Commit 4ff6ac05 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik

[PATCH] skge: phy lock deadlock

Cleanup the phy_lock deadlock because of relocking in the nway_reset path.
Reported by Francois Romieu.

Also, don't need to do irqsave/restore for blink,
just excluding bh is good enough.
Signed-off-by: default avatarStephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 0eedf4ac
......@@ -668,14 +668,13 @@ static void skge_blink_timer(unsigned long data)
{
struct skge_port *skge = (struct skge_port *) data;
struct skge_hw *hw = skge->hw;
unsigned long flags;
spin_lock_irqsave(&hw->phy_lock, flags);
spin_lock_bh(&hw->phy_lock);
if (skge->blink_on)
skge_led_on(hw, skge->port);
else
skge_led_off(hw, skge->port);
spin_unlock_irqrestore(&hw->phy_lock, flags);
spin_unlock_bh(&hw->phy_lock);
skge->blink_on = !skge->blink_on;
mod_timer(&skge->led_blink, jiffies + BLINK_HZ);
......@@ -1208,7 +1207,6 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
* namely for the 1000baseTX cards that use the XMAC's
* GMII mode.
*/
spin_lock_bh(&hw->phy_lock);
/* Take external Phy out of reset */
r = skge_read32(hw, B2_GP_IO);
if (port == 0)
......@@ -1218,7 +1216,6 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
skge_write32(hw, B2_GP_IO, r);
skge_read32(hw, B2_GP_IO);
spin_unlock_bh(&hw->phy_lock);
/* Enable GMII interfac */
xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD);
......@@ -1744,9 +1741,7 @@ static void yukon_mac_init(struct skge_hw *hw, int port)
gma_write16(hw, port, GM_GP_CTRL, reg);
skge_read16(hw, GMAC_IRQ_SRC);
spin_lock_bh(&hw->phy_lock);
yukon_init(hw, port);
spin_unlock_bh(&hw->phy_lock);
/* MIB clear */
reg = gma_read16(hw, port, GM_PHY_ADDR);
......@@ -2096,10 +2091,12 @@ static int skge_up(struct net_device *dev)
skge_write32(hw, B0_IMSK, hw->intr_mask);
/* Initialze MAC */
spin_lock_bh(&hw->phy_lock);
if (hw->chip_id == CHIP_ID_GENESIS)
genesis_mac_init(hw, port);
else
yukon_mac_init(hw, port);
spin_unlock_bh(&hw->phy_lock);
/* Configure RAMbuffers */
chunk = hw->ram_size / ((hw->ports + 1)*2);
......
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