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Subject[PATCH v3 4/5] io: change outX() to have their own IO barrier overrides
Date
Open code writeX() inside outX() so that outX() variants have their own
overrideable Port IO barrier combinations as __io_pbw() and __io_paw() for
actions to be taken before port IO and after port IO write.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
---
include/asm-generic/io.h | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index ca268d9..38a96d1 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -456,7 +456,9 @@ static inline u32 inl(unsigned long addr)
#define outb outb
static inline void outb(u8 value, unsigned long addr)
{
- writeb(value, PCI_IOBASE + addr);
+ __io_pbw();
+ __raw_writeb(value, PCI_IOBASE + addr);
+ __io_paw();
}
#endif

@@ -464,7 +466,9 @@ static inline void outb(u8 value, unsigned long addr)
#define outw outw
static inline void outw(u16 value, unsigned long addr)
{
- writew(value, PCI_IOBASE + addr);
+ __io_pbw();
+ __raw_writew(cpu_to_le16(value), PCI_IOBASE + addr);
+ __io_paw();
}
#endif

@@ -472,7 +476,9 @@ static inline void outw(u16 value, unsigned long addr)
#define outl outl
static inline void outl(u32 value, unsigned long addr)
{
- writel(value, PCI_IOBASE + addr);
+ __io_pbw();
+ __raw_writel(cpu_to_le32(value), PCI_IOBASE + addr);
+ __io_paw();
}
#endif

--
2.7.4
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