From: Stephen Hemminger <shemminger@linux-foundation.org>
Date: Mon, 5 Nov 2007 23:52:08 +0000 (-0800)
Subject: sky2: enable PCI config writes
X-Git-Tag: v2.6.24-rc3~163^2~39
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=ac93a3946b676025fa55356180e8321639744b31;p=~emulex%2Finfiniband.git

sky2: enable PCI config writes

On some boards, PCI configuration space access is turned off by default.
The 2.6.24 driver doesn't turn it on, and should have.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index c27c7d63b6a..4f41a944596 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2791,6 +2791,9 @@ static void sky2_reset(struct sky2_hw *hw)
 	sky2_write8(hw, B0_CTST, CS_RST_SET);
 	sky2_write8(hw, B0_CTST, CS_RST_CLR);
 
+	/* allow writes to PCI config */
+	sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
+
 	/* clear PCI errors, if any */
 	pci_read_config_word(pdev, PCI_STATUS, &status);
 	status |= PCI_STATUS_ERROR_BITS;