mmc: atmel-mci: use endian agnostic IO

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 <[email protected]> Acked-by: Ludovic Desroches <[email protected]> Signed-off-by: Ulf Hansson <[email protected]>
neviim · Mar 25, 2015 · 1a467ab · 1a467ab
1 parent 2530fd7
commit 1a467ab
Showing 1 changed file with 9 additions and 2 deletions.
diff --git 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)			\
+#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