; forcing us to - * manually check the BMIDEA bit of each IDE channel. - */ - else if (errata.piix4.bmisx) { - if ((inb_p(errata.piix4.bmisx + 0x02) & 0x01) - || (inb_p(errata.piix4.bmisx + 0x0A) & 0x01)) - pr->power.bm_activity |= 0x1; - } - - pr->power.bm_check_timestamp = jiffies; - - /* - * If bus mastering is or was active this jiffy, demote - * to avoid a faulty transition. Note that the processor - * won't enter a low-power state during this call (to this - * function) but should upon the next. - * - * TBD: A better policy might be to fallback to the demotion - * state (use it for this quantum only) istead of - * demoting -- and rely on duration as our sole demotion - * qualification. This may, however, introduce DMA - * issues (e.g. floppy DMA transfer overrun/underrun). - */ - if ((pr->power.bm_activity & 0x1) && - cx->demotion.threshold.bm) { - local_irq_enable(); - next_state = cx->demotion.state; - goto end; - } - } - -#ifdef CONFIG_HOTPLUG_CPU - /* - * Check for P_LVL2_UP flag before entering C2 and above on - * an SMP system. We do it here instead of doing it at _CST/P_LVL - * detection phase, to work cleanly with logical CPU hotplug. - */ - if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && - !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) - cx = &pr->power.states[ACPI_STATE_C1]; -#endif - - /* - * Sleep: - * ------ - * Invoke the current Cx state to put the processor to sleep. - */ - if (cx->type == ACPI_STATE_C2 || cx->type == ACPI_STATE_C3) { - current_thread_info()->status &= ~TS_POLLING; - /* - * TS_POLLING-cleared state must be visible before we - * test NEED_RESCHED: - */ - smp_mb(); - if (need_resched()) { - current_thread_info()->status |= TS_POLLING; - local_irq_enable(); - return; - } - } - - switch (cx->type) { - - case ACPI_STATE_C1: - /* - * Invoke C1. - * Use the appropriate idle routine, the one that would - * be used without acpi C-states. - */ - if (pm_idle_save) { - pm_idle_save(); /* enables IRQs */ - } else { - acpi_safe_halt(); - local_irq_enable(); - } - - /* - * TBD: Can't get time duration while in C1, as resumes - * go to an ISR rather than here. Need to instrument - * base interrupt handler. - * - * Note: the TSC better not stop in C1, sched_clock() will - * skew otherwise. - */ - sleep_ticks = 0xFFFFFFFF; - - break; - - case ACPI_STATE_C2: - /* Get start time (ticks) */ - t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); - /* Tell the scheduler that we are going deep-idle: */ - sched_clock_idle_sleep_event(); - /* Invoke C2 */ - acpi_state_timer_broadcast(pr, cx, 1); - acpi_cstate_enter(cx); - /* Get end time (ticks) */ - t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); - -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) - /* TSC halts in C2, so notify users */ - if (tsc_halts_in_c(ACPI_STATE_C2)) - mark_tsc_unstable("possible TSC halt in C2"); -#endif - /* Compute time (ticks) that we were actually asleep */ - sleep_ticks = ticks_elapsed(t1, t2); - - /* Tell the scheduler how much we idled: */ - sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS); - - /* Re-enable interrupts */ - local_irq_enable(); - /* Do not account our idle-switching overhead: */ - sleep_ticks -= cx->latency_ticks + C2_OVERHEAD; - - current_thread_info()->status |= TS_POLLING; - acpi_state_timer_broadcast(pr, cx, 0); - break; - - case ACPI_STATE_C3: - acpi_unlazy_tlb(smp_processor_id()); - /* - * Must be done before busmaster disable as we might - * need to access HPET ! - */ - acpi_state_timer_broadcast(pr, cx, 1); - /* - * disable bus master - * bm_check implies we need ARB_DIS - * !bm_check implies we need cache flush - * bm_control implies whether we can do ARB_DIS - * - * That leaves a case where bm_check is set and bm_control is - * not set. In that case we cannot do much, we enter C3 - * without doing anything. - */ - if (pr->flags.bm_check && pr->flags.bm_control) { - if (atomic_inc_return(&c3_cpu_count) == - num_online_cpus()) { - /* - * All CPUs are trying to go to C3 - * Disable bus master arbitration - */ - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1); - } - } else if (!pr->flags.bm_check) { - /* SMP with no shared cache... Invalidate cache */ - ACPI_FLUSH_CPU_CACHE(); - } - - /* Get start time (ticks) */ - t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); - /* Invoke C3 */ - /* Tell the scheduler that we are going deep-idle: */ - sched_clock_idle_sleep_event(); - acpi_cstate_enter(cx); - /* Get end time (ticks) */ - t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); - if (pr->flags.bm_check && pr->flags.bm_control) { - /* Enable bus master arbitration */ - atomic_dec(&c3_cpu_count); - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0); - } - -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) - /* TSC halts in C3, so notify users */ - if (tsc_halts_in_c(ACPI_STATE_C3)) - mark_tsc_unstable("TSC halts in C3"); -#endif - /* Compute time (ticks) that we were actually asleep */ - sleep_ticks = ticks_elapsed(t1, t2); - /* Tell the scheduler how much we idled: */ - sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS); - - /* Re-enable interrupts */ - local_irq_enable(); - /* Do not account our idle-switching overhead: */ - sleep_ticks -= cx->latency_ticks + C3_OVERHEAD; - - current_thread_info()->status |= TS_POLLING; - acpi_state_timer_broadcast(pr, cx, 0); - break; - - default: - local_irq_enable(); - return; - } - cx->usage++; - if ((cx->type != ACPI_STATE_C1) && (sleep_ticks > 0)) - cx->time += sleep_ticks; - - next_state = pr->power.state; - -#ifdef CONFIG_HOTPLUG_CPU - /* Don't do promotion/demotion */ - if ((cx->type == ACPI_STATE_C1) && (num_online_cpus() > 1) && - !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) { - next_state = cx; - goto end; - } -#endif - - /* - * Promotion? - * ---------- - * Track the number of longs (time asleep is greater than threshold) - * and promote when the count threshold is reached. Note that bus - * mastering activity may prevent promotions. - * Do not promote above max_cstate. - */ - if (cx->promotion.state && - ((cx->promotion.state - pr->power.states) <= max_cstate)) { - if (sleep_ticks > cx->promotion.threshold.ticks && - cx->promotion.state->latency <= - pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)) { - cx->promotion.count++; - cx->demotion.count = 0; - if (cx->promotion.count >= - cx->promotion.threshold.count) { - if (pr->flags.bm_check) { - if (! - (pr->power.bm_activity & cx-> - promotion.threshold.bm)) { - next_state = - cx->promotion.state; - goto end; - } - } else { - next_state = cx->promotion.state; - goto end; - } - } - } - } - - /* - * Demotion? - * --------- - * Track the number of shorts (time asleep is less than time threshold) - * and demote when the usage threshold is reached. - */ - if (cx->demotion.state) { - if (sleep_ticks < cx->demotion.threshold.ticks) { - cx->demotion.count++; - cx->promotion.count = 0; - if (cx->demotion.count >= cx->demotion.threshold.count) { - next_state = cx->demotion.state; - goto end; - } - } - } - - end: - /* - * Demote if current state exceeds max_cstate - * or if the latency of the current state is unacceptable - */ - if ((pr->power.state - pr->power.states) > max_cstate || - pr->power.state->latency > - pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)) { - if (cx->demotion.state) - next_state = cx->demotion.state; - } - - /* - * New Cx State? - * ------------- - * If we're going to start using a new Cx state we must clean up - * from the previous and prepare to use the new. - */ - if (next_state != pr->power.state) - acpi_processor_power_activate(pr, next_state); -} - -static int acpi_processor_set_power_policy(struct acpi_processor *pr) -{ - unsigned int i; - unsigned int state_is_set = 0; - struct acpi_processor_cx *lower = NULL; - struct acpi_processor_cx *higher = NULL; - struct acpi_processor_cx *cx; - - - if (!pr) - return -EINVAL; - - /* - * This function sets the default Cx state policy (OS idle handler). - * Our scheme is to promote quickly to C2 but more conservatively - * to C3. We're favoring C2 for its characteristics of low latency - * (quick response), good power savings, and ability to allow bus - * mastering activity. Note that the Cx state policy is completely - * customizable and can be altered dynamically. - */ - - /* startup state */ - for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { - cx = &pr->power.states[i]; - if (!cx->valid) - continue; - - if (!state_is_set) - pr->power.state = cx; - state_is_set++; - break; - } - - if (!state_is_set) - return -ENODEV; - - /* demotion */ - for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { - cx = &pr->power.states[i]; - if (!cx->valid) - continue; - - if (lower) { - cx->demotion.state = lower; - cx->demotion.threshold.ticks = cx->latency_ticks; - cx->demotion.threshold.count = 1; - if (cx->type == ACPI_STATE_C3) - cx->demotion.threshold.bm = bm_history; - } - - lower = cx; - } - - /* promotion */ - for (i = (ACPI_PROCESSOR_MAX_POWER - 1); i > 0; i--) { - cx = &pr->power.states[i]; - if (!cx->valid) - continue; - - if (higher) { - cx->promotion.state = higher; - cx->promotion.threshold.ticks = cx->latency_ticks; - if (cx->type >= ACPI_STATE_C2) - cx->promotion.threshold.count = 4; - else - cx->promotion.threshold.count = 10; - if (higher->type == ACPI_STATE_C3) - cx->promotion.threshold.bm = bm_history; - } - - higher = cx; - } - - return 0; -} -#endif /* !CONFIG_CPU_IDLE */ - static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) { @@ -1047,11 +541,7 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx) */ cx->valid = 1; -#ifndef CONFIG_CPU_IDLE - cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency); -#else cx->latency_ticks = cx->latency; -#endif return; } @@ -1121,7 +611,6 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, " for C3 to be enabled on SMP systems\n")); return; } - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0); } /* @@ -1132,11 +621,16 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, */ cx->valid = 1; -#ifndef CONFIG_CPU_IDLE - cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency); -#else cx->latency_ticks = cx->latency; -#endif + /* + * On older chipsets, BM_RLD needs to be set + * in order for Bus Master activity to wake the + * system from C3. Newer chipsets handle DMA + * during C3 automatically and BM_RLD is a NOP. + * In either case, the proper way to + * handle BM_RLD is to set it and leave it set. + */ + acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1); return; } @@ -1201,20 +695,6 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr) pr->power.count = acpi_processor_power_verify(pr); -#ifndef CONFIG_CPU_IDLE - /* - * Set Default Policy - * ------------------ - * Now that we know which states are supported, set the default - * policy. Note that this policy can be changed dynamically - * (e.g. encourage deeper sleeps to conserve battery life when - * not on AC). - */ - result = acpi_processor_set_power_policy(pr); - if (result) - return result; -#endif - /* * if one state of type C2 or C3 is available, mark this * CPU as being "idle manageable" @@ -1312,69 +792,6 @@ static const struct file_operations acpi_processor_power_fops = { .release = single_release, }; -#ifndef CONFIG_CPU_IDLE - -int acpi_processor_cst_has_changed(struct acpi_processor *pr) -{ - int result = 0; - - if (boot_option_idle_override) - return 0; - - if (!pr) - return -EINVAL; - - if (nocst) { - return -ENODEV; - } - - if (!pr->flags.power_setup_done) - return -ENODEV; - - /* - * Fall back to the default idle loop, when pm_idle_save had - * been initialized. - */ - if (pm_idle_save) { - pm_idle = pm_idle_save; - /* Relies on interrupts forcing exit from idle. */ - synchronize_sched(); - } - - pr->flags.power = 0; - result = acpi_processor_get_power_info(pr); - if ((pr->flags.power == 1) && (pr->flags.power_setup_done)) - pm_idle = acpi_processor_idle; - - return result; -} - -#ifdef CONFIG_SMP -static void smp_callback(void *v) -{ - /* we already woke the CPU up, nothing more to do */ -} - -/* - * This function gets called when a part of the kernel has a new latency - * requirement. This means we need to get all processors out of their C-state, - * and then recalculate a new suitable C-state. Just do a cross-cpu IPI; that - * wakes them all right up. - */ -static int acpi_processor_latency_notify(struct notifier_block *b, - unsigned long l, void *v) -{ - smp_call_function(smp_callback, NULL, 1); - return NOTIFY_OK; -} - -static struct notifier_block acpi_processor_latency_notifier = { - .notifier_call = acpi_processor_latency_notify, -}; - -#endif - -#else /* CONFIG_CPU_IDLE */ /** * acpi_idle_bm_check - checks if bus master activity was detected @@ -1383,7 +800,7 @@ static int acpi_idle_bm_check(void) { u32 bm_status = 0; - acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status); + acpi_get_register_unlocked(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status); if (bm_status) acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1); /* @@ -1400,25 +817,6 @@ static int acpi_idle_bm_check(void) } /** - * acpi_idle_update_bm_rld - updates the BM_RLD bit depending on target state - * @pr: the processor - * @target: the new target state - */ -static inline void acpi_idle_update_bm_rld(struct acpi_processor *pr, - struct acpi_processor_cx *target) -{ - if (pr->flags.bm_rld_set && target->type != ACPI_STATE_C3) { - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0); - pr->flags.bm_rld_set = 0; - } - - if (!pr->flags.bm_rld_set && target->type == ACPI_STATE_C3) { - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1); - pr->flags.bm_rld_set = 1; - } -} - -/** * acpi_idle_do_entry - a helper function that does C2 and C3 type entry * @cx: cstate data * @@ -1473,9 +871,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, return 0; } - if (pr->flags.bm_check) - acpi_idle_update_bm_rld(pr, cx); - t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); acpi_idle_do_entry(cx); t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); @@ -1527,9 +922,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, */ acpi_state_timer_broadcast(pr, cx, 1); - if (pr->flags.bm_check) - acpi_idle_update_bm_rld(pr, cx); - if (cx->type == ACPI_STATE_C3) ACPI_FLUSH_CPU_CACHE(); @@ -1621,8 +1013,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, */ acpi_state_timer_broadcast(pr, cx, 1); - acpi_idle_update_bm_rld(pr, cx); - /* * disable bus master * bm_check implies we need ARB_DIS @@ -1795,8 +1185,6 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) return ret; } -#endif /* CONFIG_CPU_IDLE */ - int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *device) { @@ -1825,10 +1213,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, "ACPI: processor limited to max C-state %d\n", max_cstate); first_run++; -#if !defined(CONFIG_CPU_IDLE) && defined(CONFIG_SMP) - pm_qos_add_notifier(PM_QOS_CPU_DMA_LATENCY, - &acpi_processor_latency_notifier); -#endif } if (!pr) @@ -1852,11 +1236,9 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, * platforms that only support C1. */ if (pr->flags.power) { -#ifdef CONFIG_CPU_IDLE acpi_processor_setup_cpuidle(pr); if (cpuidle_register_device(&pr->power.dev)) return -EIO; -#endif printk(KERN_INFO PREFIX "CPU%d (power states:", pr->id); for (i = 1; i <= pr->power.count; i++) @@ -1864,13 +1246,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, printk(" C%d[C%d]", i, pr->power.states[i].type); printk(")\n"); - -#ifndef CONFIG_CPU_IDLE - if (pr->id == 0) { - pm_idle_save = pm_idle; - pm_idle = acpi_processor_idle; - } -#endif } /* 'power' [R] */ @@ -1889,34 +1264,12 @@ int acpi_processor_power_exit(struct acpi_processor *pr, if (boot_option_idle_override) return 0; -#ifdef CONFIG_CPU_IDLE cpuidle_unregister_device(&pr->power.dev); -#endif pr->flags.power_setup_done = 0; if (acpi_device_dir(device)) remove_proc_entry(ACPI_PROCESSOR_FILE_POWER, acpi_device_dir(device)); -#ifndef CONFIG_CPU_IDLE - - /* Unregister the idle handler when processor #0 is removed. */ - if (pr->id == 0) { - if (pm_idle_save) - pm_idle = pm_idle_save; - - /* - * We are about to unload the current idle thread pm callback - * (pm_idle), Wait for all processors to update cached/local - * copies of pm_idle before proceeding. - */ - cpu_idle_wait(); -#ifdef CONFIG_SMP - pm_qos_remove_notifier(PM_QOS_CPU_DMA_LATENCY, - &acpi_processor_latency_notifier); -#endif - } -#endif - return 0; } diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 7e3c609cbef..519266654f0 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -90,31 +90,6 @@ void __init acpi_old_suspend_ordering(void) old_suspend_ordering = true; } -/* - * According to the ACPI specification the BIOS should make sure that ACPI is - * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states. Still, - * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI - * on such systems during resume. Unfortunately that doesn't help in - * particularly pathological cases in which SCI_EN has to be set directly on - * resume, although the specification states very clearly that this flag is - * owned by the hardware. The set_sci_en_on_resume variable will be set in such - * cases. - */ -static bool set_sci_en_on_resume; -/* - * The ACPI specification wants us to save NVS memory regions during hibernation - * and to restore them during the subsequent resume. However, it is not certain - * if this mechanism is going to work on all machines, so we allow the user to - * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line - * option. - */ -static bool s4_no_nvs; - -void __init acpi_s4_no_nvs(void) -{ - s4_no_nvs = true; -} - /** * acpi_pm_disable_gpes - Disable the GPEs. */ @@ -193,6 +168,18 @@ static void acpi_pm_end(void) #endif /* CONFIG_ACPI_SLEEP */ #ifdef CONFIG_SUSPEND +/* + * According to the ACPI specification the BIOS should make sure that ACPI is + * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states. Still, + * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI + * on such systems during resume. Unfortunately that doesn't help in + * particularly pathological cases in which SCI_EN has to be set directly on + * resume, although the specification states very clearly that this flag is + * owned by the hardware. The set_sci_en_on_resume variable will be set in such + * cases. + */ +static bool set_sci_en_on_resume; + extern void do_suspend_lowlevel(void); static u32 acpi_suspend_states[] = { @@ -396,6 +383,20 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { #endif /* CONFIG_SUSPEND */ #ifdef CONFIG_HIBERNATION +/* + * The ACPI specification wants us to save NVS memory regions during hibernation + * and to restore them during the subsequent resume. However, it is not certain + * if this mechanism is going to work on all machines, so we allow the user to + * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line + * option. + */ +static bool s4_no_nvs; + +void __init acpi_s4_no_nvs(void) +{ + s4_no_nvs = true; +} + static unsigned long s4_hardware_signature; static struct acpi_table_facs *facs; static bool nosigcheck; @@ -679,7 +680,7 @@ static void acpi_power_off_prepare(void) static void acpi_power_off(void) { /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ - printk("%s called\n", __func__); + printk(KERN_DEBUG "%s called\n", __func__); local_irq_disable(); acpi_enable_wakeup_device(ACPI_STATE_S5); acpi_enter_sleep_state(ACPI_STATE_S5); diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 775c97a282b..a8852952fac 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -293,7 +293,12 @@ static void __init check_multiple_madt(void) int __init acpi_table_init(void) { - acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0); + acpi_status status; + + status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0); + if (ACPI_FAILURE(status)) + return 1; + check_multiple_madt(); return 0; } diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index f261737636d..bb5ed059114 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1020,7 +1020,7 @@ acpi_video_device_brightness_seq_show(struct seq_file *seq, void *offset) } seq_printf(seq, "levels: "); - for (i = 0; i < dev->brightness->count; i++) + for (i = 2; i < dev->brightness->count; i++) seq_printf(seq, " %d", dev->brightness->levels[i]); seq_printf(seq, "\ncurrent: %d\n", dev->brightness->curr); @@ -1059,7 +1059,7 @@ acpi_video_device_write_brightness(struct file *file, return -EFAULT; /* validate through the list of available levels */ - for (i = 0; i < dev->brightness->count; i++) + for (i = 2; i < dev->brightness->count; i++) if (level == dev->brightness->levels[i]) { if (ACPI_SUCCESS (acpi_video_device_lcd_set_level(dev, level))) @@ -1260,7 +1260,7 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) printk(KERN_WARNING PREFIX "This indicates a BIOS bug. Please contact the manufacturer.\n"); } - printk("%llx\n", options); + printk(KERN_WARNING "%llx\n", options); seq_printf(seq, "can POST: <integrated video>"); if (options & 2) seq_printf(seq, " <PCI video>"); @@ -1712,7 +1712,7 @@ acpi_video_get_next_level(struct acpi_video_device *device, max = max_below = 0; min = min_above = 255; /* Find closest level to level_current */ - for (i = 0; i < device->brightness->count; i++) { + for (i = 2; i < device->brightness->count; i++) { l = device->brightness->levels[i]; if (abs(l - level_current) < abs(delta)) { delta = l - level_current; @@ -1722,7 +1722,7 @@ acpi_video_get_next_level(struct acpi_video_device *device, } /* Ajust level_current to closest available level */ level_current += delta; - for (i = 0; i < device->brightness->count; i++) { + for (i = 2; i < device->brightness->count; i++) { l = device->brightness->levels[i]; if (l < min) min = l; @@ -2006,6 +2006,12 @@ static int acpi_video_bus_add(struct acpi_device *device) device->pnp.bus_id[3] = '0' + instance; instance ++; } + /* a hack to fix the duplicate name "VGA" problem on Pa 3553 */ + if (!strcmp(device->pnp.bus_id, "VGA")) { + if (instance) + device->pnp.bus_id[3] = '0' + instance; + instance++; + } video->device = device; strcpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME); diff --git a/drivers/char/sx.c b/drivers/char/sx.c index b60be7b0dec..f146e90404f 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -1713,8 +1713,8 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd, for (i = 0; i < SX_NBOARDS; i++) sx_dprintk(SX_DEBUG_FIRMWARE, "<%x> ", boards[i].flags); sx_dprintk(SX_DEBUG_FIRMWARE, "\n"); - unlock_kernel(); - return -EIO; + rc = -EIO; + goto out; } switch (cmd) { @@ -1747,7 +1747,8 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd, break; case SXIO_DO_RAMTEST: if (sx_initialized) /* Already initialized: better not ramtest the board. */ - return -EPERM; + rc = -EPERM; + break; if (IS_SX_BOARD(board)) { rc = do_memtest(board, 0, 0x7000); if (!rc) @@ -1844,6 +1845,7 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd, rc = -ENOTTY; break; } +out: unlock_kernel(); func_exit(); return rc; diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c index 55433849bfa..33bd7534751 100644 --- a/drivers/dca/dca-core.c +++ b/drivers/dca/dca-core.c @@ -28,7 +28,7 @@ #include <linux/device.h> #include <linux/dca.h> -#define DCA_VERSION "1.4" +#define DCA_VERSION "1.8" MODULE_VERSION(DCA_VERSION); MODULE_LICENSE("GPL"); @@ -60,16 +60,17 @@ int dca_add_requester(struct device *dev) { struct dca_provider *dca; int err, slot = -ENODEV; + unsigned long flags; if (!dev) return -EFAULT; - spin_lock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); /* check if the requester has not been added already */ dca = dca_find_provider_by_dev(dev); if (dca) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return -EEXIST; } @@ -78,19 +79,21 @@ int dca_add_requester(struct device *dev) if (slot >= 0) break; } - if (slot < 0) { - spin_unlock(&dca_lock); + + spin_unlock_irqrestore(&dca_lock, flags); + + if (slot < 0) return slot; - } err = dca_sysfs_add_req(dca, dev, slot); if (err) { - dca->ops->remove_requester(dca, dev); - spin_unlock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); + if (dca == dca_find_provider_by_dev(dev)) + dca->ops->remove_requester(dca, dev); + spin_unlock_irqrestore(&dca_lock, flags); return err; } - spin_unlock(&dca_lock); return 0; } EXPORT_SYMBOL_GPL(dca_add_requester); @@ -103,25 +106,25 @@ int dca_remove_requester(struct device *dev) { struct dca_provider *dca; int slot; + unsigned long flags; if (!dev) return -EFAULT; - spin_lock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); dca = dca_find_provider_by_dev(dev); if (!dca) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return -ENODEV; } slot = dca->ops->remove_requester(dca, dev); - if (slot < 0) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); + + if (slot < 0) return slot; - } dca_sysfs_remove_req(dca, slot); - spin_unlock(&dca_lock); return 0; } EXPORT_SYMBOL_GPL(dca_remove_requester); @@ -135,17 +138,18 @@ u8 dca_common_get_tag(struct device *dev, int cpu) { struct dca_provider *dca; u8 tag; + unsigned long flags; - spin_lock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); dca = dca_find_provider_by_dev(dev); if (!dca) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return -ENODEV; } tag = dca->ops->get_tag(dca, dev, cpu); - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return tag; } @@ -217,11 +221,16 @@ static BLOCKING_NOTIFIER_HEAD(dca_provider_chain); int register_dca_provider(struct dca_provider *dca, struct device *dev) { int err; + unsigned long flags; err = dca_sysfs_add_provider(dca, dev); if (err) return err; + + spin_lock_irqsave(&dca_lock, flags); list_add(&dca->node, &dca_providers); + spin_unlock_irqrestore(&dca_lock, flags); + blocking_notifier_call_chain(&dca_provider_chain, DCA_PROVIDER_ADD, NULL); return 0; @@ -234,9 +243,15 @@ EXPORT_SYMBOL_GPL(register_dca_provider); */ void unregister_dca_provider(struct dca_provider *dca) { + unsigned long flags; + blocking_notifier_call_chain(&dca_provider_chain, DCA_PROVIDER_REMOVE, NULL); + + spin_lock_irqsave(&dca_lock, flags); list_del(&dca->node); + spin_unlock_irqrestore(&dca_lock, flags); + dca_sysfs_remove_provider(dca); } EXPORT_SYMBOL_GPL(unregister_dca_provider); diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c index 7be2cf3514e..a5dd7a665aa 100644 --- a/drivers/firewire/fw-card.c +++ b/drivers/firewire/fw-card.c @@ -412,6 +412,7 @@ fw_card_add(struct fw_card *card, { u32 *config_rom; size_t length; + int err; card->max_receive = max_receive; card->link_speed = link_speed; @@ -422,7 +423,13 @@ fw_card_add(struct fw_card *card, list_add_tail(&card->link, &card_list); mutex_unlock(&card_mutex); - return card->driver->enable(card, config_rom, length); + err = card->driver->enable(card, config_rom, length); + if (err < 0) { + mutex_lock(&card_mutex); + list_del(&card->link); + mutex_unlock(&card_mutex); + } + return err; } EXPORT_SYMBOL(fw_card_add); diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c index 03705240000..abf4dfc8ec2 100644 --- a/drivers/hwmon/hp_accel.c +++ b/drivers/hwmon/hp_accel.c @@ -153,7 +153,10 @@ static struct axis_conversion lis3lv02d_axis_y_inverted = {1, -2, 3}; static struct axis_conversion lis3lv02d_axis_x_inverted = {-1, 2, 3}; static struct axis_conversion lis3lv02d_axis_z_inverted = {1, 2, -3}; static struct axis_conversion lis3lv02d_axis_xy_rotated_left = {-2, 1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_rotated_left_usd = {-2, 1, -3}; static struct axis_conversion lis3lv02d_axis_xy_swap_inverted = {-2, -1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_rotated_right = {2, -1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_swap_yz_inverted = {2, -1, -3}; #define AXIS_DMI_MATCH(_ident, _name, _axis) { \ .ident = _ident, \ @@ -172,10 +175,12 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = { AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted), AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted), AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left), + AXIS_DMI_MATCH("NC653x", "HP Compaq 653", xy_rotated_left_usd), + AXIS_DMI_MATCH("NC673x", "HP Compaq 673", xy_rotated_left_usd), + AXIS_DMI_MATCH("NC651xx", "HP Compaq 651", xy_rotated_right), + AXIS_DMI_MATCH("NC671xx", "HP Compaq 671", xy_swap_yz_inverted), { NULL, } /* Laptop models without axis info (yet): - * "NC651xx" "HP Compaq 651" - * "NC671xx" "HP Compaq 671" * "NC6910" "HP Compaq 6910" * HP Compaq 8710x Notebook PC / Mobile Workstation * "NC2400" "HP Compaq nc2400" diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index a329e6bd5d2..3838bc4acab 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -1823,6 +1823,10 @@ static int dv1394_open(struct inode *inode, struct file *file) #endif + printk(KERN_INFO "%s: NOTE, the dv1394 interface is unsupported " + "and will not be available in the new firewire driver stack. " + "Try libraw1394 based programs instead.\n", current->comm); + return 0; } @@ -2567,10 +2571,6 @@ static int __init dv1394_init_module(void) { int ret; - printk(KERN_WARNING - "NOTE: The dv1394 driver is unsupported and may be removed in a " - "future Linux release. Use raw1394 instead.\n"); - cdev_init(&dv1394_cdev, &dv1394_fops); dv1394_cdev.owner = THIS_MODULE; ret = cdev_add(&dv1394_cdev, IEEE1394_DV1394_DEV, 16); diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 1e3aea9eecf..09658b21847 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -25,13 +25,13 @@ static inline dev_info_t *which_dev(mddev_t *mddev, sector_t sector) { dev_info_t *hash; linear_conf_t *conf = mddev_to_conf(mddev); + sector_t idx = sector >> conf->sector_shift; /* * sector_div(a,b) returns the remainer and sets a to a/b */ - sector >>= conf->sector_shift; - (void)sector_div(sector, conf->spacing); - hash = conf->hash_table[sector]; + (void)sector_div(idx, conf->spacing); + hash = conf->hash_table[idx]; while (sector >= hash->num_sectors + hash->start_sector) hash++; diff --git a/drivers/md/md.c b/drivers/md/md.c index 41e2509bf89..4495104f6c9 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1481,6 +1481,11 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev) if (find_rdev_nr(mddev, rdev->desc_nr)) return -EBUSY; } + if (mddev->max_disks && rdev->desc_nr >= mddev->max_disks) { + printk(KERN_WARNING "md: %s: array is limited to %d devices\n", + mdname(mddev), mddev->max_disks); + return -EBUSY; + } bdevname(rdev->bdev,b); while ( (s=strchr(b, '/')) != NULL) *s = '!'; @@ -2441,6 +2446,15 @@ static void analyze_sbs(mddev_t * mddev) i = 0; rdev_for_each(rdev, tmp, mddev) { + if (rdev->desc_nr >= mddev->max_disks || + i > mddev->max_disks) { + printk(KERN_WARNING + "md: %s: %s: only %d devices permitted\n", + mdname(mddev), bdevname(rdev->bdev, b), + mddev->max_disks); + kick_rdev_from_array(rdev); + continue; + } if (rdev != freshest) if (super_types[mddev->major_version]. validate_super(mddev, rdev)) { @@ -4614,13 +4628,6 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev) * noticed in interrupt contexts ... */ - if (rdev->desc_nr == mddev->max_disks) { - printk(KERN_WARNING "%s: can not hot-add to full array!\n", - mdname(mddev)); - err = -EBUSY; - goto abort_unbind_export; - } - rdev->raid_disk = -1; md_update_sb(mddev, 1); @@ -4634,9 +4641,6 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev) md_new_event(mddev); return 0; -abort_unbind_export: - unbind_rdev_from_array(rdev); - abort_export: export_rdev(rdev); return err; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 7b4f5f7155d..01e3cffd03b 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1640,7 +1640,8 @@ static void raid1d(mddev_t *mddev) } bio = r1_bio->bios[r1_bio->read_disk]; - if ((disk=read_balance(conf, r1_bio)) == -1) { + if ((disk=read_balance(conf, r1_bio)) == -1 || + disk == r1_bio->read_disk) { printk(KERN_ALERT "raid1: %s: unrecoverable I/O" " read error for block %llu\n", bdevname(bio->bi_bdev,b), diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index 24508e28e3f..ea9488e7ad6 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -626,7 +626,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client, } if (client->irq) { - set_irq_handler(client->irq, handle_level_irq); ret = request_irq(client->irq, pcf50633_irq, IRQF_TRIGGER_LOW, "pcf50633", pcf); diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 56073199ceb..c64e6798878 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -217,6 +217,7 @@ config DELL_LAPTOP depends on EXPERIMENTAL depends on BACKLIGHT_CLASS_DEVICE depends on RFKILL + depends on POWER_SUPPLY default n ---help--- This driver adds support for rfkill and backlight control to Dell diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index bf5e4d06543..558bf3f2c27 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -35,7 +35,7 @@ struct ssc_device *ssc_request(unsigned int ssc_num) if (!ssc_valid) { spin_unlock(&user_lock); - dev_dbg(&ssc->pdev->dev, "could not find requested device\n"); + pr_err("ssc: ssc%d platform device is missing\n", ssc_num); return ERR_PTR(-ENODEV); } diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c index 10c421b73ea..f26667a7abf 100644 --- a/drivers/misc/hpilo.c +++ b/drivers/misc/hpilo.c @@ -207,7 +207,7 @@ static void ilo_ccb_close(struct pci_dev *pdev, struct ccb_data *data) &device_ccb->recv_ctrl); /* give iLO some time to process stop request */ - for (retries = 1000; retries > 0; retries--) { + for (retries = MAX_WAIT; retries > 0; retries--) { doorbell_set(driver_ccb); udelay(1); if (!(ioread32(&device_ccb->send_ctrl) & (1 << CTRL_BITPOS_A)) @@ -309,7 +309,7 @@ static int ilo_ccb_open(struct ilo_hwinfo *hw, struct ccb_data *data, int slot) doorbell_clr(driver_ccb); /* make sure iLO is really handling requests */ - for (i = 1000; i > 0; i--) { + for (i = MAX_WAIT; i > 0; i--) { if (ilo_pkt_dequeue(hw, driver_ccb, SENDQ, &pkt_id, NULL, NULL)) break; udelay(1); @@ -326,7 +326,7 @@ static int ilo_ccb_open(struct ilo_hwinfo *hw, struct ccb_data *data, int slot) return 0; free: - pci_free_consistent(pdev, data->dma_size, data->dma_va, data->dma_pa); + ilo_ccb_close(pdev, data); out: return error; } diff --git a/drivers/misc/hpilo.h b/drivers/misc/hpilo.h index a281207696c..b64a20ef07e 100644 --- a/drivers/misc/hpilo.h +++ b/drivers/misc/hpilo.h @@ -19,6 +19,8 @@ #define MAX_ILO_DEV 1 /* max number of files */ #define MAX_OPEN (MAX_CCB * MAX_ILO_DEV) +/* spin counter for open/close delay */ +#define MAX_WAIT 10000 /* * Per device, used to track global memory allocations. diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h index a5bd658c2e8..275b78896a7 100644 --- a/drivers/misc/sgi-xp/xpc.h +++ b/drivers/misc/sgi-xp/xpc.h @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2004-2009 Silicon Graphics, Inc. All Rights Reserved. */ /* @@ -514,7 +514,8 @@ struct xpc_channel_uv { /* partition's notify mq */ struct xpc_send_msg_slot_uv *send_msg_slots; - struct xpc_notify_mq_msg_uv *recv_msg_slots; + void *recv_msg_slots; /* each slot will hold a xpc_notify_mq_msg_uv */ + /* structure plus the user's payload */ struct xpc_fifo_head_uv msg_slot_free_list; struct xpc_fifo_head_uv recv_msg_list; /* deliverable payloads */ diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c index f17f7d40ea2..29c0502a96b 100644 --- a/drivers/misc/sgi-xp/xpc_uv.c +++ b/drivers/misc/sgi-xp/xpc_uv.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2008-2009 Silicon Graphics, Inc. All Rights Reserved. */ /* @@ -1010,8 +1010,8 @@ xpc_allocate_recv_msg_slot_uv(struct xpc_channel *ch) continue; for (entry = 0; entry < nentries; entry++) { - msg_slot = ch_uv->recv_msg_slots + entry * - ch->entry_size; + msg_slot = ch_uv->recv_msg_slots + + entry * ch->entry_size; msg_slot->hdr.msg_slot_number = entry; } @@ -1308,9 +1308,8 @@ xpc_handle_notify_mq_msg_uv(struct xpc_partition *part, /* we're dealing with a normal message sent via the notify_mq */ ch_uv = &ch->sn.uv; - msg_slot = (struct xpc_notify_mq_msg_uv *)((u64)ch_uv->recv_msg_slots + - (msg->hdr.msg_slot_number % ch->remote_nentries) * - ch->entry_size); + msg_slot = ch_uv->recv_msg_slots + + (msg->hdr.msg_slot_number % ch->remote_nentries) * ch->entry_size; BUG_ON(msg->hdr.msg_slot_number != msg_slot->hdr.msg_slot_number); BUG_ON(msg_slot->hdr.size != 0); diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c index 7957f525b2f..6faefcffcb5 100644 --- a/drivers/misc/sgi-xp/xpnet.c +++ b/drivers/misc/sgi-xp/xpnet.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1999-2008 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1999-2009 Silicon Graphics, Inc. All rights reserved. */ /* @@ -551,6 +551,7 @@ xpnet_init(void) netif_carrier_off(xpnet_device); + xpnet_device->netdev_ops = &xpnet_netdev_ops; xpnet_device->mtu = XPNET_DEF_MTU; /* diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 840b3d1a22f..bbbc3bb08aa 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -806,7 +806,7 @@ static int cas_reset_mii_phy(struct cas *cp) cas_phy_write(cp, MII_BMCR, BMCR_RESET); udelay(100); - while (limit--) { + while (--limit) { val = cas_phy_read(cp, MII_BMCR); if ((val & BMCR_RESET) == 0) break; @@ -979,7 +979,7 @@ static void cas_phy_init(struct cas *cp) writel(val, cp->regs + REG_PCS_MII_CTRL); limit = STOP_TRIES; - while (limit-- > 0) { + while (--limit > 0) { udelay(10); if ((readl(cp->regs + REG_PCS_MII_CTRL) & PCS_MII_RESET) == 0) diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 379a1324db4..d31791f6029 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -2276,8 +2276,7 @@ no_mem: } else if ((len = ntohl(r->len_cq)) != 0) { struct sge_fl *fl; - if (eth) - lro = qs->lro_enabled && is_eth_tcp(rss_hi); + lro &= eth && is_eth_tcp(rss_hi); fl = (len & F_RSPD_FLQ) ? &qs->fl[1] : &qs->fl[0]; if (fl->use_pages) { diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index c986978ce76..6bd63cc67b3 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -940,7 +940,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, err = pci_enable_device(pdev); } else { bars = pci_select_bars(pdev, IORESOURCE_MEM); - err = pci_enable_device(pdev); + err = pci_enable_device_mem(pdev); } if (err) return err; diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 3f7eab42aef..acae2d8cd68 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -351,6 +351,9 @@ static int gfar_probe(struct of_device *ofdev, /* Reset MAC layer */ gfar_write(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); + /* We need to delay at least 3 TX clocks */ + udelay(2); + tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW); gfar_write(&priv->regs->maccfg1, tempval); diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index b1a83344acc..eaa86897f5c 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -312,7 +312,7 @@ extern const char gfar_driver_version[]; #define ATTRELI_EI(x) (x) #define BD_LFLAG(flags) ((flags) << 16) -#define BD_LENGTH_MASK 0x00ff +#define BD_LENGTH_MASK 0x0000ffff /* TxBD status field bits */ #define TXBD_READY 0x8000 diff --git a/drivers/net/ibm_newemac/phy.c b/drivers/net/ibm_newemac/phy.c index c40cd8df221..ac9d964e59e 100644 --- a/drivers/net/ibm_newemac/phy.c +++ b/drivers/net/ibm_newemac/phy.c @@ -60,7 +60,7 @@ int emac_mii_reset_phy(struct mii_phy *phy) udelay(300); - while (limit--) { + while (--limit) { val = phy_read(phy, MII_BMCR); if (val >= 0 && (val & BMCR_RESET) == 0) break; @@ -84,7 +84,7 @@ int emac_mii_reset_gpcs(struct mii_phy *phy) udelay(300); - while (limit--) { + while (--limit) { val = gpcs_phy_read(phy, MII_BMCR); if (val >= 0 && (val & BMCR_RESET) == 0) break; diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index c38ed777f0a..a6999403f37 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -586,7 +586,7 @@ static int pcnet_config(struct pcmcia_device *link) } if ((link->conf.ConfigBase == 0x03c0) - && (link->manf_id == 0x149) && (link->card_id = 0xc1ab)) { + && (link->manf_id == 0x149) && (link->card_id == 0xc1ab)) { printk(KERN_INFO "pcnet_cs: this is an AX88190 card!\n"); printk(KERN_INFO "pcnet_cs: use axnet_cs instead.\n"); goto failed; diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index c1dadadfab1..e6fdce9206c 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -787,12 +787,12 @@ struct mbox_params { struct flash_params { u8 dev_id_str[4]; - u16 size; - u16 csum; - u16 ver; - u16 sub_dev_id; + __le16 size; + __le16 csum; + __le16 ver; + __le16 sub_dev_id; u8 mac_addr[6]; - u16 res; + __le16 res; }; diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 45421c8b601..3d1d7b6e55a 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -641,7 +641,7 @@ static void ql_enable_all_completion_interrupts(struct ql_adapter *qdev) } -static int ql_read_flash_word(struct ql_adapter *qdev, int offset, u32 *data) +static int ql_read_flash_word(struct ql_adapter *qdev, int offset, __le32 *data) { int status = 0; /* wait for reg to come ready */ @@ -656,8 +656,11 @@ static int ql_read_flash_word(struct ql_adapter *qdev, int offset, u32 *data) FLASH_ADDR, FLASH_ADDR_RDY, FLASH_ADDR_ERR); if (status) goto exit; - /* get the data */ - *data = ql_read32(qdev, FLASH_DATA); + /* This data is stored on flash as an array of + * __le32. Since ql_read32() returns cpu endian + * we need to swap it back. + */ + *data = cpu_to_le32(ql_read32(qdev, FLASH_DATA)); exit: return status; } @@ -666,13 +669,20 @@ static int ql_get_flash_params(struct ql_adapter *qdev) { int i; int status; - u32 *p = (u32 *)&qdev->flash; + __le32 *p = (__le32 *)&qdev->flash; + u32 offset = 0; + + /* Second function's parameters follow the first + * function's. + */ + if (qdev->func) + offset = sizeof(qdev->flash) / sizeof(u32); if (ql_sem_spinlock(qdev, SEM_FLASH_MASK)) return -ETIMEDOUT; for (i = 0; i < sizeof(qdev->flash) / sizeof(u32); i++, p++) { - status = ql_read_flash_word(qdev, i, p); + status = ql_read_flash_word(qdev, i+offset, p); if (status) { QPRINTK(qdev, IFUP, ERR, "Error reading flash.\n"); goto exit; @@ -3826,7 +3836,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *ndev = pci_get_drvdata(pdev); struct ql_adapter *qdev = netdev_priv(ndev); - int err; + int err, i; netif_device_detach(ndev); @@ -3836,6 +3846,9 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state) return err; } + for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++) + netif_napi_del(&qdev->rx_ring[i].napi); + err = pci_save_state(pdev); if (err) return err; diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index bf3aa2a1eff..223cde0d43b 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -220,9 +220,9 @@ static void smc911x_reset(struct net_device *dev) /* make sure EEPROM has finished loading before setting GPIO_CFG */ timeout=1000; - while ( timeout-- && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) { + while (--timeout && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) udelay(10); - } + if (timeout == 0){ PRINTK("%s: smc911x_reset timeout waiting for EEPROM busy\n", dev->name); return; diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c index d801900a503..a1e4b3895b3 100644 --- a/drivers/net/smsc9420.c +++ b/drivers/net/smsc9420.c @@ -498,7 +498,7 @@ static void smsc9420_check_mac_address(struct net_device *dev) static void smsc9420_stop_tx(struct smsc9420_pdata *pd) { u32 dmac_control, mac_cr, dma_intr_ena; - int timeOut = 1000; + int timeout = 1000; /* disable TX DMAC */ dmac_control = smsc9420_reg_read(pd, DMAC_CONTROL); @@ -506,13 +506,13 @@ static void smsc9420_stop_tx(struct smsc9420_pdata *pd) smsc9420_reg_write(pd, DMAC_CONTROL, dmac_control); /* Wait max 10ms for transmit process to stop */ - while (timeOut--) { + while (--timeout) { if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_TS_) break; udelay(10); } - if (!timeOut) + if (!timeout) smsc_warn(IFDOWN, "TX DMAC failed to stop"); /* ACK Tx DMAC stop bit */ @@ -596,7 +596,7 @@ static void smsc9420_free_rx_ring(struct smsc9420_pdata *pd) static void smsc9420_stop_rx(struct smsc9420_pdata *pd) { - int timeOut = 1000; + int timeout = 1000; u32 mac_cr, dmac_control, dma_intr_ena; /* mask RX DMAC interrupts */ @@ -617,13 +617,13 @@ static void smsc9420_stop_rx(struct smsc9420_pdata *pd) smsc9420_pci_flush_write(pd); /* wait up to 10ms for receive to stop */ - while (timeOut--) { + while (--timeout) { if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_RS_) break; udelay(10); } - if (!timeOut) + if (!timeout) smsc_warn(IFDOWN, "RX DMAC did not stop! timeout."); /* ACK the Rx DMAC stop bit */ diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 86c765d83de..b17efa9cc53 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -148,7 +148,7 @@ static u16 __phy_read(struct gem *gp, int phy_addr, int reg) cmd |= (MIF_FRAME_TAMSB); writel(cmd, gp->regs + MIF_FRAME); - while (limit--) { + while (--limit) { cmd = readl(gp->regs + MIF_FRAME); if (cmd & MIF_FRAME_TALSB) break; diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c index 61843fd5752..78f8cee5fd7 100644 --- a/drivers/net/sungem_phy.c +++ b/drivers/net/sungem_phy.c @@ -79,7 +79,7 @@ static int reset_one_mii_phy(struct mii_phy* phy, int phy_id) udelay(100); - while (limit--) { + while (--limit) { val = __phy_read(phy, phy_id, MII_BMCR); if ((val & BMCR_RESET) == 0) break; diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c index 6e8f377355f..fe0c3f24456 100644 --- a/drivers/net/sunqe.c +++ b/drivers/net/sunqe.c @@ -227,7 +227,7 @@ static int qe_init(struct sunqe *qep, int from_irq) if (!(sbus_readb(mregs + MREGS_PHYCONFIG) & MREGS_PHYCONFIG_LTESTDIS)) { int tries = 50; - while (tries--) { + while (--tries) { u8 tmp; mdelay(5); diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index 75461dbd487..a9fd2b2ccaf 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -1237,7 +1237,7 @@ static void tsi108_init_phy(struct net_device *dev) spin_lock_irqsave(&phy_lock, flags); tsi108_write_mii(data, MII_BMCR, BMCR_RESET); - while (i--){ + while (--i) { if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET)) break; udelay(10); diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index d5d53b633cf..0bf2114738b 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -392,7 +392,7 @@ static void de_rx (struct de_private *de) unsigned drop = 0; int rc; - while (rx_work--) { + while (--rx_work) { u32 status, len; dma_addr_t mapping; struct sk_buff *skb, *copy_skb; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 0d0fa91c025..fe98acaead9 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -455,6 +455,7 @@ static const struct usb_device_id hso_ids[] = { {icon321_port_device(0x0af0, 0xd033)}, /* Icon-322 */ {USB_DEVICE(0x0af0, 0x7301)}, /* GE40x */ {USB_DEVICE(0x0af0, 0x7361)}, /* GE40x */ + {USB_DEVICE(0x0af0, 0x7381)}, /* GE40x */ {USB_DEVICE(0x0af0, 0x7401)}, /* GI 0401 */ {USB_DEVICE(0x0af0, 0x7501)}, /* GTM 382 */ {USB_DEVICE(0x0af0, 0x7601)}, /* GE40x */ @@ -462,7 +463,8 @@ static const struct usb_device_id hso_ids[] = { {USB_DEVICE(0x0af0, 0x7801)}, {USB_DEVICE(0x0af0, 0x7901)}, {USB_DEVICE(0x0af0, 0x7361)}, - {icon321_port_device(0x0af0, 0xd051)}, + {USB_DEVICE(0x0af0, 0xd057)}, + {USB_DEVICE(0x0af0, 0xd055)}, {} }; MODULE_DEVICE_TABLE(usb, hso_ids); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index b35c8813bef..c01ea48da5f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -4042,6 +4042,7 @@ static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) priv->is_open = 1; } + pci_save_state(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; @@ -4052,6 +4053,7 @@ static int iwl_pci_resume(struct pci_dev *pdev) struct iwl_priv *priv = pci_get_drvdata(pdev); pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); if (priv->is_open) iwl_mac_start(priv->hw); diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 412f66bac1a..70a8b21ca39 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -480,6 +480,9 @@ void iwl_clear_stations_table(struct iwl_priv *priv) priv->num_stations = 0; memset(priv->stations, 0, sizeof(priv->stations)); + /* clean ucode key table bit map */ + priv->ucode_key_table = 0; + spin_unlock_irqrestore(&priv->sta_lock, flags); } EXPORT_SYMBOL(iwl_clear_stations_table); diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 95d01984c80..5b44d322b99 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -8143,6 +8143,7 @@ static int iwl3945_pci_suspend(struct pci_dev *pdev, pm_message_t state) priv->is_open = 1; } + pci_save_state(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; @@ -8153,6 +8154,7 @@ static int iwl3945_pci_resume(struct pci_dev *pdev) struct iwl3945_priv *priv = pci_get_drvdata(pdev); pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); if (priv->is_open) iwl3945_mac_start(priv->hw); diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 1a266d4ab5f..94363115a42 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -42,6 +42,7 @@ config ASUS_LAPTOP depends on LEDS_CLASS depends on NEW_LEDS depends on BACKLIGHT_CLASS_DEVICE + depends on INPUT ---help--- This is the new Linux driver for Asus laptops. It may also support some MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 8fb8b359104..56af6cf385b 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -46,6 +46,7 @@ #include <acpi/acpi_drivers.h> #include <acpi/acpi_bus.h> #include <asm/uaccess.h> +#include <linux/input.h> #define ASUS_LAPTOP_VERSION "0.42" @@ -181,6 +182,8 @@ struct asus_hotk { u8 light_level; //light sensor level u8 light_switch; //light sensor switch value u16 event_count[128]; //count for each event TODO make this better + struct input_dev *inputdev; + u16 *keycode_map; }; /* @@ -250,6 +253,37 @@ ASUS_LED(rled, "record"); ASUS_LED(pled, "phone"); ASUS_LED(gled, "gaming"); +struct key_entry { + char type; + u8 code; + u16 keycode; +}; + +enum { KE_KEY, KE_END }; + +static struct key_entry asus_keymap[] = { + {KE_KEY, 0x30, KEY_VOLUMEUP}, + {KE_KEY, 0x31, KEY_VOLUMEDOWN}, + {KE_KEY, 0x32, KEY_MUTE}, + {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, + {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, + {KE_KEY, 0x40, KEY_PREVIOUSSONG}, + {KE_KEY, 0x41, KEY_NEXTSONG}, + {KE_KEY, 0x43, KEY_STOP}, + {KE_KEY, 0x45, KEY_PLAYPAUSE}, + {KE_KEY, 0x50, KEY_EMAIL}, + {KE_KEY, 0x51, KEY_WWW}, + {KE_KEY, 0x5C, BTN_EXTRA}, /* Performance */ + {KE_KEY, 0x5D, KEY_WLAN}, + {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, + {KE_KEY, 0x6B, BTN_TOUCH}, /* Lock Mouse */ + {KE_KEY, 0x82, KEY_CAMERA}, + {KE_KEY, 0x8A, KEY_TV}, + {KE_KEY, 0x95, KEY_MEDIA}, + {KE_KEY, 0x99, KEY_PHONE}, + {KE_END, 0}, +}; + /* * This function evaluates an ACPI method, given an int as parameter, the * method is searched within the scope of the handle, can be NULL. The output @@ -720,8 +754,68 @@ static ssize_t store_gps(struct device *dev, struct device_attribute *attr, return store_status(buf, count, NULL, GPS_ON); } +/* + * Hotkey functions + */ +static struct key_entry *asus_get_entry_by_scancode(int code) +{ + struct key_entry *key; + + for (key = asus_keymap; key->type != KE_END; key++) + if (code == key->code) + return key; + + return NULL; +} + +static struct key_entry *asus_get_entry_by_keycode(int code) +{ + struct key_entry *key; + + for (key = asus_keymap; key->type != KE_END; key++) + if (code == key->keycode && key->type == KE_KEY) + return key; + + return NULL; +} + +static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) +{ + struct key_entry *key = asus_get_entry_by_scancode(scancode); + + if (key && key->type == KE_KEY) { + *keycode = key->keycode; + return 0; + } + + return -EINVAL; +} + +static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) +{ + struct key_entry *key; + int old_keycode; + + if (keycode < 0 || keycode > KEY_MAX) + return -EINVAL; + + key = asus_get_entry_by_scancode(scancode); + if (key && key->type == KE_KEY) { + old_keycode = key->keycode; + key->keycode = keycode; + set_bit(keycode, dev->keybit); + if (!asus_get_entry_by_keycode(old_keycode)) + clear_bit(old_keycode, dev->keybit); + return 0; + } + + return -EINVAL; +} + static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) { + static struct key_entry *key; + /* TODO Find a better way to handle events count. */ if (!hotk) return; @@ -738,10 +832,24 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) lcd_blank(FB_BLANK_POWERDOWN); } - acpi_bus_generate_proc_event(hotk->device, event, - hotk->event_count[event % 128]++); - - return; + acpi_bus_generate_netlink_event(hotk->device->pnp.device_class, + dev_name(&hotk->device->dev), event, + hotk->event_count[event % 128]++); + + if (hotk->inputdev) { + key = asus_get_entry_by_scancode(event); + if (!key) + return ; + + switch (key->type) { + case KE_KEY: + input_report_key(hotk->inputdev, key->keycode, 1); + input_sync(hotk->inputdev); + input_report_key(hotk->inputdev, key->keycode, 0); + input_sync(hotk->inputdev); + break; + } + } } #define ASUS_CREATE_DEVICE_ATTR(_name) \ @@ -959,6 +1067,38 @@ static int asus_hotk_get_info(void) return AE_OK; } +static int asus_input_init(void) +{ + const struct key_entry *key; + int result; + + hotk->inputdev = input_allocate_device(); + if (!hotk->inputdev) { + printk(ASUS_INFO "Unable to allocate input device\n"); + return 0; + } + hotk->inputdev->name = "Asus Laptop extra buttons"; + hotk->inputdev->phys = ASUS_HOTK_FILE "/input0"; + hotk->inputdev->id.bustype = BUS_HOST; + hotk->inputdev->getkeycode = asus_getkeycode; + hotk->inputdev->setkeycode = asus_setkeycode; + + for (key = asus_keymap; key->type != KE_END; key++) { + switch (key->type) { + case KE_KEY: + set_bit(EV_KEY, hotk->inputdev->evbit); + set_bit(key->keycode, hotk->inputdev->keybit); + break; + } + } + result = input_register_device(hotk->inputdev); + if (result) { + printk(ASUS_INFO "Unable to register input device\n"); + input_free_device(hotk->inputdev); + } + return result; +} + static int asus_hotk_check(void) { int result = 0; @@ -1044,7 +1184,7 @@ static int asus_hotk_add(struct acpi_device *device) /* GPS is on by default */ write_status(NULL, 1, GPS_ON); - end: +end: if (result) { kfree(hotk->name); kfree(hotk); @@ -1091,10 +1231,17 @@ static void asus_led_exit(void) ASUS_LED_UNREGISTER(gled); } +static void asus_input_exit(void) +{ + if (hotk->inputdev) + input_unregister_device(hotk->inputdev); +} + static void __exit asus_laptop_exit(void) { asus_backlight_exit(); asus_led_exit(); + asus_input_exit(); acpi_bus_unregister_driver(&asus_hotk_driver); sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); @@ -1216,6 +1363,10 @@ static int __init asus_laptop_init(void) printk(ASUS_INFO "Brightness ignored, must be controlled by " "ACPI video driver\n"); + result = asus_input_init(); + if (result) + goto fail_input; + result = asus_led_init(dev); if (result) goto fail_led; @@ -1242,22 +1393,25 @@ static int __init asus_laptop_init(void) return 0; - fail_sysfs: +fail_sysfs: platform_device_del(asuspf_device); - fail_platform_device2: +fail_platform_device2: platform_device_put(asuspf_device); - fail_platform_device1: +fail_platform_device1: platform_driver_unregister(&asuspf_driver); - fail_platform_driver: +fail_platform_driver: asus_led_exit(); - fail_led: +fail_led: + asus_input_exit(); + +fail_input: asus_backlight_exit(); - fail_backlight: +fail_backlight: return result; } diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c index 1e74988c7b2..d63f26e666a 100644 --- a/drivers/platform/x86/asus_acpi.c +++ b/drivers/platform/x86/asus_acpi.c @@ -143,6 +143,7 @@ struct asus_hotk { S1300N, S5200N*/ A4S, /* Z81sp */ F3Sa, /* (Centrino) */ + R1F, END_MODEL } model; /* Models currently supported */ u16 event_count[128]; /* Count for each event TODO make this better */ @@ -420,7 +421,18 @@ static struct model_data model_conf[END_MODEL] = { .display_get = "\\ADVG", .display_set = "SDSP", }, - + { + .name = "R1F", + .mt_bt_switch = "BLED", + .mt_mled = "MLED", + .mt_wled = "WLED", + .mt_lcd_switch = "\\Q10", + .lcd_status = "\\GP06", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\INFB" + } }; /* procdir we use */ @@ -1165,6 +1177,8 @@ static int asus_model_match(char *model) return W3V; else if (strncmp(model, "W5A", 3) == 0) return W5A; + else if (strncmp(model, "R1F", 3) == 0) + return R1F; else if (strncmp(model, "A4S", 3) == 0) return A4S; else if (strncmp(model, "F3Sa", 4) == 0) diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 9d93cb971e5..786ed8661cb 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -30,6 +30,7 @@ #include <linux/uaccess.h> #include <linux/input.h> #include <linux/rfkill.h> +#include <linux/pci.h> #define EEEPC_LAPTOP_VERSION "0.1" @@ -161,6 +162,10 @@ static struct key_entry eeepc_keymap[] = { {KE_KEY, 0x13, KEY_MUTE }, {KE_KEY, 0x14, KEY_VOLUMEDOWN }, {KE_KEY, 0x15, KEY_VOLUMEUP }, + {KE_KEY, 0x1a, KEY_COFFEE }, + {KE_KEY, 0x1b, KEY_ZOOM }, + {KE_KEY, 0x1c, KEY_PROG2 }, + {KE_KEY, 0x1d, KEY_PROG3 }, {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE }, {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE }, {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE }, @@ -510,7 +515,43 @@ static int eeepc_hotk_check(void) static void notify_brn(void) { struct backlight_device *bd = eeepc_backlight_device; - bd->props.brightness = read_brightness(bd); + if (bd) + bd->props.brightness = read_brightness(bd); +} + +static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) +{ + struct pci_dev *dev; + struct pci_bus *bus = pci_find_bus(0, 1); + + if (event != ACPI_NOTIFY_BUS_CHECK) + return; + + if (!bus) { + printk(EEEPC_WARNING "Unable to find PCI bus 1?\n"); + return; + } + + if (get_acpi(CM_ASL_WLAN) == 1) { + dev = pci_get_slot(bus, 0); + if (dev) { + /* Device already present */ + pci_dev_put(dev); + return; + } + dev = pci_scan_single_device(bus, 0); + if (dev) { + pci_bus_assign_resources(bus); + if (pci_bus_add_device(dev)) + printk(EEEPC_ERR "Unable to hotplug wifi\n"); + } + } else { + dev = pci_get_slot(bus, 0); + if (dev) { + pci_remove_bus_device(dev); + pci_dev_put(dev); + } + } } static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data) @@ -520,8 +561,9 @@ static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data) return; if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) notify_brn(); - acpi_bus_generate_proc_event(ehotk->device, event, - ehotk->event_count[event % 128]++); + acpi_bus_generate_netlink_event(ehotk->device->pnp.device_class, + dev_name(&ehotk->device->dev), event, + ehotk->event_count[event % 128]++); if (ehotk->inputdev) { key = eepc_get_entry_by_scancode(event); if (key) { @@ -539,6 +581,45 @@ static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data) } } +static int eeepc_register_rfkill_notifier(char *node) +{ + acpi_status status = AE_OK; + acpi_handle handle; + + status = acpi_get_handle(NULL, node, &handle); + + if (ACPI_SUCCESS(status)) { + status = acpi_install_notify_handler(handle, + ACPI_SYSTEM_NOTIFY, + eeepc_rfkill_notify, + NULL); + if (ACPI_FAILURE(status)) + printk(EEEPC_WARNING + "Failed to register notify on %s\n", node); + } else + return -ENODEV; + + return 0; +} + +static void eeepc_unregister_rfkill_notifier(char *node) +{ + acpi_status status = AE_OK; + acpi_handle handle; + + status = acpi_get_handle(NULL, node, &handle); + + if (ACPI_SUCCESS(status)) { + status = acpi_remove_notify_handler(handle, + ACPI_SYSTEM_NOTIFY, + eeepc_rfkill_notify); + if (ACPI_FAILURE(status)) + printk(EEEPC_ERR + "Error removing rfkill notify handler %s\n", + node); + } +} + static int eeepc_hotk_add(struct acpi_device *device) { acpi_status status = AE_OK; @@ -558,7 +639,7 @@ static int eeepc_hotk_add(struct acpi_device *device) ehotk->device = device; result = eeepc_hotk_check(); if (result) - goto end; + goto ehotk_fail; status = acpi_install_notify_handler(ehotk->handle, ACPI_SYSTEM_NOTIFY, eeepc_hotk_notify, ehotk); if (ACPI_FAILURE(status)) @@ -569,18 +650,25 @@ static int eeepc_hotk_add(struct acpi_device *device) RFKILL_TYPE_WLAN); if (!ehotk->eeepc_wlan_rfkill) - goto end; + goto wlan_fail; ehotk->eeepc_wlan_rfkill->name = "eeepc-wlan"; ehotk->eeepc_wlan_rfkill->toggle_radio = eeepc_wlan_rfkill_set; ehotk->eeepc_wlan_rfkill->get_state = eeepc_wlan_rfkill_state; - if (get_acpi(CM_ASL_WLAN) == 1) + if (get_acpi(CM_ASL_WLAN) == 1) { ehotk->eeepc_wlan_rfkill->state = RFKILL_STATE_UNBLOCKED; - else + rfkill_set_default(RFKILL_TYPE_WLAN, + RFKILL_STATE_UNBLOCKED); + } else { ehotk->eeepc_wlan_rfkill->state = RFKILL_STATE_SOFT_BLOCKED; - rfkill_register(ehotk->eeepc_wlan_rfkill); + rfkill_set_default(RFKILL_TYPE_WLAN, + RFKILL_STATE_SOFT_BLOCKED); + } + result = rfkill_register(ehotk->eeepc_wlan_rfkill); + if (result) + goto wlan_fail; } if (get_acpi(CM_ASL_BLUETOOTH) != -1) { @@ -588,27 +676,47 @@ static int eeepc_hotk_add(struct acpi_device *device) rfkill_allocate(&device->dev, RFKILL_TYPE_BLUETOOTH); if (!ehotk->eeepc_bluetooth_rfkill) - goto end; + goto bluetooth_fail; ehotk->eeepc_bluetooth_rfkill->name = "eeepc-bluetooth"; ehotk->eeepc_bluetooth_rfkill->toggle_radio = eeepc_bluetooth_rfkill_set; ehotk->eeepc_bluetooth_rfkill->get_state = eeepc_bluetooth_rfkill_state; - if (get_acpi(CM_ASL_BLUETOOTH) == 1) + if (get_acpi(CM_ASL_BLUETOOTH) == 1) { ehotk->eeepc_bluetooth_rfkill->state = RFKILL_STATE_UNBLOCKED; - else + rfkill_set_default(RFKILL_TYPE_BLUETOOTH, + RFKILL_STATE_UNBLOCKED); + } else { ehotk->eeepc_bluetooth_rfkill->state = RFKILL_STATE_SOFT_BLOCKED; - rfkill_register(ehotk->eeepc_bluetooth_rfkill); - } + rfkill_set_default(RFKILL_TYPE_BLUETOOTH, + RFKILL_STATE_SOFT_BLOCKED); + } - end: - if (result) { - kfree(ehotk); - ehotk = NULL; + result = rfkill_register(ehotk->eeepc_bluetooth_rfkill); + if (result) + goto bluetooth_fail; } + + eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6"); + eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7"); + + return 0; + + bluetooth_fail: + if (ehotk->eeepc_bluetooth_rfkill) + rfkill_free(ehotk->eeepc_bluetooth_rfkill); + rfkill_unregister(ehotk->eeepc_wlan_rfkill); + ehotk->eeepc_wlan_rfkill = NULL; + wlan_fail: + if (ehotk->eeepc_wlan_rfkill) + rfkill_free(ehotk->eeepc_wlan_rfkill); + ehotk_fail: + kfree(ehotk); + ehotk = NULL; + return result; } @@ -622,6 +730,10 @@ static int eeepc_hotk_remove(struct acpi_device *device, int type) eeepc_hotk_notify); if (ACPI_FAILURE(status)) printk(EEEPC_ERR "Error removing notify handler\n"); + + eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P6"); + eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P7"); + kfree(ehotk); return 0; } @@ -737,13 +849,21 @@ static void eeepc_backlight_exit(void) { if (eeepc_backlight_device) backlight_device_unregister(eeepc_backlight_device); - if (ehotk->inputdev) - input_unregister_device(ehotk->inputdev); + eeepc_backlight_device = NULL; +} + +static void eeepc_rfkill_exit(void) +{ if (ehotk->eeepc_wlan_rfkill) rfkill_unregister(ehotk->eeepc_wlan_rfkill); if (ehotk->eeepc_bluetooth_rfkill) rfkill_unregister(ehotk->eeepc_bluetooth_rfkill); - eeepc_backlight_device = NULL; +} + +static void eeepc_input_exit(void) +{ + if (ehotk->inputdev) + input_unregister_device(ehotk->inputdev); } static void eeepc_hwmon_exit(void) @@ -762,6 +882,8 @@ static void eeepc_hwmon_exit(void) static void __exit eeepc_laptop_exit(void) { eeepc_backlight_exit(); + eeepc_rfkill_exit(); + eeepc_input_exit(); eeepc_hwmon_exit(); acpi_bus_unregister_driver(&eeepc_hotk_driver); sysfs_remove_group(&platform_device->dev.kobj, @@ -865,6 +987,8 @@ fail_platform_driver: fail_hwmon: eeepc_backlight_exit(); fail_backlight: + eeepc_input_exit(); + eeepc_rfkill_exit(); return result; } diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index de91ddab0a8..f41135f2fb2 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -463,9 +463,11 @@ static int __init hp_wmi_bios_setup(struct platform_device *device) return 0; register_wwan_err: - rfkill_unregister(bluetooth_rfkill); + if (bluetooth_rfkill) + rfkill_unregister(bluetooth_rfkill); register_bluetooth_error: - rfkill_unregister(wifi_rfkill); + if (wifi_rfkill) + rfkill_unregister(wifi_rfkill); add_sysfs_error: cleanup_sysfs(device); return err; diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index f30db367c82..c47a44dcb70 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -507,7 +507,7 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc) hkey_num = result & 0xf; - if (hkey_num < 0 || hkey_num > ARRAY_SIZE(pcc->keymap)) { + if (hkey_num < 0 || hkey_num >= ARRAY_SIZE(pcc->keymap)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "hotkey number out of range: %d\n", hkey_num)); diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index cced4d10831..81450fbd8b1 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -241,6 +241,12 @@ config RTC_DRV_M41T80_WDT If you say Y here you will get support for the watchdog timer in the ST M41T60 and M41T80 RTC chips series. +config RTC_DRV_DM355EVM + tristate "TI DaVinci DM355 EVM RTC" + depends on MFD_DM355EVM_MSP + help + Supports the RTC firmware in the MSP430 on the DM355 EVM. + config RTC_DRV_TWL92330 boolean "TI TWL92330/Menelaus" depends on MENELAUS diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 6e28021abb9..0e697aa51ca 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_RTC_DRV_AT91SAM9) += rtc-at91sam9.o obj-$(CONFIG_RTC_DRV_AU1XXX) += rtc-au1xxx.o obj-$(CONFIG_RTC_DRV_BFIN) += rtc-bfin.o obj-$(CONFIG_RTC_DRV_CMOS) += rtc-cmos.o +obj-$(CONFIG_RTC_DRV_DM355EVM) += rtc-dm355evm.o obj-$(CONFIG_RTC_DRV_DS1216) += rtc-ds1216.o obj-$(CONFIG_RTC_DRV_DS1286) += rtc-ds1286.o obj-$(CONFIG_RTC_DRV_DS1302) += rtc-ds1302.o diff --git a/drivers/rtc/rtc-dm355evm.c b/drivers/rtc/rtc-dm355evm.c new file mode 100644 index 00000000000..58d4e18530d --- /dev/null +++ b/drivers/rtc/rtc-dm355evm.c @@ -0,0 +1,175 @@ +/* + * rtc-dm355evm.c - access battery-backed counter in MSP430 firmware + * + * Copyright (c) 2008 by David Brownell + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/rtc.h> +#include <linux/platform_device.h> + +#include <linux/i2c/dm355evm_msp.h> + + +/* + * The MSP430 firmware on the DM355 EVM uses a watch crystal to feed + * a 1 Hz counter. When a backup battery is supplied, that makes a + * reasonable RTC for applications where alarms and non-NTP drift + * compensation aren't important. + * + * The only real glitch is the inability to read or write all four + * counter bytes atomically: the count may increment in the middle + * of an operation, causing trouble when the LSB rolls over. + * + * This driver was tested with firmware revision A4. + */ +union evm_time { + u8 bytes[4]; + u32 value; +}; + +static int dm355evm_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + union evm_time time; + int status; + int tries = 0; + + do { + /* + * Read LSB(0) to MSB(3) bytes. Defend against the counter + * rolling over by re-reading until the value is stable, + * and assuming the four reads take at most a few seconds. + */ + status = dm355evm_msp_read(DM355EVM_MSP_RTC_0); + if (status < 0) + return status; + if (tries && time.bytes[0] == status) + break; + time.bytes[0] = status; + + status = dm355evm_msp_read(DM355EVM_MSP_RTC_1); + if (status < 0) + return status; + if (tries && time.bytes[1] == status) + break; + time.bytes[1] = status; + + status = dm355evm_msp_read(DM355EVM_MSP_RTC_2); + if (status < 0) + return status; + if (tries && time.bytes[2] == status) + break; + time.bytes[2] = status; + + status = dm355evm_msp_read(DM355EVM_MSP_RTC_3); + if (status < 0) + return status; + if (tries && time.bytes[3] == status) + break; + time.bytes[3] = status; + + } while (++tries < 5); + + dev_dbg(dev, "read timestamp %08x\n", time.value); + + rtc_time_to_tm(le32_to_cpu(time.value), tm); + return 0; +} + +static int dm355evm_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + union evm_time time; + unsigned long value; + int status; + + rtc_tm_to_time(tm, &value); + time.value = cpu_to_le32(value); + + dev_dbg(dev, "write timestamp %08x\n", time.value); + + /* + * REVISIT handle non-atomic writes ... maybe just retry until + * byte[1] sticks (no rollover)? + */ + status = dm355evm_msp_write(time.bytes[0], DM355EVM_MSP_RTC_0); + if (status < 0) + return status; + + status = dm355evm_msp_write(time.bytes[1], DM355EVM_MSP_RTC_1); + if (status < 0) + return status; + + status = dm355evm_msp_write(time.bytes[2], DM355EVM_MSP_RTC_2); + if (status < 0) + return status; + + status = dm355evm_msp_write(time.bytes[3], DM355EVM_MSP_RTC_3); + if (status < 0) + return status; + + return 0; +} + +static struct rtc_class_ops dm355evm_rtc_ops = { + .read_time = dm355evm_rtc_read_time, + .set_time = dm355evm_rtc_set_time, +}; + +/*----------------------------------------------------------------------*/ + +static int __devinit dm355evm_rtc_probe(struct platform_device *pdev) +{ + struct rtc_device *rtc; + + rtc = rtc_device_register(pdev->name, + &pdev->dev, &dm355evm_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + dev_err(&pdev->dev, "can't register RTC device, err %ld\n", + PTR_ERR(rtc)); + return PTR_ERR(rtc); + } + platform_set_drvdata(pdev, rtc); + + return 0; +} + +static int __devexit dm355evm_rtc_remove(struct platform_device *pdev) +{ + struct rtc_device *rtc = platform_get_drvdata(pdev); + + rtc_device_unregister(rtc); + platform_set_drvdata(pdev, NULL); + return 0; +} + +/* + * I2C is used to talk to the MSP430, but this platform device is + * exposed by an MFD driver that manages I2C communications. + */ +static struct platform_driver rtc_dm355evm_driver = { + .probe = dm355evm_rtc_probe, + .remove = __devexit_p(dm355evm_rtc_remove), + .driver = { + .owner = THIS_MODULE, + .name = "rtc-dm355evm", + }, +}; + +static int __init dm355evm_rtc_init(void) +{ + return platform_driver_register(&rtc_dm355evm_driver); +} +module_init(dm355evm_rtc_init); + +static void __exit dm355evm_rtc_exit(void) +{ + platform_driver_unregister(&rtc_dm355evm_driver); +} +module_exit(dm355evm_rtc_exit); + +MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c index e54b5c619bd..e01b955db07 100644 --- a/drivers/rtc/rtc-ds1390.c +++ b/drivers/rtc/rtc-ds1390.c @@ -122,7 +122,6 @@ static const struct rtc_class_ops ds1390_rtc_ops = { static int __devinit ds1390_probe(struct spi_device *spi) { - struct rtc_device *rtc; unsigned char tmp; struct ds1390 *chip; int res; diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index db16112cf19..fb2b0f5b23b 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -1475,7 +1475,7 @@ static int aty128fb_set_par(struct fb_info *info) aty128_set_pll(&par->pll, par); aty128_set_fifo(&par->fifo_reg, par); - config = aty_ld_le32(CONFIG_CNTL) & ~3; + config = aty_ld_le32(CNFG_CNTL) & ~3; #if defined(__BIG_ENDIAN) if (par->crtc.bpp == 32) @@ -1484,7 +1484,7 @@ static int aty128fb_set_par(struct fb_info *info) config |= 1; /* make aperture do 16 bit swapping */ #endif - aty_st_le32(CONFIG_CNTL, config); + aty_st_le32(CNFG_CNTL, config); aty_st_8(CRTC_EXT_CNTL + 1, 0); /* turn the video back on */ info->fix.line_length = (par->crtc.vxres * par->crtc.bpp) >> 3; @@ -1875,7 +1875,7 @@ static int __devinit aty128_init(struct pci_dev *pdev, const struct pci_device_i u32 dac; /* Get the chip revision */ - chip_rev = (aty_ld_le32(CONFIG_CNTL) >> 16) & 0x1F; + chip_rev = (aty_ld_le32(CNFG_CNTL) >> 16) & 0x1F; strcpy(video_card, "Rage128 XX "); video_card[8] = ent->device >> 8; @@ -2057,7 +2057,7 @@ static int __devinit aty128_probe(struct pci_dev *pdev, const struct pci_device_ /* Grab memory size from the card */ // How does this relate to the resource length from the PCI hardware? - par->vram_size = aty_ld_le32(CONFIG_MEMSIZE) & 0x03FFFFFF; + par->vram_size = aty_ld_le32(CNFG_MEMSIZE) & 0x03FFFFFF; /* Virtualize the framebuffer */ info->screen_base = ioremap(fb_addr, par->vram_size); diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index cc6b470073d..1d6e16d346a 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -135,7 +135,7 @@ #if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || \ defined (CONFIG_FB_ATY_GENERIC_LCD) || defined(CONFIG_FB_ATY_BACKLIGHT) static const u32 lt_lcd_regs[] = { - CONFIG_PANEL_LG, + CNFG_PANEL_LG, LCD_GEN_CNTL_LG, DSTN_CONTROL_LG, HFB_PITCH_ADDR_LG, @@ -446,7 +446,7 @@ static int __devinit correct_chipset(struct atyfb_par *par) par->pll_limits.ecp_max = aty_chips[i].ecp_max; par->features = aty_chips[i].features; - chip_id = aty_ld_le32(CONFIG_CHIP_ID, par); + chip_id = aty_ld_le32(CNFG_CHIP_ID, par); type = chip_id & CFG_CHIP_TYPE; rev = (chip_id & CFG_CHIP_REV) >> 24; @@ -629,7 +629,7 @@ static void aty_get_crtc(const struct atyfb_par *par, struct crtc *crtc) crtc->lcd_index = aty_ld_le32(LCD_INDEX, par); aty_st_le32(LCD_INDEX, crtc->lcd_index, par); } - crtc->lcd_config_panel = aty_ld_lcd(CONFIG_PANEL, par); + crtc->lcd_config_panel = aty_ld_lcd(CNFG_PANEL, par); crtc->lcd_gen_cntl = aty_ld_lcd(LCD_GEN_CNTL, par); @@ -676,7 +676,7 @@ static void aty_set_crtc(const struct atyfb_par *par, const struct crtc *crtc) aty_st_le32(CRTC_GEN_CNTL, crtc->gen_cntl & ~(CRTC_EXT_DISP_EN | CRTC_EN), par); /* update non-shadow registers first */ - aty_st_lcd(CONFIG_PANEL, crtc->lcd_config_panel, par); + aty_st_lcd(CNFG_PANEL, crtc->lcd_config_panel, par); aty_st_lcd(LCD_GEN_CNTL, crtc->lcd_gen_cntl & ~(CRTC_RW_SELECT | SHADOW_EN | SHADOW_RW_EN), par); @@ -858,7 +858,7 @@ static int aty_var_to_crtc(const struct fb_info *info, if (!M64_HAS(MOBIL_BUS)) crtc->lcd_index |= CRTC2_DISPLAY_DIS; - crtc->lcd_config_panel = aty_ld_lcd(CONFIG_PANEL, par) | 0x4000; + crtc->lcd_config_panel = aty_ld_lcd(CNFG_PANEL, par) | 0x4000; crtc->lcd_gen_cntl = aty_ld_lcd(LCD_GEN_CNTL, par) & ~CRTC_RW_SELECT; crtc->lcd_gen_cntl &= @@ -2254,7 +2254,7 @@ static int __devinit aty_init(struct fb_info *info) if (!M64_HAS(INTEGRATED)) { u32 stat0; u8 dac_type, dac_subtype, clk_type; - stat0 = aty_ld_le32(CONFIG_STAT0, par); + stat0 = aty_ld_le32(CNFG_STAT0, par); par->bus_type = (stat0 >> 0) & 0x07; par->ram_type = (stat0 >> 3) & 0x07; ramname = aty_gx_ram[par->ram_type]; @@ -2324,7 +2324,7 @@ static int __devinit aty_init(struct fb_info *info) par->dac_ops = &aty_dac_ct; par->pll_ops = &aty_pll_ct; par->bus_type = PCI; - par->ram_type = (aty_ld_le32(CONFIG_STAT0, par) & 0x07); + par->ram_type = (aty_ld_le32(CNFG_STAT0, par) & 0x07); ramname = aty_ct_ram[par->ram_type]; /* for many chips, the mclk is 67 MHz for SDRAM, 63 MHz otherwise */ if (par->pll_limits.mclk == 67 && par->ram_type < SDRAM) @@ -2433,7 +2433,7 @@ static int __devinit aty_init(struct fb_info *info) } if (M64_HAS(MAGIC_VRAM_SIZE)) { - if (aty_ld_le32(CONFIG_STAT1, par) & 0x40000000) + if (aty_ld_le32(CNFG_STAT1, par) & 0x40000000) info->fix.smem_len += 0x400000; } @@ -2946,7 +2946,7 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev, * Fix PROMs idea of MEM_CNTL settings... */ mem = aty_ld_le32(MEM_CNTL, par); - chip_id = aty_ld_le32(CONFIG_CHIP_ID, par); + chip_id = aty_ld_le32(CNFG_CHIP_ID, par); if (((chip_id & CFG_CHIP_TYPE) == VT_CHIP_ID) && !((chip_id >> 24) & 1)) { switch (mem & 0x0f) { case 3: @@ -2964,7 +2964,7 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev, default: break; } - if ((aty_ld_le32(CONFIG_STAT0, par) & 7) >= SDRAM) + if ((aty_ld_le32(CNFG_STAT0, par) & 7) >= SDRAM) mem &= ~(0x00700000); } mem &= ~(0xcf80e000); /* Turn off all undocumented bits. */ @@ -3572,7 +3572,7 @@ static int __init atyfb_atari_probe(void) } /* Fake pci_id for correct_chipset() */ - switch (aty_ld_le32(CONFIG_CHIP_ID, par) & CFG_CHIP_TYPE) { + switch (aty_ld_le32(CNFG_CHIP_ID, par) & CFG_CHIP_TYPE) { case 0x00d7: par->pci_id = PCI_CHIP_MACH64GX; break; diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index d0f1a7fc2c9..16bb7e3c031 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -1936,8 +1936,8 @@ static void fixup_memory_mappings(struct radeonfb_info *rinfo) OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl | CRTC_DISP_REQ_EN_B); mdelay(100); - aper_base = INREG(CONFIG_APER_0_BASE); - aper_size = INREG(CONFIG_APER_SIZE); + aper_base = INREG(CNFG_APER_0_BASE); + aper_size = INREG(CNFG_APER_SIZE); #ifdef SET_MC_FB_FROM_APERTURE /* Set framebuffer to be at the same address as set in PCI BAR */ @@ -2024,11 +2024,11 @@ static void radeon_identify_vram(struct radeonfb_info *rinfo) ~CRTC_H_CUTOFF_ACTIVE_EN); } } else { - tmp = INREG(CONFIG_MEMSIZE); + tmp = INREG(CNFG_MEMSIZE); } /* mem size is bits [28:0], mask off the rest */ - rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK; + rinfo->video_ram = tmp & CNFG_MEMSIZE_MASK; /* * Hack to get around some busted production M6's @@ -2228,7 +2228,7 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev, */ rinfo->errata = 0; if (rinfo->family == CHIP_FAMILY_R300 && - (INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) + (INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) == CFG_ATI_REV_A11) rinfo->errata |= CHIP_ERRATA_R300_CG; diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index 675abdafc2d..c4ac2a032fc 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -333,7 +333,7 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) if (!rinfo->has_CRTC2) { tmp = INPLL(pllSCLK_CNTL); - if ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) > CFG_ATI_REV_A13) + if ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) > CFG_ATI_REV_A13) tmp &= ~(SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_RB); tmp &= ~(SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_SE | @@ -468,9 +468,9 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) /*RAGE_6::A11 A12 A12N1 A13, RV250::A11 A12, R300*/ if ((rinfo->family == CHIP_FAMILY_RV250 && - ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) || + ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) || ((rinfo->family == CHIP_FAMILY_RV100) && - ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) <= CFG_ATI_REV_A13))) { + ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) <= CFG_ATI_REV_A13))) { tmp |= SCLK_CNTL__FORCE_CP; tmp |= SCLK_CNTL__FORCE_VIP; } @@ -486,7 +486,7 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) /* RV200::A11 A12 RV250::A11 A12 */ if (((rinfo->family == CHIP_FAMILY_RV200) || (rinfo->family == CHIP_FAMILY_RV250)) && - ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) + ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) tmp |= SCLK_MORE_CNTL__FORCEON; OUTPLL(pllSCLK_MORE_CNTL, tmp); @@ -497,7 +497,7 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) /* RV200::A11 A12, RV250::A11 A12 */ if (((rinfo->family == CHIP_FAMILY_RV200) || (rinfo->family == CHIP_FAMILY_RV250)) && - ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) { + ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) { tmp = INPLL(pllPLL_PWRMGT_CNTL); tmp |= PLL_PWRMGT_CNTL__TCL_BYPASS_DISABLE; OUTPLL(pllPLL_PWRMGT_CNTL, tmp); @@ -702,7 +702,7 @@ static void radeon_pm_restore_regs(struct radeonfb_info *rinfo) OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); - OUTREG(CONFIG_MEMSIZE, rinfo->video_ram); + OUTREG(CNFG_MEMSIZE, rinfo->video_ram); OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); OUTREG(DISP_PWR_MAN, rinfo->save_regs[10]); @@ -1723,7 +1723,7 @@ static void radeon_reinitialize_M10(struct radeonfb_info *rinfo) OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]); - OUTREG(CONFIG_MEMSIZE, rinfo->video_ram); + OUTREG(CNFG_MEMSIZE, rinfo->video_ram); OUTREG(BUS_CNTL, rinfo->save_regs[36]); OUTREG(BUS_CNTL1, rinfo->save_regs[14]); OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]); @@ -1961,7 +1961,7 @@ static void radeon_pm_m9p_reconfigure_mc(struct radeonfb_info *rinfo) OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, rinfo->save_regs[68] /*0x141555ff*/); OUTMC(rinfo, ixMC_IMP_CNTL_0, rinfo->save_regs[71] /*0x00009249*/); OUTREG(MC_IND_INDEX, 0); - OUTREG(CONFIG_MEMSIZE, rinfo->video_ram); + OUTREG(CNFG_MEMSIZE, rinfo->video_ram); mdelay(20); } @@ -2361,7 +2361,7 @@ static void radeon_reinitialize_QW(struct radeonfb_info *rinfo) OUTMC(rinfo, ixMC_IMP_CNTL_0, 0x00009249); OUTREG(MC_IND_INDEX, 0); - OUTREG(CONFIG_MEMSIZE, rinfo->video_ram); + OUTREG(CNFG_MEMSIZE, rinfo->video_ram); radeon_pm_full_reset_sdram(rinfo); diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 363b3cb2f01..63d75949816 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -18,7 +18,7 @@ obj-$(CONFIG_BACKLIGHT_OMAP1) += omap1_bl.o obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o obj-$(CONFIG_BACKLIGHT_PWM) += pwm_bl.o -obj-$(CONFIG_BACKLIGHT_DA903X) += da903x.o +obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o obj-$(CONFIG_BACKLIGHT_MBP_NVIDIA) += mbp_nvidia_bl.o obj-$(CONFIG_BACKLIGHT_TOSA) += tosa_bl.o obj-$(CONFIG_BACKLIGHT_SAHARA) += kb3886_bl.o diff --git a/drivers/video/backlight/da903x.c b/drivers/video/backlight/da903x_bl.c index 93bb4340cc6..93bb4340cc6 100644 --- a/drivers/video/backlight/da903x.c +++ b/drivers/video/backlight/da903x_bl.c diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c index 91b78e69150..f53b9f1d6ab 100644 --- a/drivers/video/fbcmap.c +++ b/drivers/video/fbcmap.c @@ -250,10 +250,6 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info) int rc, size = cmap->len * sizeof(u16); struct fb_cmap umap; - if (cmap->start < 0 || (!info->fbops->fb_setcolreg && - !info->fbops->fb_setcmap)) - return -EINVAL; - memset(&umap, 0, sizeof(struct fb_cmap)); rc = fb_alloc_cmap(&umap, cmap->len, cmap->transp != NULL); if (rc) @@ -262,11 +258,23 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info) copy_from_user(umap.green, cmap->green, size) || copy_from_user(umap.blue, cmap->blue, size) || (cmap->transp && copy_from_user(umap.transp, cmap->transp, size))) { - fb_dealloc_cmap(&umap); - return -EFAULT; + rc = -EFAULT; + goto out; } umap.start = cmap->start; + if (!lock_fb_info(info)) { + rc = -ENODEV; + goto out; + } + if (cmap->start < 0 || (!info->fbops->fb_setcolreg && + !info->fbops->fb_setcmap)) { + rc = -EINVAL; + goto out1; + } rc = fb_set_cmap(&umap, info); +out1: + unlock_fb_info(info); +out: fb_dealloc_cmap(&umap); return rc; } diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 756efeb91ab..cfd9dce1ce0 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1013,132 +1013,139 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd, struct fb_var_screeninfo var; struct fb_fix_screeninfo fix; struct fb_con2fbmap con2fb; + struct fb_cmap cmap_from; struct fb_cmap_user cmap; struct fb_event event; void __user *argp = (void __user *)arg; long ret = 0; - fb = info->fbops; - if (!fb) - return -ENODEV; - switch (cmd) { case FBIOGET_VSCREENINFO: - ret = copy_to_user(argp, &info->var, - sizeof(var)) ? -EFAULT : 0; + if (!lock_fb_info(info)) + return -ENODEV; + var = info->var; + unlock_fb_info(info); + + ret = copy_to_user(argp, &var, sizeof(var)) ? -EFAULT : 0; break; case FBIOPUT_VSCREENINFO: - if (copy_from_user(&var, argp, sizeof(var))) { - ret = -EFAULT; - break; - } + if (copy_from_user(&var, argp, sizeof(var))) + return -EFAULT; + if (!lock_fb_info(info)) + return -ENODEV; acquire_console_sem(); info->flags |= FBINFO_MISC_USEREVENT; ret = fb_set_var(info, &var); info->flags &= ~FBINFO_MISC_USEREVENT; release_console_sem(); - if (ret == 0 && copy_to_user(argp, &var, sizeof(var))) + unlock_fb_info(info); + if (!ret && copy_to_user(argp, &var, sizeof(var))) ret = -EFAULT; break; case FBIOGET_FSCREENINFO: - ret = copy_to_user(argp, &info->fix, - sizeof(fix)) ? -EFAULT : 0; + if (!lock_fb_info(info)) + return -ENODEV; + fix = info->fix; + unlock_fb_info(info); + + ret = copy_to_user(argp, &fix, sizeof(fix)) ? -EFAULT : 0; break; case FBIOPUTCMAP: if (copy_from_user(&cmap, argp, sizeof(cmap))) - ret = -EFAULT; - else - ret = fb_set_user_cmap(&cmap, info); + return -EFAULT; + ret = fb_set_user_cmap(&cmap, info); break; case FBIOGETCMAP: if (copy_from_user(&cmap, argp, sizeof(cmap))) - ret = -EFAULT; - else - ret = fb_cmap_to_user(&info->cmap, &cmap); + return -EFAULT; + if (!lock_fb_info(info)) + return -ENODEV; + cmap_from = info->cmap; + unlock_fb_info(info); + ret = fb_cmap_to_user(&cmap_from, &cmap); break; case FBIOPAN_DISPLAY: - if (copy_from_user(&var, argp, sizeof(var))) { - ret = -EFAULT; - break; - } + if (copy_from_user(&var, argp, sizeof(var))) + return -EFAULT; + if (!lock_fb_info(info)) + return -ENODEV; acquire_console_sem(); ret = fb_pan_display(info, &var); release_console_sem(); + unlock_fb_info(info); if (ret == 0 && copy_to_user(argp, &var, sizeof(var))) - ret = -EFAULT; + return -EFAULT; break; case FBIO_CURSOR: ret = -EINVAL; break; case FBIOGET_CON2FBMAP: if (copy_from_user(&con2fb, argp, sizeof(con2fb))) - ret = -EFAULT; - else if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) - ret = -EINVAL; - else { - con2fb.framebuffer = -1; - event.info = info; - event.data = &con2fb; - fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, - &event); - ret = copy_to_user(argp, &con2fb, - sizeof(con2fb)) ? -EFAULT : 0; - } + return -EFAULT; + if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) + return -EINVAL; + con2fb.framebuffer = -1; + event.data = &con2fb; + + if (!lock_fb_info(info)) + return -ENODEV; + event.info = info; + fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event); + unlock_fb_info(info); + + ret = copy_to_user(argp, &con2fb, sizeof(con2fb)) ? -EFAULT : 0; break; case FBIOPUT_CON2FBMAP: - if (copy_from_user(&con2fb, argp, sizeof(con2fb))) { - ret = -EFAULT; - break; - } - if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) { - ret = -EINVAL; - break; - } - if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) { - ret = -EINVAL; - break; - } + if (copy_from_user(&con2fb, argp, sizeof(con2fb))) + return -EFAULT; + if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) + return -EINVAL; + if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) + return -EINVAL; if (!registered_fb[con2fb.framebuffer]) request_module("fb%d", con2fb.framebuffer); if (!registered_fb[con2fb.framebuffer]) { ret = -EINVAL; break; } - event.info = info; event.data = &con2fb; + if (!lock_fb_info(info)) + return -ENODEV; + event.info = info; ret = fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP, &event); + unlock_fb_info(info); break; case FBIOBLANK: + if (!lock_fb_info(info)) + return -ENODEV; acquire_console_sem(); info->flags |= FBINFO_MISC_USEREVENT; ret = fb_blank(info, arg); info->flags &= ~FBINFO_MISC_USEREVENT; release_console_sem(); - break;; + unlock_fb_info(info); + break; default: - if (fb->fb_ioctl == NULL) - ret = -ENOTTY; - else + if (!lock_fb_info(info)) + return -ENODEV; + fb = info->fbops; + if (fb->fb_ioctl) ret = fb->fb_ioctl(info, cmd, arg); + else + ret = -ENOTTY; + unlock_fb_info(info); } return ret; } static long fb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -__acquires(&info->lock) -__releases(&info->lock) { struct inode *inode = file->f_path.dentry->d_inode; int fbidx = iminor(inode); - struct fb_info *info; - long ret; + struct fb_info *info = registered_fb[fbidx]; - info = registered_fb[fbidx]; - mutex_lock(&info->lock); - ret = do_fb_ioctl(info, cmd, arg); - mutex_unlock(&info->lock); - return ret; + return do_fb_ioctl(info, cmd, arg); } #ifdef CONFIG_COMPAT @@ -1257,8 +1264,6 @@ static int fb_get_fscreeninfo(struct fb_info *info, unsigned int cmd, static long fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -__acquires(&info->lock) -__releases(&info->lock) { struct inode *inode = file->f_path.dentry->d_inode; int fbidx = iminor(inode); @@ -1266,7 +1271,6 @@ __releases(&info->lock) struct fb_ops *fb = info->fbops; long ret = -ENOIOCTLCMD; - mutex_lock(&info->lock); switch(cmd) { case FBIOGET_VSCREENINFO: case FBIOPUT_VSCREENINFO: @@ -1292,7 +1296,6 @@ __releases(&info->lock) ret = fb->fb_compat_ioctl(info, cmd, arg); break; } - mutex_unlock(&info->lock); return ret; } #endif |