Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
powerpc/io: Use generic raw accessors
The raw accessors are identical to the generic versions, use the generic
versions.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20241218105523.416573-16-mpe@ellerman.id.au
authored by
Michael Ellerman
and committed by
Madhavan Srinivasan
0305292f
c051451b
+9
-59
+9
-59
arch/powerpc/include/asm/io.h
+9
-59
arch/powerpc/include/asm/io.h
···
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#define _IO_PORT(port) ((volatile void __iomem *)(_IO_BASE + (port)))
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/*
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* Non ordered and non-swapping "raw" accessors
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*/
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static inline unsigned char __raw_readb(const volatile void __iomem *addr)
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{
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return *(volatile unsigned char __force *)addr;
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}
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#define __raw_readb __raw_readb
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static inline unsigned short __raw_readw(const volatile void __iomem *addr)
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{
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return *(volatile unsigned short __force *)addr;
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}
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#define __raw_readw __raw_readw
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static inline unsigned int __raw_readl(const volatile void __iomem *addr)
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{
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return *(volatile unsigned int __force *)addr;
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}
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#define __raw_readl __raw_readl
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static inline void __raw_writeb(unsigned char v, volatile void __iomem *addr)
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{
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*(volatile unsigned char __force *)addr = v;
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}
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#define __raw_writeb __raw_writeb
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static inline void __raw_writew(unsigned short v, volatile void __iomem *addr)
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{
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*(volatile unsigned short __force *)addr = v;
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}
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#define __raw_writew __raw_writew
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static inline void __raw_writel(unsigned int v, volatile void __iomem *addr)
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{
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*(volatile unsigned int __force *)addr = v;
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}
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#define __raw_writel __raw_writel
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#ifdef __powerpc64__
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static inline unsigned long __raw_readq(const volatile void __iomem *addr)
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{
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return *(volatile unsigned long __force *)addr;
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}
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#define __raw_readq __raw_readq
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static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr)
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{
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*(volatile unsigned long __force *)addr = v;
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}
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#define __raw_writeq __raw_writeq
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static inline void __raw_writeq_be(unsigned long v, volatile void __iomem *addr)
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{
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__raw_writeq((__force unsigned long)cpu_to_be64(v), addr);
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}
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#define __raw_writeq_be __raw_writeq_be
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/*
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* Real mode versions of the above. Those instructions are only supposed
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* Real mode versions of raw accessors. Those instructions are only supposed
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* to be used in hypervisor real mode as per the architecture spec.
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*/
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static inline void __raw_rm_writeb(u8 val, volatile void __iomem *paddr)
···
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#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
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#include <asm-generic/io.h>
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#ifdef __powerpc64__
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static inline void __raw_writeq_be(unsigned long v, volatile void __iomem *addr)
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{
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__raw_writeq((__force unsigned long)cpu_to_be64(v), addr);
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}
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#define __raw_writeq_be __raw_writeq_be
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#endif // __powerpc64__
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#endif /* __KERNEL__ */
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