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kernel
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linux
[ARM] EBSA110: Add readsw/readsl/writesw/writesl
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
authored by
Russell King
and committed by
Russell King
27350afd
7ab3f8d5
+48
+40
arch/arm/mach-ebsa110/io.c
+40
arch/arm/mach-ebsa110/io.c
···
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EXPORT_SYMBOL(__readw);
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EXPORT_SYMBOL(__readl);
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void readsw(void __iomem *addr, void *data, int len)
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{
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void __iomem *a = __isamem_convert_addr(addr);
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BUG_ON((unsigned long)addr & 1);
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__raw_readsw(a, data, len);
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}
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EXPORT_SYMBOL(readsw);
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void readsl(void __iomem *addr, void *data, int len)
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{
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void __iomem *a = __isamem_convert_addr(addr);
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BUG_ON((unsigned long)addr & 3);
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__raw_readsl(a, data, len);
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}
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EXPORT_SYMBOL(readsl);
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void __writeb(u8 val, void __iomem *addr)
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{
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void __iomem *a = __isamem_convert_addr(addr);
···
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EXPORT_SYMBOL(__writeb);
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EXPORT_SYMBOL(__writew);
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EXPORT_SYMBOL(__writel);
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void writesw(void __iomem *addr, void *data, int len)
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{
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void __iomem *a = __isamem_convert_addr(addr);
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BUG_ON((unsigned long)addr & 1);
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__raw_writesw(a, data, len);
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}
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EXPORT_SYMBOL(writesw);
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void writesl(void __iomem *addr, void *data, int len)
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{
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void __iomem *a = __isamem_convert_addr(addr);
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BUG_ON((unsigned long)addr & 3);
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__raw_writesl(a, data, len);
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}
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EXPORT_SYMBOL(writesl);
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#define SUPERIO_PORT(p) \
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(((p) >> 3) == (0x3f8 >> 3) || \
+8
include/asm-arm/arch-ebsa110/io.h
+8
include/asm-arm/arch-ebsa110/io.h
···
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extern void outsw(unsigned int port, const void *buf, int sz);
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extern void outsl(unsigned int port, const void *buf, int sz);
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/* can't support writesb atm */
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extern void writesw(void __iomem *addr, const void *data, int wordlen);
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extern void writesl(void __iomem *addr, const void *data, int longlen);
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/* can't support readsb atm */
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extern void readsw(const void __iomem *addr, void *data, int wordlen);
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extern void readsl(const void __iomem *addr, void *data, int longlen);
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#endif