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| author | Michal Simek <michal.simek@xilinx.com> | 2014-01-30 14:27:26 (GMT) |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2014-02-10 06:42:03 (GMT) |
| commit | 4f3cbd79afd99cc5143b2beb126e7425af7f1ff9 (patch) | |
| tree | e3609f0bcb8f918d6e2548a987081fb131faf072 /arch/microblaze/include/asm/io.h | |
| parent | ac1566ece497b2a37667cc5d4258edb0bf3b6836 (diff) | |
| download | linux-4f3cbd79afd99cc5143b2beb126e7425af7f1ff9.tar.xz | |
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: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/microblaze/include/asm/io.h')
| -rw-r--r-- | arch/microblaze/include/asm/io.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index a2cea72..3fbb7f1 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -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 |