Messages in this thread Patch in this message | | | From | Jisheng Zhang <> | Subject | [PATCH 1/2] net: pxa168_eth: use {readl|writel}_relaxed instead of readl/writel | Date | Fri, 13 May 2016 19:57:29 +0800 |
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Since appropriate memory barriers are already there, use the relaxed version to improve performance a bit.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com> --- drivers/net/ethernet/marvell/pxa168_eth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index c442f6a..db774e3 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -286,12 +286,12 @@ static int pxa168_eth_stop(struct net_device *dev); static inline u32 rdl(struct pxa168_eth_private *pep, int offset) { - return readl(pep->base + offset); + return readl_relaxed(pep->base + offset); } static inline void wrl(struct pxa168_eth_private *pep, int offset, u32 data) { - writel(data, pep->base + offset); + writel_relaxed(data, pep->base + offset); } static void abort_dma(struct pxa168_eth_private *pep) -- 2.8.1
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