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authorStephen Hemminger <shemminger@linux-foundation.org>2007-06-04 17:23:24 -0700
committerJeff Garzik <jeff@garzik.org>2007-07-08 22:16:42 -0400
commit451af33552286b426940a32126bd3ece243223a3 (patch)
tree9e953434b8e79a0dd0231abe19326de8939a78cb
parentf449c7c10698e49e6c654452f852b1b719273d8a (diff)
sky2: enable clocks before probe
Catch-22: On Yukon EX (88E8071) need to have internal clocks enabled before reading chip id. It is harmless on other chips. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/net/sky2.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 5b3a866a0b1..fbe39d92927 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2519,6 +2519,9 @@ static int __devinit sky2_init(struct sky2_hw *hw)
{
u8 t8;
+ /* Enable all clocks */
+ sky2_pci_write32(hw, PCI_DEV_REG3, 0);
+
sky2_write8(hw, B0_CTST, CS_RST_CLR);
hw->chip_id = sky2_read8(hw, B2_CHIP_ID);
@@ -2532,10 +2535,6 @@ static int __devinit sky2_init(struct sky2_hw *hw)
dev_warn(&hw->pdev->dev, "this driver not yet tested on this chip type\n"
"Please report success or failure to <netdev@vger.kernel.org>\n");
- /* Make sure and enable all clocks */
- if (hw->chip_id == CHIP_ID_YUKON_EX || hw->chip_id == CHIP_ID_YUKON_EC_U)
- sky2_pci_write32(hw, PCI_DEV_REG3, 0);
-
hw->chip_rev = (sky2_read8(hw, B2_MAC_CFG) & CFG_CHIP_R_MSK) >> 4;
/* This rev is really old, and requires untested workarounds */