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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-11-27 10:57:27 -0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-12-01 16:32:31 -0500 |
| commit | b32f40c4853cdbe3d722a959fb0dd1ea048b50d0 (patch) | |
| tree | 9c7f4ba709fe8f96ef1ff3280b91bf073f859520 /drivers/net/sky2.h | |
| parent | e0348b9ae5374f9a24424ae680bcd80724415f60 (diff) | |
| download | linux-b32f40c4853cdbe3d722a959fb0dd1ea048b50d0.tar.gz linux-b32f40c4853cdbe3d722a959fb0dd1ea048b50d0.tar.bz2 linux-b32f40c4853cdbe3d722a959fb0dd1ea048b50d0.zip | |
sky2: revert to access PCI config via device space
Using the hardware window into PCI config space is more reliable
and smaller/faster than using the pci_config routines. It avoids issues
with MMCONFIG etc.
Reverts: 167f53d05fccb47b6eeadac7f6705b3f2f042d03
Please apply for 2.6.24
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/sky2.h')
| -rw-r--r-- | drivers/net/sky2.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index 69525fd7908d..bc646a47edd2 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -2128,4 +2128,25 @@ static inline void gma_set_addr(struct sky2_hw *hw, unsigned port, unsigned reg, gma_write16(hw, port, reg+4,(u16) addr[2] | ((u16) addr[3] << 8)); gma_write16(hw, port, reg+8,(u16) addr[4] | ((u16) addr[5] << 8)); } + +/* PCI config space access */ +static inline u32 sky2_pci_read32(const struct sky2_hw *hw, unsigned reg) +{ + return sky2_read32(hw, Y2_CFG_SPC + reg); +} + +static inline u16 sky2_pci_read16(const struct sky2_hw *hw, unsigned reg) +{ + return sky2_read16(hw, Y2_CFG_SPC + reg); +} + +static inline void sky2_pci_write32(struct sky2_hw *hw, unsigned reg, u32 val) +{ + sky2_write32(hw, Y2_CFG_SPC + reg, val); +} + +static inline void sky2_pci_write16(struct sky2_hw *hw, unsigned reg, u16 val) +{ + sky2_write16(hw, Y2_CFG_SPC + reg, val); +} #endif |