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Commit 4f3cbd79 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: Define readq and writeq IO helper function 



Some drivers check if readq/writeq functions are defined.
If not internal driver functions are used which cause
compilation failures.

Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
parent ac1566ec

arch/microblaze/include/asm/io.h

+6 −0
Original line number Diff line number Diff line
@@ -89,6 +89,11 @@ static inline unsigned int readl(const volatile void __iomem *addr) 
{

	return le32_to_cpu(*(volatile unsigned int __force *)addr);

}

#define readq readq

static inline u64 readq(const volatile void __iomem *addr)

{

	return le64_to_cpu(__raw_readq(addr));

}

static inline void writeb(unsigned char v, volatile void __iomem *addr)

{

	*(volatile unsigned char __force *)addr = v;
@@ -101,6 +106,7 @@ static inline void writel(unsigned int v, volatile void __iomem *addr) 
{

	*(volatile unsigned int __force *)addr = cpu_to_le32(v);

}

#define writeq(b, addr) __raw_writeq(cpu_to_le64(b), addr)



/* ioread and iowrite variants. thease are for now same as __raw_

 * variants of accessors. we might check for endianess in the feature