[PATCH 12/13] mmc: atmel-mci: use endian agnostic IO
From: Ben Dooks <hidden>
Date: 2015-03-18 15:53:11
Also in:
linux-mmc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Ulf Hansson, Linus Torvalds
Change the __raw IO functions to endian agnostic relaxed ones to allow the driver to function on big endian ARM systems. Signed-off-by: Ben Dooks <redacted> -- CC: Ludovic Desroches <redacted> CC: Chris Ball <redacted> CC: Ulf Hansson <redacted> CC: linux-mmc at vger.kernel.org --- drivers/mmc/host/atmel-mci-regs.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/atmel-mci-regs.h b/drivers/mmc/host/atmel-mci-regs.h
index c97001e..711bb53 100644
--- a/drivers/mmc/host/atmel-mci-regs.h
+++ b/drivers/mmc/host/atmel-mci-regs.h@@ -135,10 +135,17 @@ #define ATMCI_REGS_SIZE 0x100 /* Register access macros */ -#define atmci_readl(port,reg) \ +#ifdef CONFIG_AVR32 +#define atmci_readl(port,reg) \ __raw_readl((port)->regs + reg) #define atmci_writel(port,reg,value) \ __raw_writel((value), (port)->regs + reg) +#else +#define atmci_readl(port,reg) \ + readl_relaxed((port)->regs + reg) +#define atmci_writel(port,reg,value) \ + writel_relaxed((value), (port)->regs + reg) +#endif /* On AVR chips the Peripheral DMA Controller is not connected to MCI. */ #ifdef CONFIG_AVR32
--
2.1.4