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E.g the default ioremap_uc() returning NULL. Signed-off-by: Baoquan He Cc: Thomas Bogendoerfer Cc: Geert Uytterhoeven Cc: Helge Deller Cc: Serge Semin Cc: Florian Fainelli Cc: Huacai Chen Cc: Jiaxun Yang Cc: linux-mips@vger.kernel.org Reviewed-by: Arnd Bergmann --- arch/mips/include/asm/io.h | 78 ++++++++++++++++++++++++++++++++++---- 1 file changed, 70 insertions(+), 8 deletions(-) diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index cec8347f0b85..6756baadba6c 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -126,6 +126,7 @@ static inline phys_addr_t virt_to_phys(const volatile void *x) * almost all conceivable cases a device driver should not be using * this function */ +#define phys_to_virt phys_to_virt static inline void * phys_to_virt(unsigned long address) { return __va(address); @@ -359,6 +360,27 @@ __BUILD_MEMORY_PFX(__raw_, q, u64, 0) __BUILD_MEMORY_PFX(__mem_, q, u64, 0) #endif +#define readb readb +#define readw readw +#define readl readl +#define writeb writeb +#define writew writew +#define writel writel + +#ifdef CONFIG_64BIT +#define readq readq +#define writeq writeq +#define __raw_readq __raw_readq +#define __raw_writeq __raw_writeq +#endif + +#define __raw_readb __raw_readb +#define __raw_readw __raw_readw +#define __raw_readl __raw_readl +#define __raw_writeb __raw_writeb +#define __raw_writew __raw_writew +#define __raw_writel __raw_writel + #define __BUILD_IOPORT_PFX(bus, bwlq, type) \ __BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0,) \ __BUILD_IOPORT_SINGLE(bus, bwlq, type, 1, 0, _p) @@ -374,6 +396,27 @@ BUILDIO_IOPORT(l, u32) BUILDIO_IOPORT(q, u64) #endif +#define inb inb +#define inw inw +#define inl inl +#define inb_p inb_p +#define inw_p inw_p +#define inl_p inl_p + +#define outb outb +#define outw outw +#define outl outl +#define outb_p outb_p +#define outw_p outw_p +#define outl_p outl_p + +#ifdef CONFIG_64BIT +#define inq inq +#define outq outq +#define inq_p inq_p +#define outq_p outq_p +#endif + #define __BUILDIO(bwlq, type) \ \ __BUILD_MEMORY_SINGLE(____raw_, bwlq, type, 1, 0, 0) @@ -412,14 +455,6 @@ __BUILDIO(q, u64) #define writeq_be(val, addr) \ __raw_writeq(cpu_to_be64((val)), (__force unsigned *)(addr)) -/* - * Some code tests for these symbols - */ -#ifdef CONFIG_64BIT -#define readq readq -#define writeq writeq -#endif - #define __BUILD_MEMORY_STRING(bwlq, type) \ \ static inline void writes##bwlq(volatile void __iomem *mem, \ @@ -480,14 +515,39 @@ BUILDSTRING(l, u32) BUILDSTRING(q, u64) #endif +#define insb insb +#define insw insw +#define insl insl +#define outsb outsb +#define outsw outsw +#define outsl outsl + +#define readsb readsb +#define readsw readsw +#define readsl readsl +#define writesb writesb +#define writesw writesw +#define writesl writesl + +#ifdef CONFIG_64BIT +#define insq insq +#define readsq readsq +#define readsq readsq +#define writesq writesq +#endif + + +#define memset_io memset_io static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count) { memset((void __force *) addr, val, count); } +#define memcpy_fromio memcpy_fromio static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count) { memcpy(dst, (void __force *) src, count); } +#define memcpy_toio memcpy_toio static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int count) { memcpy((void __force *) dst, src, count); @@ -556,4 +616,6 @@ extern void (*_dma_cache_inv)(unsigned long start, unsigned long size); void __ioread64_copy(void *to, const void __iomem *from, size_t count); +#include + #endif /* _ASM_IO_H */