net: Add missing TST_CFG_WRITE bits around sky2_pci_write

Add missing TST_CFG_WRITE bits around sky2_pci_write*() in Optima
setup routines.  Without the cfg-write bits, the driver may spew endless
link-up messages through qlink irq.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 050e6b58d4f9..013c9f52ceaa 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2152,7 +2152,9 @@ static void sky2_qlink_intr(struct sky2_hw *hw)
 
         /* reset PHY Link Detect */
         phy = sky2_pci_read16(hw, PSM_CONFIG_REG4);
+        sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
         sky2_pci_write16(hw, PSM_CONFIG_REG4, phy | 1);
+        sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
 
         sky2_link_up(sky2);
 }
@@ -3082,6 +3084,7 @@ static void sky2_reset(struct sky2_hw *hw)
                 reg <<= PSM_CONFIG_REG4_TIMER_PHY_LINK_DETECT_BASE;
 
                 /* reset PHY Link Detect */
+                sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
                 sky2_pci_write16(hw, PSM_CONFIG_REG4,
                                  reg | PSM_CONFIG_REG4_RST_PHY_LINK_DETECT);
                 sky2_pci_write16(hw, PSM_CONFIG_REG4, reg);
@@ -3099,6 +3102,7 @@ static void sky2_reset(struct sky2_hw *hw)
                         /* restore the PCIe Link Control register */
                         sky2_pci_write16(hw, cap + PCI_EXP_LNKCTL, reg);
                 }
+                sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
 
                 /* re-enable PEX PM in PEX PHY debug reg. 8 (clear bit 12) */
                 sky2_write32(hw, Y2_PEX_PHY_DATA, PEX_DB_ACCESS | (0x08UL << 16));