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-rw-r--r--arch/h8300/include/asm/Kbuild1
-rw-r--r--arch/h8300/include/asm/atomic.h137
-rw-r--r--arch/h8300/include/asm/dma-mapping.h44
3 files changed, 36 insertions, 146 deletions
diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild
index 70e6ae1e7..373cb2330 100644
--- a/arch/h8300/include/asm/Kbuild
+++ b/arch/h8300/include/asm/Kbuild
@@ -73,4 +73,5 @@ generic-y += uaccess.h
generic-y += ucontext.h
generic-y += unaligned.h
generic-y += vga.h
+generic-y += word-at-a-time.h
generic-y += xor.h
diff --git a/arch/h8300/include/asm/atomic.h b/arch/h8300/include/asm/atomic.h
index 7ca73f854..702ee539f 100644
--- a/arch/h8300/include/asm/atomic.h
+++ b/arch/h8300/include/asm/atomic.h
@@ -16,83 +16,52 @@
#include <linux/kernel.h>
-static inline int atomic_add_return(int i, atomic_t *v)
-{
- h8300flags flags;
- int ret;
-
- flags = arch_local_irq_save();
- ret = v->counter += i;
- arch_local_irq_restore(flags);
- return ret;
+#define ATOMIC_OP_RETURN(op, c_op) \
+static inline int atomic_##op##_return(int i, atomic_t *v) \
+{ \
+ h8300flags flags; \
+ int ret; \
+ \
+ flags = arch_local_irq_save(); \
+ ret = v->counter c_op i; \
+ arch_local_irq_restore(flags); \
+ return ret; \
}
-#define atomic_add(i, v) atomic_add_return(i, v)
-#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
-
-static inline int atomic_sub_return(int i, atomic_t *v)
-{
- h8300flags flags;
- int ret;
-
- flags = arch_local_irq_save();
- ret = v->counter -= i;
- arch_local_irq_restore(flags);
- return ret;
+#define ATOMIC_OP(op, c_op) \
+static inline void atomic_##op(int i, atomic_t *v) \
+{ \
+ h8300flags flags; \
+ \
+ flags = arch_local_irq_save(); \
+ v->counter c_op i; \
+ arch_local_irq_restore(flags); \
}
-#define atomic_sub(i, v) atomic_sub_return(i, v)
-#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
+ATOMIC_OP_RETURN(add, +=)
+ATOMIC_OP_RETURN(sub, -=)
-static inline int atomic_inc_return(atomic_t *v)
-{
- h8300flags flags;
- int ret;
+ATOMIC_OP(and, &=)
+ATOMIC_OP(or, |=)
+ATOMIC_OP(xor, ^=)
- flags = arch_local_irq_save();
- v->counter++;
- ret = v->counter;
- arch_local_irq_restore(flags);
- return ret;
-}
-
-#define atomic_inc(v) atomic_inc_return(v)
+#undef ATOMIC_OP_RETURN
+#undef ATOMIC_OP
-/*
- * atomic_inc_and_test - increment and test
- * @v: pointer of type atomic_t
- *
- * Atomically increments @v by 1
- * and returns true if the result is zero, or false for all
- * other cases.
- */
-#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
+#define atomic_add(i, v) (void)atomic_add_return(i, v)
+#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
-static inline int atomic_dec_return(atomic_t *v)
-{
- h8300flags flags;
- int ret;
+#define atomic_sub(i, v) (void)atomic_sub_return(i, v)
+#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
- flags = arch_local_irq_save();
- --v->counter;
- ret = v->counter;
- arch_local_irq_restore(flags);
- return ret;
-}
+#define atomic_inc_return(v) atomic_add_return(1, v)
+#define atomic_dec_return(v) atomic_sub_return(1, v)
-#define atomic_dec(v) atomic_dec_return(v)
+#define atomic_inc(v) (void)atomic_inc_return(v)
+#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
-static inline int atomic_dec_and_test(atomic_t *v)
-{
- h8300flags flags;
- int ret;
-
- flags = arch_local_irq_save();
- --v->counter;
- ret = v->counter;
- arch_local_irq_restore(flags);
- return ret == 0;
-}
+#define atomic_dec(v) (void)atomic_dec_return(v)
+#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
{
@@ -120,40 +89,4 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
return ret;
}
-static inline void atomic_clear_mask(unsigned long mask, unsigned long *v)
-{
- unsigned char ccr;
- unsigned long tmp;
-
- __asm__ __volatile__("stc ccr,%w3\n\t"
- "orc #0x80,ccr\n\t"
- "mov.l %0,%1\n\t"
- "and.l %2,%1\n\t"
- "mov.l %1,%0\n\t"
- "ldc %w3,ccr"
- : "=m"(*v), "=r"(tmp)
- : "g"(~(mask)), "r"(ccr));
-}
-
-static inline void atomic_set_mask(unsigned long mask, unsigned long *v)
-{
- unsigned char ccr;
- unsigned long tmp;
-
- __asm__ __volatile__("stc ccr,%w3\n\t"
- "orc #0x80,ccr\n\t"
- "mov.l %0,%1\n\t"
- "or.l %2,%1\n\t"
- "mov.l %1,%0\n\t"
- "ldc %w3,ccr"
- : "=m"(*v), "=r"(tmp)
- : "g"(~(mask)), "r"(ccr));
-}
-
-/* Atomic operations are already serializing */
-#define smp_mb__before_atomic_dec() barrier()
-#define smp_mb__after_atomic_dec() barrier()
-#define smp_mb__before_atomic_inc() barrier()
-#define smp_mb__after_atomic_inc() barrier()
-
#endif /* __ARCH_H8300_ATOMIC __ */
diff --git a/arch/h8300/include/asm/dma-mapping.h b/arch/h8300/include/asm/dma-mapping.h
index 6e67a9090..d9b5b806a 100644
--- a/arch/h8300/include/asm/dma-mapping.h
+++ b/arch/h8300/include/asm/dma-mapping.h
@@ -1,8 +1,6 @@
#ifndef _H8300_DMA_MAPPING_H
#define _H8300_DMA_MAPPING_H
-#include <asm-generic/dma-coherent.h>
-
extern struct dma_map_ops h8300_dma_map_ops;
static inline struct dma_map_ops *get_dma_ops(struct device *dev)
@@ -12,46 +10,4 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev)
#include <asm-generic/dma-mapping-common.h>
-static inline int dma_supported(struct device *dev, u64 mask)
-{
- return 0;
-}
-
-static inline int dma_set_mask(struct device *dev, u64 mask)
-{
- return 0;
-}
-
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-
-#define dma_alloc_coherent(d, s, h, f) dma_alloc_attrs(d, s, h, f, NULL)
-
-static inline void *dma_alloc_attrs(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *ops = get_dma_ops(dev);
- void *memory;
-
- memory = ops->alloc(dev, size, dma_handle, flag, attrs);
- return memory;
-}
-
-#define dma_free_coherent(d, s, c, h) dma_free_attrs(d, s, c, h, NULL)
-
-static inline void dma_free_attrs(struct device *dev, size_t size,
- void *cpu_addr, dma_addr_t dma_handle,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *ops = get_dma_ops(dev);
-
- ops->free(dev, size, cpu_addr, dma_handle, attrs);
-}
-
-static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- return 0;
-}
-
#endif
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-16 12:35:30 +0000