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| author | Johannes Berg <johannes.berg@intel.com> | 2013-12-16 11:23:45 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-12-16 11:23:45 +0100 |
| commit | c4de673b775e4db48cd2db6277e0c6714332ca0c (patch) | |
| tree | 84f9e4728e6ccf257236d2ba063b6e784ec8b65d /drivers/net/ethernet/sfc/io.h | |
| parent | mac80211: fix nested sdata lock for IBSS/CSA (diff) | |
| parent | ath9k: initialize retry chain flags in tx99 code (diff) | |
| download | linux-c4de673b775e4db48cd2db6277e0c6714332ca0c.tar.xz linux-c4de673b775e4db48cd2db6277e0c6714332ca0c.zip | |
Merge remote-tracking branch 'wireless-next/master' into mac80211-next
Diffstat (limited to 'drivers/net/ethernet/sfc/io.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/io.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/io.h b/drivers/net/ethernet/sfc/io.h index 96ce507d8602..4d3f119b67b3 100644 --- a/drivers/net/ethernet/sfc/io.h +++ b/drivers/net/ethernet/sfc/io.h @@ -66,6 +66,11 @@ #define EFX_USE_QWORD_IO 1 #endif +/* PIO is a win only if write-combining is possible */ +#ifdef ARCH_HAS_IOREMAP_WC +#define EFX_USE_PIO 1 +#endif + #ifdef EFX_USE_QWORD_IO static inline void _efx_writeq(struct efx_nic *efx, __le64 value, unsigned int reg) |