summaryrefslogtreecommitdiffstats
path: root/arch/avr32
diff options
context:
space:
mode:
Diffstat (limited to 'arch/avr32')
-rw-r--r--arch/avr32/include/asm/atomic.h60
-rw-r--r--arch/avr32/include/asm/delay.h27
-rw-r--r--arch/avr32/include/asm/ptrace.h2
-rw-r--r--arch/avr32/kernel/module.c20
-rw-r--r--arch/avr32/kernel/setup.c10
-rw-r--r--arch/avr32/mach-at32ap/extint.c2
-rw-r--r--arch/avr32/mach-at32ap/hsmc.c2
-rw-r--r--arch/avr32/mach-at32ap/intc.c2
-rw-r--r--arch/avr32/mach-at32ap/pio.c2
9 files changed, 35 insertions, 92 deletions
diff --git a/arch/avr32/include/asm/atomic.h b/arch/avr32/include/asm/atomic.h
index bbce6a1c..e0ac263 100644
--- a/arch/avr32/include/asm/atomic.h
+++ b/arch/avr32/include/asm/atomic.h
@@ -78,70 +78,63 @@ static inline int atomic_add_return(int i, atomic_t *v)
/*
* atomic_sub_unless - sub unless the number is a given value
* @v: pointer of type atomic_t
- * @a: the amount to add to v...
+ * @a: the amount to subtract from v...
* @u: ...unless v is equal to u.
*
- * If the atomic value v is not equal to u, this function subtracts a
- * from v, and returns non zero. If v is equal to u then it returns
- * zero. This is done as an atomic operation.
+ * Atomically subtract @a from @v, so long as it was not @u.
+ * Returns the old value of @v.
*/
-static inline int atomic_sub_unless(atomic_t *v, int a, int u)
+static inline void atomic_sub_unless(atomic_t *v, int a, int u)
{
- int tmp, result = 0;
+ int tmp;
asm volatile(
"/* atomic_sub_unless */\n"
"1: ssrf 5\n"
- " ld.w %0, %3\n"
- " cp.w %0, %5\n"
+ " ld.w %0, %2\n"
+ " cp.w %0, %4\n"
" breq 1f\n"
- " sub %0, %4\n"
- " stcond %2, %0\n"
+ " sub %0, %3\n"
+ " stcond %1, %0\n"
" brne 1b\n"
- " mov %1, 1\n"
"1:"
- : "=&r"(tmp), "=&r"(result), "=o"(v->counter)
- : "m"(v->counter), "rKs21"(a), "rKs21"(u), "1"(result)
+ : "=&r"(tmp), "=o"(v->counter)
+ : "m"(v->counter), "rKs21"(a), "rKs21"(u)
: "cc", "memory");
-
- return result;
}
/*
- * atomic_add_unless - add unless the number is a given value
+ * __atomic_add_unless - add unless the number is a given value
* @v: pointer of type atomic_t
* @a: the amount to add to v...
* @u: ...unless v is equal to u.
*
- * If the atomic value v is not equal to u, this function adds a to v,
- * and returns non zero. If v is equal to u then it returns zero. This
- * is done as an atomic operation.
+ * Atomically adds @a to @v, so long as it was not @u.
+ * Returns the old value of @v.
*/
-static inline int atomic_add_unless(atomic_t *v, int a, int u)
+static inline int __atomic_add_unless(atomic_t *v, int a, int u)
{
- int tmp, result;
+ int tmp, old = atomic_read(v);
if (__builtin_constant_p(a) && (a >= -1048575) && (a <= 1048576))
- result = atomic_sub_unless(v, -a, u);
+ atomic_sub_unless(v, -a, u);
else {
- result = 0;
asm volatile(
- "/* atomic_add_unless */\n"
+ "/* __atomic_add_unless */\n"
"1: ssrf 5\n"
- " ld.w %0, %3\n"
- " cp.w %0, %5\n"
+ " ld.w %0, %2\n"
+ " cp.w %0, %4\n"
" breq 1f\n"
- " add %0, %4\n"
- " stcond %2, %0\n"
+ " add %0, %3\n"
+ " stcond %1, %0\n"
" brne 1b\n"
- " mov %1, 1\n"
"1:"
- : "=&r"(tmp), "=&r"(result), "=o"(v->counter)
- : "m"(v->counter), "r"(a), "ir"(u), "1"(result)
+ : "=&r"(tmp), "=o"(v->counter)
+ : "m"(v->counter), "r"(a), "ir"(u)
: "cc", "memory");
}
- return result;
+ return old;
}
/*
@@ -188,7 +181,6 @@ static inline int atomic_sub_if_positive(int i, atomic_t *v)
#define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0)
#define atomic_add_negative(i, v) (atomic_add_return(i, v) < 0)
-#define atomic_inc_not_zero(v) atomic_add_unless(v, 1, 0)
#define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v)
#define smp_mb__before_atomic_dec() barrier()
@@ -196,6 +188,4 @@ static inline int atomic_sub_if_positive(int i, atomic_t *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
-#include <asm-generic/atomic-long.h>
-
#endif /* __ASM_AVR32_ATOMIC_H */
diff --git a/arch/avr32/include/asm/delay.h b/arch/avr32/include/asm/delay.h
index a0ed9a9..9670e12 100644
--- a/arch/avr32/include/asm/delay.h
+++ b/arch/avr32/include/asm/delay.h
@@ -1,26 +1 @@
-#ifndef __ASM_AVR32_DELAY_H
-#define __ASM_AVR32_DELAY_H
-
-/*
- * Copyright (C) 1993 Linus Torvalds
- *
- * Delay routines calling functions in arch/avr32/lib/delay.c
- */
-
-extern void __bad_udelay(void);
-extern void __bad_ndelay(void);
-
-extern void __udelay(unsigned long usecs);
-extern void __ndelay(unsigned long nsecs);
-extern void __const_udelay(unsigned long xloops);
-extern void __delay(unsigned long loops);
-
-#define udelay(n) (__builtin_constant_p(n) ? \
- ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
- __udelay(n))
-
-#define ndelay(n) (__builtin_constant_p(n) ? \
- ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
- __ndelay(n))
-
-#endif /* __ASM_AVR32_DELAY_H */
+#include <asm-generic/delay.h>
diff --git a/arch/avr32/include/asm/ptrace.h b/arch/avr32/include/asm/ptrace.h
index e53dd0d..c67a007 100644
--- a/arch/avr32/include/asm/ptrace.h
+++ b/arch/avr32/include/asm/ptrace.h
@@ -132,8 +132,6 @@ struct pt_regs {
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
-extern void show_regs (struct pt_regs *);
-
static __inline__ int valid_user_regs(struct pt_regs *regs)
{
/*
diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c
index a727f54..596f730 100644
--- a/arch/avr32/kernel/module.c
+++ b/arch/avr32/kernel/module.c
@@ -19,13 +19,6 @@
#include <linux/moduleloader.h>
#include <linux/vmalloc.h>
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
- return vmalloc(size);
-}
-
void module_free(struct module *mod, void *module_region)
{
vfree(mod->arch.syminfo);
@@ -299,15 +292,6 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
return ret;
}
-int apply_relocate(Elf32_Shdr *sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relindex,
- struct module *module)
-{
- printk(KERN_ERR "module %s: REL relocations are not supported\n",
- module->name);
- return -ENOEXEC;
-}
-
int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
struct module *module)
{
@@ -316,7 +300,3 @@ int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
return 0;
}
-
-void module_arch_cleanup(struct module *module)
-{
-}
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
index bb0974c..b4247f4 100644
--- a/arch/avr32/kernel/setup.c
+++ b/arch/avr32/kernel/setup.c
@@ -444,7 +444,7 @@ static unsigned long __init
find_bootmap_pfn(const struct resource *mem)
{
unsigned long bootmap_pages, bootmap_len;
- unsigned long node_pages = PFN_UP(mem->end - mem->start + 1);
+ unsigned long node_pages = PFN_UP(resource_size(mem));
unsigned long bootmap_start;
bootmap_pages = bootmem_bootmap_pages(node_pages);
@@ -541,10 +541,10 @@ static void __init setup_bootmem(void)
*/
if (res->start >= PFN_PHYS(first_pfn)
&& res->end < PFN_PHYS(max_pfn))
- reserve_bootmem_node(
- NODE_DATA(node), res->start,
- res->end - res->start + 1,
- BOOTMEM_DEFAULT);
+ reserve_bootmem_node(NODE_DATA(node),
+ res->start,
+ resource_size(res),
+ BOOTMEM_DEFAULT);
}
node_set_online(node);
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index fbc2aea..cfb298d 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -204,7 +204,7 @@ static int __init eic_probe(struct platform_device *pdev)
}
eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id;
- eic->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ eic->regs = ioremap(regs->start, resource_size(regs));
if (!eic->regs) {
dev_dbg(&pdev->dev, "failed to map regs\n");
goto err_ioremap;
diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c
index f7672d3..f66245e 100644
--- a/arch/avr32/mach-at32ap/hsmc.c
+++ b/arch/avr32/mach-at32ap/hsmc.c
@@ -245,7 +245,7 @@ static int hsmc_probe(struct platform_device *pdev)
hsmc->pclk = pclk;
hsmc->mck = mck;
- hsmc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ hsmc->regs = ioremap(regs->start, resource_size(regs));
if (!hsmc->regs)
goto out_disable_clocks;
diff --git a/arch/avr32/mach-at32ap/intc.c b/arch/avr32/mach-at32ap/intc.c
index c9ac2f8..258682b 100644
--- a/arch/avr32/mach-at32ap/intc.c
+++ b/arch/avr32/mach-at32ap/intc.c
@@ -107,7 +107,7 @@ void __init init_IRQ(void)
clk_enable(pclk);
- intc0.regs = ioremap(regs->start, regs->end - regs->start + 1);
+ intc0.regs = ioremap(regs->start, resource_size(regs));
if (!intc0.regs) {
printk(KERN_EMERG "intc: failed to map registers (0x%08lx)\n",
(unsigned long)regs->start);
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 2e0aa85..9b39dea 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -461,7 +461,7 @@ void __init at32_init_pio(struct platform_device *pdev)
clk_enable(pio->clk);
pio->pdev = pdev;
- pio->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ pio->regs = ioremap(regs->start, resource_size(regs));
/* start with irqs disabled and acked */
pio_writel(pio, IDR, ~0UL);
OpenPOWER on IntegriCloud