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authorshemminger@osdl.org <shemminger@osdl.org>2006-08-28 10:00:52 -0700
committerJeff Garzik <jeff@garzik.org>2006-08-29 17:18:30 -0400
commit98232f85ffd0efc34c462da5ee81516f7432cec2 (patch)
treeb78073dfae9bd9cabc46520f2644172de2050551 /drivers/net
parentd3bcfbeb27a546d02af202353381ddd91ea39b87 (diff)
[PATCH] sky2: pci post bug
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/sky2.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index c941195f0f4..869a45334ff 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -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);
}