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authorLinus Torvalds <torvalds@linux-foundation.org>2009-11-30 14:01:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-11-30 14:01:36 -0800
commitcd79bf7b1c061752dbee723bccf60c85d6c2d45d (patch)
treebc892e172aa64aa80b087767dfce767559ae4795 /drivers/net/e1000e/phy.c
parentd0964c37b539c2b76752b1ff8b0a618c5f82f077 (diff)
parent0cae200eec6330cd2c20b24279597be1da50dc93 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (42 commits) b44: Fix wedge when using netconsole. wan: cosa: drop chan->wsem on error path ep93xx-eth: check for zero MAC address on probe, not on device open NET: smc91x: Fix irq flags smsc9420: prevent BUG() if ethtool is called with interface down r8169: restore mac addr in rtl8169_remove_one and rtl_shutdown ipv4: additional update of dev_net(dev) to struct *net in ip_fragment.c, NULL ptr OOPS e100: Use pci pool to work around GFP_ATOMIC order 5 memory allocation failure sctp: on T3_RTX retransmit all the in-flight chunks pktgen: Fix netdevice unregister macvlan: fix gso_max_size setting rfkill: fix miscdev ops ath9k: set ps_default as false hso: fix soft-lockup hso: fix debug routines pktgen: Fix device name compares stmmac: do not fail when the timer cannot be used. stmmac: fixed a compilation error when use the external timer netfilter: xt_limit: fix invalid return code in limit_mt_check() Au1x00: fix crash when trying register_netdev() ...
Diffstat (limited to 'drivers/net/e1000e/phy.c')
-rw-r--r--drivers/net/e1000e/phy.c56
1 files changed, 22 insertions, 34 deletions
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 03175b3a2c9e..85f955f70417 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -71,7 +71,6 @@ static const u16 e1000_igp_2_cable_length_table[] =
#define I82577_CFG_ASSERT_CRS_ON_TX (1 << 15)
#define I82577_CFG_ENABLE_DOWNSHIFT (3 << 10) /* auto downshift 100/10 */
#define I82577_CTRL_REG 23
-#define I82577_CTRL_DOWNSHIFT_MASK (7 << 10)
/* 82577 specific PHY registers */
#define I82577_PHY_CTRL_2 18
@@ -660,15 +659,6 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
ret_val = phy->ops.write_phy_reg(hw, I82577_CFG_REG, phy_data);
- if (ret_val)
- goto out;
-
- /* Set number of link attempts before downshift */
- ret_val = phy->ops.read_phy_reg(hw, I82577_CTRL_REG, &phy_data);
- if (ret_val)
- goto out;
- phy_data &= ~I82577_CTRL_DOWNSHIFT_MASK;
- ret_val = phy->ops.write_phy_reg(hw, I82577_CTRL_REG, phy_data);
out:
return ret_val;
@@ -2658,19 +2648,18 @@ static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
page = 0;
if (reg > MAX_PHY_MULTI_PAGE_REG) {
- if ((hw->phy.type != e1000_phy_82578) ||
- ((reg != I82578_ADDR_REG) &&
- (reg != I82578_ADDR_REG + 1))) {
- u32 phy_addr = hw->phy.addr;
+ u32 phy_addr = hw->phy.addr;
- hw->phy.addr = 1;
+ hw->phy.addr = 1;
- /* Page is shifted left, PHY expects (page x 32) */
- ret_val = e1000e_write_phy_reg_mdic(hw,
- IGP01E1000_PHY_PAGE_SELECT,
- (page << IGP_PAGE_SHIFT));
- hw->phy.addr = phy_addr;
- }
+ /* Page is shifted left, PHY expects (page x 32) */
+ ret_val = e1000e_write_phy_reg_mdic(hw,
+ IGP01E1000_PHY_PAGE_SELECT,
+ (page << IGP_PAGE_SHIFT));
+ hw->phy.addr = phy_addr;
+
+ if (ret_val)
+ goto out;
}
ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
@@ -2678,7 +2667,7 @@ static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
out:
/* Revert to MDIO fast mode, if applicable */
if ((hw->phy.type == e1000_phy_82577) && in_slow_mode)
- ret_val = e1000_set_mdio_slow_mode_hv(hw, false);
+ ret_val |= e1000_set_mdio_slow_mode_hv(hw, false);
if (!locked)
hw->phy.ops.release_phy(hw);
@@ -2784,19 +2773,18 @@ static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
}
if (reg > MAX_PHY_MULTI_PAGE_REG) {
- if ((hw->phy.type != e1000_phy_82578) ||
- ((reg != I82578_ADDR_REG) &&
- (reg != I82578_ADDR_REG + 1))) {
- u32 phy_addr = hw->phy.addr;
+ u32 phy_addr = hw->phy.addr;
- hw->phy.addr = 1;
+ hw->phy.addr = 1;
- /* Page is shifted left, PHY expects (page x 32) */
- ret_val = e1000e_write_phy_reg_mdic(hw,
- IGP01E1000_PHY_PAGE_SELECT,
- (page << IGP_PAGE_SHIFT));
- hw->phy.addr = phy_addr;
- }
+ /* Page is shifted left, PHY expects (page x 32) */
+ ret_val = e1000e_write_phy_reg_mdic(hw,
+ IGP01E1000_PHY_PAGE_SELECT,
+ (page << IGP_PAGE_SHIFT));
+ hw->phy.addr = phy_addr;
+
+ if (ret_val)
+ goto out;
}
ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
@@ -2805,7 +2793,7 @@ static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
out:
/* Revert to MDIO fast mode, if applicable */
if ((hw->phy.type == e1000_phy_82577) && in_slow_mode)
- ret_val = e1000_set_mdio_slow_mode_hv(hw, false);
+ ret_val |= e1000_set_mdio_slow_mode_hv(hw, false);
if (!locked)
hw->phy.ops.release_phy(hw);