On Wed, 2012-10-17 at 16:45 +0100, Will Deacon wrote: > The {in,out}s{b,w,l} functions are designed to operate on a stream of > bytes and therefore should not perform any byte-swapping, regardless of > the CPU byte order. > > This patch fixes the generic IO header so that {in,out}s{b,w,l} call > the __raw_{read,write} functions directly rather than going via the > endian-correcting accessors. > > Cc: Mike Frysinger <vapier@xxxxxxxxxx> Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > Acked-by: Arnd Bergmann <arnd@xxxxxxxx> > Signed-off-by: Will Deacon <will.deacon@xxxxxxx> > --- > include/asm-generic/io.h | 12 ++++++------ > 1 files changed, 6 insertions(+), 6 deletions(-) > > diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h > index 3607921..403b861 100644 > --- a/include/asm-generic/io.h > +++ b/include/asm-generic/io.h > @@ -148,7 +148,7 @@ static inline void insb(unsigned long addr, void *buffer, int count) > if (count) { > u8 *buf = buffer; > do { > - u8 x = inb(addr); > + u8 x = __raw_readb(addr + PCI_IOBASE); > *buf++ = x; > } while (--count); > } > @@ -161,7 +161,7 @@ static inline void insw(unsigned long addr, void *buffer, int count) > if (count) { > u16 *buf = buffer; > do { > - u16 x = inw(addr); > + u16 x = __raw_readw(addr + PCI_IOBASE); > *buf++ = x; > } while (--count); > } > @@ -174,7 +174,7 @@ static inline void insl(unsigned long addr, void *buffer, int count) > if (count) { > u32 *buf = buffer; > do { > - u32 x = inl(addr); > + u32 x = __raw_readl(addr + PCI_IOBASE); > *buf++ = x; > } while (--count); > } > @@ -187,7 +187,7 @@ static inline void outsb(unsigned long addr, const void *buffer, int count) > if (count) { > const u8 *buf = buffer; > do { > - outb(*buf++, addr); > + __raw_writeb(*buf++, addr + PCI_IOBASE); > } while (--count); > } > } > @@ -199,7 +199,7 @@ static inline void outsw(unsigned long addr, const void *buffer, int count) > if (count) { > const u16 *buf = buffer; > do { > - outw(*buf++, addr); > + __raw_writew(*buf++, addr + PCI_IOBASE); > } while (--count); > } > } > @@ -211,7 +211,7 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) > if (count) { > const u32 *buf = buffer; > do { > - outl(*buf++, addr); > + __raw_writel(*buf++, addr + PCI_IOBASE); > } while (--count); > } > } -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html