diff options
Diffstat (limited to 'include/asm-ia64/sn/io.h')
| -rw-r--r-- | include/asm-ia64/sn/io.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/io.h b/include/asm-ia64/sn/io.h index ac30c747c5a..41c73a73562 100644 --- a/include/asm-ia64/sn/io.h +++ b/include/asm-ia64/sn/io.h @@ -36,6 +36,15 @@ extern void sn_dma_flush(unsigned long); #define __sn_readq_relaxed ___sn_readq_relaxed /* + * Convenience macros for setting/clearing bits using the above accessors + */ + +#define __sn_setq_relaxed(addr, val) \ + writeq((__sn_readq_relaxed(addr) | (val)), (addr)) +#define __sn_clrq_relaxed(addr, val) \ + writeq((__sn_readq_relaxed(addr) & ~(val)), (addr)) + +/* * The following routines are SN Platform specific, called when * a reference is made to inX/outX set macros. SN Platform * inX set of macros ensures that Posted DMA writes on the |