redonkable/alistair23-linux
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[PATCH] sky2: pci post bug

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Make sure that PCI write occurs before the delay.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
shemminger@osdl.org 2006-08-28 10:00:52 -07:00 committed by Jeff Garzik
parent d3bcfbeb27
commit 98232f85ff
1 changed files with 4 additions and 2 deletions
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6
drivers/net/sky2.c
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@ -531,6 +531,7 @@ static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff)
reg1 |= phy_power[port];
sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
sky2_pci_read32(hw, PCI_DEV_REG1);
udelay(100);
}
@ -766,9 +767,10 @@ static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2)
/* Update chip's next pointer */
static inline void sky2_put_idx(struct sky2_hw *hw, unsigned q, u16 idx)
{
q = Y2_QADDR(q, PREF_UNIT_PUT_IDX);
wmb();
sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx);
mmiowb();
sky2_write16(hw, q, idx);
sky2_read16(hw, q);
}