aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/include
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2008-11-20 15:25:22 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-12-22 18:42:53 +0900
commit16b529d1d78060254d5bc735390915ca5ccf13a1 (patch)
tree6e28039e44bb1faa421d38a611f352da1f70697b /arch/sh/include
parent709420dd4e75083ee7920e61c2d0bcc3db9b7405 (diff)
sh: Convert to generic bitops for IRQ-toggling implementation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include')
-rw-r--r--arch/sh/include/asm/bitops-grb.h3
-rw-r--r--arch/sh/include/asm/bitops-irq.h91
-rw-r--r--arch/sh/include/asm/bitops-llsc.h2
-rw-r--r--arch/sh/include/asm/bitops.h6
4 files changed, 7 insertions, 95 deletions
diff --git a/arch/sh/include/asm/bitops-grb.h b/arch/sh/include/asm/bitops-grb.h
index a5907b94395..e73af33acbf 100644
--- a/arch/sh/include/asm/bitops-grb.h
+++ b/arch/sh/include/asm/bitops-grb.h
@@ -166,4 +166,7 @@ static inline int test_and_change_bit(int nr, volatile void * addr)
return retval;
}
+
+#include <asm-generic/bitops/non-atomic.h>
+
#endif /* __ASM_SH_BITOPS_GRB_H */
diff --git a/arch/sh/include/asm/bitops-irq.h b/arch/sh/include/asm/bitops-irq.h
deleted file mode 100644
index 653a1275058..00000000000
--- a/arch/sh/include/asm/bitops-irq.h
+++ /dev/null
@@ -1,91 +0,0 @@
-#ifndef __ASM_SH_BITOPS_IRQ_H
-#define __ASM_SH_BITOPS_IRQ_H
-
-static inline void set_bit(int nr, volatile void *addr)
-{
- int mask;
- volatile unsigned int *a = addr;
- unsigned long flags;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save(flags);
- *a |= mask;
- local_irq_restore(flags);
-}
-
-static inline void clear_bit(int nr, volatile void *addr)
-{
- int mask;
- volatile unsigned int *a = addr;
- unsigned long flags;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save(flags);
- *a &= ~mask;
- local_irq_restore(flags);
-}
-
-static inline void change_bit(int nr, volatile void *addr)
-{
- int mask;
- volatile unsigned int *a = addr;
- unsigned long flags;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save(flags);
- *a ^= mask;
- local_irq_restore(flags);
-}
-
-static inline int test_and_set_bit(int nr, volatile void *addr)
-{
- int mask, retval;
- volatile unsigned int *a = addr;
- unsigned long flags;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save(flags);
- retval = (mask & *a) != 0;
- *a |= mask;
- local_irq_restore(flags);
-
- return retval;
-}
-
-static inline int test_and_clear_bit(int nr, volatile void *addr)
-{
- int mask, retval;
- volatile unsigned int *a = addr;
- unsigned long flags;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save(flags);
- retval = (mask & *a) != 0;
- *a &= ~mask;
- local_irq_restore(flags);
-
- return retval;
-}
-
-static inline int test_and_change_bit(int nr, volatile void *addr)
-{
- int mask, retval;
- volatile unsigned int *a = addr;
- unsigned long flags;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- local_irq_save(flags);
- retval = (mask & *a) != 0;
- *a ^= mask;
- local_irq_restore(flags);
-
- return retval;
-}
-
-#endif /* __ASM_SH_BITOPS_IRQ_H */
diff --git a/arch/sh/include/asm/bitops-llsc.h b/arch/sh/include/asm/bitops-llsc.h
index 43b8e1a8239..1d2fc0b010a 100644
--- a/arch/sh/include/asm/bitops-llsc.h
+++ b/arch/sh/include/asm/bitops-llsc.h
@@ -141,4 +141,6 @@ static inline int test_and_change_bit(int nr, volatile void * addr)
return retval != 0;
}
+#include <asm-generic/bitops/non-atomic.h>
+
#endif /* __ASM_SH_BITOPS_LLSC_H */
diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h
index 367930d8e5a..9b141e04d10 100644
--- a/arch/sh/include/asm/bitops.h
+++ b/arch/sh/include/asm/bitops.h
@@ -16,18 +16,16 @@
#elif defined(CONFIG_CPU_SH4A)
#include <asm/bitops-llsc.h>
#else
-#include <asm/bitops-irq.h>
+#include <asm-generic/bitops/atomic.h>
+#include <asm-generic/bitops/non-atomic.h>
#endif
-
/*
* clear_bit() doesn't provide any barrier for the compiler.
*/
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
-#include <asm-generic/bitops/non-atomic.h>
-
#ifdef CONFIG_SUPERH32
static inline unsigned long ffz(unsigned long word)
{