diff options
Diffstat (limited to 'arch/ia64/include/asm/sn/bte.h')
| -rw-r--r-- | arch/ia64/include/asm/sn/bte.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/ia64/include/asm/sn/bte.h b/arch/ia64/include/asm/sn/bte.h index a0d214f4311..cc6c4dbf53a 100644 --- a/arch/ia64/include/asm/sn/bte.h +++ b/arch/ia64/include/asm/sn/bte.h @@ -39,7 +39,7 @@ /* BTE status register only supports 16 bits for length field */ #define BTE_LEN_BITS (16) #define BTE_LEN_MASK ((1 << BTE_LEN_BITS) - 1) -#define BTE_MAX_XFER ((1 << BTE_LEN_BITS) * L1_CACHE_BYTES) +#define BTE_MAX_XFER (BTE_LEN_MASK << L1_CACHE_SHIFT) /* Define hardware */ @@ -216,17 +216,18 @@ extern void bte_error_handler(unsigned long); bte_copy(0, dest, len, ((mode) | BTE_ZERO_FILL), notification) /* - * The following is the prefered way of calling bte_unaligned_copy + * The following is the preferred way of calling bte_unaligned_copy * If the copy is fully cache line aligned, then bte_copy is * used instead. Since bte_copy is inlined, this saves a call * stack. NOTE: bte_copy is called synchronously and does block * until the transfer is complete. In order to get the asynch * version of bte_copy, you must perform this check yourself. */ -#define BTE_UNALIGNED_COPY(src, dest, len, mode) \ - (((len & L1_CACHE_MASK) || (src & L1_CACHE_MASK) || \ - (dest & L1_CACHE_MASK)) ? \ - bte_unaligned_copy(src, dest, len, mode) : \ +#define BTE_UNALIGNED_COPY(src, dest, len, mode) \ + (((len & (L1_CACHE_BYTES - 1)) || \ + (src & (L1_CACHE_BYTES - 1)) || \ + (dest & (L1_CACHE_BYTES - 1))) ? \ + bte_unaligned_copy(src, dest, len, mode) : \ bte_copy(src, dest, len, mode, NULL)) |