diff options
Diffstat (limited to 'arch/m32r')
| -rw-r--r-- | arch/m32r/include/asm/Kbuild | 2 | ||||
| -rw-r--r-- | arch/m32r/include/asm/atomic.h | 145 | ||||
| -rw-r--r-- | arch/m32r/include/asm/sections.h | 7 | ||||
| -rw-r--r-- | arch/m32r/kernel/time.c | 1 |
4 files changed, 60 insertions, 95 deletions
diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild index accc10a3dc78..3796801d6e0c 100644 --- a/arch/m32r/include/asm/Kbuild +++ b/arch/m32r/include/asm/Kbuild @@ -3,8 +3,10 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += exec.h generic-y += hash.h +generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += module.h generic-y += preempt.h generic-y += scatterlist.h +generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h index 8ad0ed4182a5..31bb74adba08 100644 --- a/arch/m32r/include/asm/atomic.h +++ b/arch/m32r/include/asm/atomic.h @@ -28,7 +28,7 @@ * * Atomically reads the value of @v. */ -#define atomic_read(v) (*(volatile int *)&(v)->counter) +#define atomic_read(v) ACCESS_ONCE((v)->counter) /** * atomic_set - set atomic variable @@ -39,85 +39,64 @@ */ #define atomic_set(v,i) (((v)->counter) = (i)) -/** - * atomic_add_return - add integer to atomic variable and return it - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @i to @v and return (@i + @v). - */ -static __inline__ int atomic_add_return(int i, atomic_t *v) -{ - unsigned long flags; - int result; - - local_irq_save(flags); - __asm__ __volatile__ ( - "# atomic_add_return \n\t" - DCACHE_CLEAR("%0", "r4", "%1") - M32R_LOCK" %0, @%1; \n\t" - "add %0, %2; \n\t" - M32R_UNLOCK" %0, @%1; \n\t" - : "=&r" (result) - : "r" (&v->counter), "r" (i) - : "memory" #ifdef CONFIG_CHIP_M32700_TS1 - , "r4" -#endif /* CONFIG_CHIP_M32700_TS1 */ - ); - local_irq_restore(flags); - - return result; +#define __ATOMIC_CLOBBER , "r4" +#else +#define __ATOMIC_CLOBBER +#endif + +#define ATOMIC_OP(op) \ +static __inline__ void atomic_##op(int i, atomic_t *v) \ +{ \ + unsigned long flags; \ + int result; \ + \ + local_irq_save(flags); \ + __asm__ __volatile__ ( \ + "# atomic_" #op " \n\t" \ + DCACHE_CLEAR("%0", "r4", "%1") \ + M32R_LOCK" %0, @%1; \n\t" \ + #op " %0, %2; \n\t" \ + M32R_UNLOCK" %0, @%1; \n\t" \ + : "=&r" (result) \ + : "r" (&v->counter), "r" (i) \ + : "memory" \ + __ATOMIC_CLOBBER \ + ); \ + local_irq_restore(flags); \ +} \ + +#define ATOMIC_OP_RETURN(op) \ +static __inline__ int atomic_##op##_return(int i, atomic_t *v) \ +{ \ + unsigned long flags; \ + int result; \ + \ + local_irq_save(flags); \ + __asm__ __volatile__ ( \ + "# atomic_" #op "_return \n\t" \ + DCACHE_CLEAR("%0", "r4", "%1") \ + M32R_LOCK" %0, @%1; \n\t" \ + #op " %0, %2; \n\t" \ + M32R_UNLOCK" %0, @%1; \n\t" \ + : "=&r" (result) \ + : "r" (&v->counter), "r" (i) \ + : "memory" \ + __ATOMIC_CLOBBER \ + ); \ + local_irq_restore(flags); \ + \ + return result; \ } -/** - * atomic_sub_return - subtract integer from atomic variable and return it - * @i: integer value to subtract - * @v: pointer of type atomic_t - * - * Atomically subtracts @i from @v and return (@v - @i). - */ -static __inline__ int atomic_sub_return(int i, atomic_t *v) -{ - unsigned long flags; - int result; - - local_irq_save(flags); - __asm__ __volatile__ ( - "# atomic_sub_return \n\t" - DCACHE_CLEAR("%0", "r4", "%1") - M32R_LOCK" %0, @%1; \n\t" - "sub %0, %2; \n\t" - M32R_UNLOCK" %0, @%1; \n\t" - : "=&r" (result) - : "r" (&v->counter), "r" (i) - : "memory" -#ifdef CONFIG_CHIP_M32700_TS1 - , "r4" -#endif /* CONFIG_CHIP_M32700_TS1 */ - ); - local_irq_restore(flags); - - return result; -} +#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) -/** - * atomic_add - add integer to atomic variable - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @i to @v. - */ -#define atomic_add(i,v) ((void) atomic_add_return((i), (v))) +ATOMIC_OPS(add) +ATOMIC_OPS(sub) -/** - * atomic_sub - subtract the atomic variable - * @i: integer value to subtract - * @v: pointer of type atomic_t - * - * Atomically subtracts @i from @v. - */ -#define atomic_sub(i,v) ((void) atomic_sub_return((i), (v))) +#undef ATOMIC_OPS +#undef ATOMIC_OP_RETURN +#undef ATOMIC_OP /** * atomic_sub_and_test - subtract value from variable and test result @@ -151,9 +130,7 @@ static __inline__ int atomic_inc_return(atomic_t *v) : "=&r" (result) : "r" (&v->counter) : "memory" -#ifdef CONFIG_CHIP_M32700_TS1 - , "r4" -#endif /* CONFIG_CHIP_M32700_TS1 */ + __ATOMIC_CLOBBER ); local_irq_restore(flags); @@ -181,9 +158,7 @@ static __inline__ int atomic_dec_return(atomic_t *v) : "=&r" (result) : "r" (&v->counter) : "memory" -#ifdef CONFIG_CHIP_M32700_TS1 - , "r4" -#endif /* CONFIG_CHIP_M32700_TS1 */ + __ATOMIC_CLOBBER ); local_irq_restore(flags); @@ -280,9 +255,7 @@ static __inline__ void atomic_clear_mask(unsigned long mask, atomic_t *addr) : "=&r" (tmp) : "r" (addr), "r" (~mask) : "memory" -#ifdef CONFIG_CHIP_M32700_TS1 - , "r5" -#endif /* CONFIG_CHIP_M32700_TS1 */ + __ATOMIC_CLOBBER ); local_irq_restore(flags); } @@ -302,9 +275,7 @@ static __inline__ void atomic_set_mask(unsigned long mask, atomic_t *addr) : "=&r" (tmp) : "r" (addr), "r" (mask) : "memory" -#ifdef CONFIG_CHIP_M32700_TS1 - , "r5" -#endif /* CONFIG_CHIP_M32700_TS1 */ + __ATOMIC_CLOBBER ); local_irq_restore(flags); } diff --git a/arch/m32r/include/asm/sections.h b/arch/m32r/include/asm/sections.h deleted file mode 100644 index 5e5d21c4908a..000000000000 --- a/arch/m32r/include/asm/sections.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _M32R_SECTIONS_H -#define _M32R_SECTIONS_H - -/* nothing to see, move along */ -#include <asm-generic/sections.h> - -#endif /* _M32R_SECTIONS_H */ diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index 1a15f81ea1bd..093f2761aa51 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -134,7 +134,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED, .name = "MFT2", }; 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