diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/armksyms.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/ecard.c | 35 | ||||
-rw-r--r-- | arch/arm/kernel/stacktrace.c | 12 | ||||
-rw-r--r-- | arch/arm/kernel/time.c | 2 |
4 files changed, 39 insertions, 11 deletions
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index 4779f474f91..9179e822031 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -76,6 +76,7 @@ EXPORT_SYMBOL(__const_udelay); /* networking */ EXPORT_SYMBOL(csum_partial); +EXPORT_SYMBOL(csum_partial_copy_from_user); EXPORT_SYMBOL(csum_partial_copy_nocheck); EXPORT_SYMBOL(__csum_ipv6_magic); diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index bdbd7da9928..f56d48c451e 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -41,11 +41,11 @@ #include <linux/init.h> #include <linux/mutex.h> #include <linux/kthread.h> +#include <linux/io.h> #include <asm/dma.h> #include <asm/ecard.h> #include <asm/hardware.h> -#include <asm/io.h> #include <asm/irq.h> #include <asm/mmu_context.h> #include <asm/mach/irq.h> @@ -958,6 +958,31 @@ void ecard_release_resources(struct expansion_card *ec) } EXPORT_SYMBOL(ecard_release_resources); +void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *ops, void *irq_data) +{ + ec->irq_data = irq_data; + barrier(); + ec->ops = ops; +} +EXPORT_SYMBOL(ecard_setirq); + +void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res, + unsigned long offset, unsigned long maxsize) +{ + unsigned long start = ecard_resource_start(ec, res); + unsigned long end = ecard_resource_end(ec, res); + + if (offset > (end - start)) + return NULL; + + start += offset; + if (maxsize && end - start > maxsize) + end = start + maxsize; + + return devm_ioremap(&ec->dev, start, end - start); +} +EXPORT_SYMBOL(ecardm_iomap); + /* * Probe for an expansion card. * @@ -1133,6 +1158,14 @@ static int ecard_drv_remove(struct device *dev) drv->remove(ec); ecard_release(ec); + /* + * Restore the default operations. We ensure that the + * ops are set before we change the data. + */ + ec->ops = &ecard_default_ops; + barrier(); + ec->irq_data = NULL; + return 0; } diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 77ef35efaa8..398d0c0511e 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -52,21 +52,15 @@ static int save_trace(struct stackframe *frame, void *d) return trace->nr_entries >= trace->max_entries; } -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { struct stack_trace_data data; unsigned long fp, base; data.trace = trace; data.skip = trace->skip; - - if (task) { - base = (unsigned long)task_stack_page(task); - fp = 0; /* FIXME */ - } else { - base = (unsigned long)task_stack_page(current); - asm("mov %0, fp" : "=r" (fp)); - } + base = (unsigned long)task_stack_page(current); + asm("mov %0, fp" : "=r" (fp)); walk_stackframe(fp, base, base + THREAD_SIZE, save_trace, &data); } diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index d0540e4eaf5..1533d3ecd7a 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -512,7 +512,7 @@ void __init time_init(void) #ifdef CONFIG_NO_IDLE_HZ if (system_timer->dyn_tick) - system_timer->dyn_tick->lock = SPIN_LOCK_UNLOCKED; + spin_lock_init(&system_timer->dyn_tick->lock); #endif } |