diff options
Diffstat (limited to 'arch/ia64/include/asm')
| -rw-r--r-- | arch/ia64/include/asm/atomic.h | 16 | ||||
| -rw-r--r-- | arch/ia64/include/asm/export.h | 3 | ||||
| -rw-r--r-- | arch/ia64/include/asm/libata-portmap.h | 4 |
3 files changed, 19 insertions, 4 deletions
diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h index f565ad376142..65d4bb2b6685 100644 --- a/arch/ia64/include/asm/atomic.h +++ b/arch/ia64/include/asm/atomic.h @@ -269,6 +269,22 @@ static __inline__ long atomic64_add_unless(atomic64_t *v, long a, long u) #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) +static __inline__ long atomic64_dec_if_positive(atomic64_t *v) +{ + long c, old, dec; + c = atomic64_read(v); + for (;;) { + dec = c - 1; + if (unlikely(dec < 0)) + break; + old = atomic64_cmpxchg((v), c, dec); + if (likely(old == c)) + break; + c = old; + } + return dec; +} + /* * Atomically add I to V and return TRUE if the resulting value is * negative. diff --git a/arch/ia64/include/asm/export.h b/arch/ia64/include/asm/export.h new file mode 100644 index 000000000000..ad18c6583252 --- /dev/null +++ b/arch/ia64/include/asm/export.h @@ -0,0 +1,3 @@ +/* EXPORT_DATA_SYMBOL != EXPORT_SYMBOL here */ +#define KSYM_FUNC(name) @fptr(name) +#include <asm-generic/export.h> diff --git a/arch/ia64/include/asm/libata-portmap.h b/arch/ia64/include/asm/libata-portmap.h index 0e00c9a9f410..7a1f8310596b 100644 --- a/arch/ia64/include/asm/libata-portmap.h +++ b/arch/ia64/include/asm/libata-portmap.h @@ -1,12 +1,8 @@ #ifndef __ASM_IA64_LIBATA_PORTMAP_H #define __ASM_IA64_LIBATA_PORTMAP_H -#define ATA_PRIMARY_CMD 0x1F0 -#define ATA_PRIMARY_CTL 0x3F6 #define ATA_PRIMARY_IRQ(dev) isa_irq_to_vector(14) -#define ATA_SECONDARY_CMD 0x170 -#define ATA_SECONDARY_CTL 0x376 #define ATA_SECONDARY_IRQ(dev) isa_irq_to_vector(15) #endif |
