aboutsummaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/mach-omap1/board-sx1.c2
-rw-r--r--arch/arm/mach-orion/ts209-setup.c15
-rw-r--r--arch/arm/mach-pxa/clock.c23
-rw-r--r--arch/arm/mach-pxa/cpu-pxa.c10
-rw-r--r--arch/arm/mach-pxa/pxa3xx.c8
-rw-r--r--arch/arm/mach-pxa/zylonite.c2
-rw-r--r--arch/arm/mm/mmap.c2
8 files changed, 46 insertions, 19 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9619c43783f..16b82e1272b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -939,7 +939,8 @@ config KEXEC
config ATAGS_PROC
bool "Export atags in procfs"
- default n
+ depends on KEXEC
+ default y
help
Should the atags used to boot the kernel be exported in an "atags"
file in procfs. Useful with kexec.
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index 1c7f09aedf0..e473fa6d4a5 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -61,6 +61,7 @@ int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
data[0] = regoffset; /* register num */
data[1] = value; /* register data */
err = i2c_transfer(adap, msg, 1);
+ i2c_put_adapter(adap);
if (err >= 0)
return 0;
return err;
@@ -91,6 +92,7 @@ int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
msg->buf = data;
err = i2c_transfer(adap, msg, 1);
*value = data[0];
+ i2c_put_adapter(adap);
if (err >= 0)
return 0;
diff --git a/arch/arm/mach-orion/ts209-setup.c b/arch/arm/mach-orion/ts209-setup.c
index 306dbcd1e37..b8cfe6813e9 100644
--- a/arch/arm/mach-orion/ts209-setup.c
+++ b/arch/arm/mach-orion/ts209-setup.c
@@ -192,9 +192,13 @@ static struct mv643xx_eth_platform_data qnap_ts209_eth_data = {
/*****************************************************************************
* RTC S35390A on I2C bus
****************************************************************************/
+
+#define TS209_RTC_GPIO 3
+
static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
.driver_name = "rtc-s35390a",
.addr = 0x30,
+ .irq = 0,
};
/****************************************************************************
@@ -328,7 +332,18 @@ static void __init qnap_ts209_init(void)
platform_add_devices(qnap_ts209_devices,
ARRAY_SIZE(qnap_ts209_devices));
+
+ /* Get RTC IRQ and register the chip */
+ if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
+ if (gpio_direction_input(TS209_RTC_GPIO) == 0)
+ qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
+ else
+ gpio_free(TS209_RTC_GPIO);
+ }
+ if (qnap_ts209_i2c_rtc.irq == 0)
+ pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
+
orion_eth_init(&qnap_ts209_eth_data);
orion_sata_init(&qnap_ts209_sata_data);
}
diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c
index 83ef5ecaf43..df5ae2710ab 100644
--- a/arch/arm/mach-pxa/clock.c
+++ b/arch/arm/mach-pxa/clock.c
@@ -23,18 +23,27 @@ static LIST_HEAD(clocks);
static DEFINE_MUTEX(clocks_mutex);
static DEFINE_SPINLOCK(clocks_lock);
+static struct clk *clk_lookup(struct device *dev, const char *id)
+{
+ struct clk *p;
+
+ list_for_each_entry(p, &clocks, node)
+ if (strcmp(id, p->name) == 0 && p->dev == dev)
+ return p;
+
+ return NULL;
+}
+
struct clk *clk_get(struct device *dev, const char *id)
{
struct clk *p, *clk = ERR_PTR(-ENOENT);
mutex_lock(&clocks_mutex);
- list_for_each_entry(p, &clocks, node) {
- if (strcmp(id, p->name) == 0 &&
- (p->dev == NULL || p->dev == dev)) {
- clk = p;
- break;
- }
- }
+ p = clk_lookup(dev, id);
+ if (!p)
+ p = clk_lookup(NULL, id);
+ if (p)
+ clk = p;
mutex_unlock(&clocks_mutex);
return clk;
diff --git a/arch/arm/mach-pxa/cpu-pxa.c b/arch/arm/mach-pxa/cpu-pxa.c
index cbc583beedc..4b21479332a 100644
--- a/arch/arm/mach-pxa/cpu-pxa.c
+++ b/arch/arm/mach-pxa/cpu-pxa.c
@@ -43,7 +43,7 @@
#ifdef DEBUG
static unsigned int freq_debug;
-MODULE_PARM(freq_debug, "i");
+module_param(freq_debug, uint, 0);
MODULE_PARM_DESC(freq_debug, "Set the debug messages to on=1/off=0");
#else
#define freq_debug 0
@@ -134,7 +134,7 @@ static int pxa_set_target(struct cpufreq_policy *policy,
struct cpufreq_frequency_table *pxa_freqs_table;
pxa_freqs_t *pxa_freq_settings;
struct cpufreq_freqs freqs;
- int idx;
+ unsigned int idx;
unsigned long flags;
unsigned int unused, preset_mdrefr, postset_mdrefr;
void *ramstart = phys_to_virt(0xa0000000);
@@ -233,6 +233,11 @@ static int pxa_set_target(struct cpufreq_policy *policy,
return 0;
}
+static unsigned int pxa_cpufreq_get(unsigned int cpu)
+{
+ return get_clk_frequency_khz(0);
+}
+
static int pxa_cpufreq_init(struct cpufreq_policy *policy)
{
int i;
@@ -269,6 +274,7 @@ static struct cpufreq_driver pxa_cpufreq_driver = {
.verify = pxa_verify_policy,
.target = pxa_set_target,
.init = pxa_cpufreq_init,
+ .get = pxa_cpufreq_get,
.name = "PXA25x",
};
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index 7cd9ef8deb0..35f25fdaeba 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -129,28 +129,20 @@ static void clk_pxa3xx_cken_enable(struct clk *clk)
{
unsigned long mask = 1ul << (clk->cken & 0x1f);
- local_irq_disable();
-
if (clk->cken < 32)
CKENA |= mask;
else
CKENB |= mask;
-
- local_irq_enable();
}
static void clk_pxa3xx_cken_disable(struct clk *clk)
{
unsigned long mask = 1ul << (clk->cken & 0x1f);
- local_irq_disable();
-
if (clk->cken < 32)
CKENA &= ~mask;
else
CKENB &= ~mask;
-
- local_irq_enable();
}
static const struct clkops clk_pxa3xx_cken_ops = {
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 7731d50dd86..afd2cbfca0d 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -58,7 +58,7 @@ static struct platform_device smc91x_device = {
.resource = smc91x_resources,
};
-#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES)
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static void zylonite_backlight_power(int on)
{
gpio_set_value(gpio_backlight, on);
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index 2728b0e7d2b..3f6dc40b835 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -120,6 +120,8 @@ full_search:
*/
int valid_phys_addr_range(unsigned long addr, size_t size)
{
+ if (addr < PHYS_OFFSET)
+ return 0;
if (addr + size > __pa(high_memory))
return 0;