From mboxrd@z Thu Jan 1 00:00:00 1970 From: ben.dooks@codethink.co.uk (Ben Dooks) Date: Thu, 26 Mar 2015 13:06:29 +0000 Subject: [PATCH 1/3] dmaengine: at_hdmac: use endian agnostic IO accesors In-Reply-To: <1427375191-1467-1-git-send-email-ben.dooks@codethink.co.uk> References: <1427375191-1467-1-git-send-email-ben.dooks@codethink.co.uk> Message-ID: <1427375191-1467-2-git-send-email-ben.dooks@codethink.co.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Change the at_hdmac driver to use readl_relaxed and writel_relaxed to ensure it is properly taking into account the CPU versius the bus endian-ness. Signed-off-by: Ben Dooks -- CC: Nicolas Ferre CC: Dan Williams CC: Vinod Koul CC: linux-arm-kernel at lists.infradead.org CC: dmaengine at vger.kernel.org --- drivers/dma/at_hdmac_regs.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index d6bba6c..b4d0a54 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -264,10 +264,10 @@ struct at_dma_chan { }; #define channel_readl(atchan, name) \ - __raw_readl((atchan)->ch_regs + ATC_##name##_OFFSET) + readl_relaxed((atchan)->ch_regs + ATC_##name##_OFFSET) #define channel_writel(atchan, name, val) \ - __raw_writel((val), (atchan)->ch_regs + ATC_##name##_OFFSET) + writel_relaxed((val), (atchan)->ch_regs + ATC_##name##_OFFSET) static inline struct at_dma_chan *to_at_dma_chan(struct dma_chan *dchan) { @@ -332,9 +332,9 @@ struct at_dma { }; #define dma_readl(atdma, name) \ - __raw_readl((atdma)->regs + AT_DMA_##name) + readl_relaxed((atdma)->regs + AT_DMA_##name) #define dma_writel(atdma, name, val) \ - __raw_writel((val), (atdma)->regs + AT_DMA_##name) + writel_relaxed((val), (atdma)->regs + AT_DMA_##name) static inline struct at_dma *to_at_dma(struct dma_device *ddev) { -- 2.1.4