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: 167f53d05f

Please apply for 2.6.24

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger
2007-11-27 10:57:27 -08:00
committed by Jeff Garzik
parent e0348b9ae5
commit b32f40c485
2 changed files with 56 additions and 38 deletions

View File

@@ -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