diff options
| author | Alexander Duyck <alexander.h.duyck@redhat.com> | 2015-04-08 01:55:14 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-04-08 18:15:14 +0200 |
| commit | b4468cc6f2aeccaea74baa3b211a49851fd84158 (patch) | |
| tree | 1c9e7919c80749a6c7ca67b089e3d6773878c381 /drivers/net/ethernet/sun/sunhme.c | |
| parent | bonding: Remove unnecessary initialization (diff) | |
| download | linux-b4468cc6f2aeccaea74baa3b211a49851fd84158.tar.xz linux-b4468cc6f2aeccaea74baa3b211a49851fd84158.zip | |
sungem, sunhme, sunvnet: Update drivers to use dma_wmb/rmb
This patch goes through and replaces wmb/rmb with dma_wmb/dma_rmb in cases
where the barrier is being used to order writes or reads to just memory and
doesn't involve any programmed I/O.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sun/sunhme.c')
| -rw-r--r-- | drivers/net/ethernet/sun/sunhme.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index 7a8ca2c7b7df..cf4dcff051d5 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -196,14 +196,14 @@ static u32 sbus_hme_read32(void __iomem *reg) static void sbus_hme_write_rxd(struct happy_meal_rxd *rxd, u32 flags, u32 addr) { rxd->rx_addr = (__force hme32)addr; - wmb(); + dma_wmb(); rxd->rx_flags = (__force hme32)flags; } static void sbus_hme_write_txd(struct happy_meal_txd *txd, u32 flags, u32 addr) { txd->tx_addr = (__force hme32)addr; - wmb(); + dma_wmb(); txd->tx_flags = (__force hme32)flags; } @@ -225,14 +225,14 @@ static u32 pci_hme_read32(void __iomem *reg) static void pci_hme_write_rxd(struct happy_meal_rxd *rxd, u32 flags, u32 addr) { rxd->rx_addr = (__force hme32)cpu_to_le32(addr); - wmb(); + dma_wmb(); rxd->rx_flags = (__force hme32)cpu_to_le32(flags); } static void pci_hme_write_txd(struct happy_meal_txd *txd, u32 flags, u32 addr) { txd->tx_addr = (__force hme32)cpu_to_le32(addr); - wmb(); + dma_wmb(); txd->tx_flags = (__force hme32)cpu_to_le32(flags); } @@ -268,12 +268,12 @@ static u32 pci_hme_read_desc32(hme32 *p) sbus_readl(__reg) #define hme_write_rxd(__hp, __rxd, __flags, __addr) \ do { (__rxd)->rx_addr = (__force hme32)(u32)(__addr); \ - wmb(); \ + dma_wmb(); \ (__rxd)->rx_flags = (__force hme32)(u32)(__flags); \ } while(0) #define hme_write_txd(__hp, __txd, __flags, __addr) \ do { (__txd)->tx_addr = (__force hme32)(u32)(__addr); \ - wmb(); \ + dma_wmb(); \ (__txd)->tx_flags = (__force hme32)(u32)(__flags); \ } while(0) #define hme_read_desc32(__hp, __p) ((__force u32)(hme32)*(__p)) @@ -293,12 +293,12 @@ do { (__txd)->tx_addr = (__force hme32)(u32)(__addr); \ readl(__reg) #define hme_write_rxd(__hp, __rxd, __flags, __addr) \ do { (__rxd)->rx_addr = (__force hme32)cpu_to_le32(__addr); \ - wmb(); \ + dma_wmb(); \ (__rxd)->rx_flags = (__force hme32)cpu_to_le32(__flags); \ } while(0) #define hme_write_txd(__hp, __txd, __flags, __addr) \ do { (__txd)->tx_addr = (__force hme32)cpu_to_le32(__addr); \ - wmb(); \ + dma_wmb(); \ (__txd)->tx_flags = (__force hme32)cpu_to_le32(__flags); \ } while(0) static inline u32 hme_read_desc32(struct happy_meal *hp, hme32 *p) |