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Commit 6e5ae29b authored by Ludovic Desroches's avatar Ludovic Desroches Committed by Vinod Koul
Browse files

dmaengine: at_xdmac: prefer usage of readl/writel_relaxed 



_relaxed version of readl and writel are not implemented on all
architecture so COMPILE_TEST has to be removed in order to not cause
some build failures.

Signed-off-by: default avatarLudovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 82e24246

drivers/dma/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -109,7 +109,7 @@ config AT_HDMAC 


config AT_XDMAC

	tristate "Atmel XDMA support"

	depends on (ARCH_AT91 || COMPILE_TEST)

	depends on ARCH_AT91

	select DMA_ENGINE

	help

	  Support the Atmel XDMA controller.

drivers/dma/at_xdmac.c

+4 −4
Original line number Diff line number Diff line
@@ -248,12 +248,12 @@ static inline void __iomem *at_xdmac_chan_reg_base(struct at_xdmac *atxdmac, uns 
	return atxdmac->regs + (AT_XDMAC_CHAN_REG_BASE + chan_nb * 0x40);

}



#define at_xdmac_read(atxdmac, reg) readl((atxdmac)->regs + (reg))

#define at_xdmac_read(atxdmac, reg) readl_relaxed((atxdmac)->regs + (reg))

#define at_xdmac_write(atxdmac, reg, value) \

	writel((value), (atxdmac)->regs + (reg))

	writel_relaxed((value), (atxdmac)->regs + (reg))



#define at_xdmac_chan_read(atchan, reg) readl((atchan)->ch_regs + (reg))

#define at_xdmac_chan_write(atchan, reg, value) writel((value), (atchan)->ch_regs + (reg))

#define at_xdmac_chan_read(atchan, reg) readl_relaxed((atchan)->ch_regs + (reg))

#define at_xdmac_chan_write(atchan, reg, value) writel_relaxed((value), (atchan)->ch_regs + (reg))



static inline struct at_xdmac_chan *to_at_xdmac_chan(struct dma_chan *dchan)

{