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authorDavid S. Miller <davem@davemloft.net>2019-04-05 14:14:19 -0700
committerDavid S. Miller <davem@davemloft.net>2019-04-05 14:14:19 -0700
commitf83f7151950dd9e0f6b4a1a405bf5e55c5294e4d (patch)
treef8d9d8ee821fcc9f0a8e1a8679bc622219c70e3b /drivers/net/ethernet/intel/igb
parentMerge branch 'tipc-improve-TIPC-unicast-link-throughput' (diff)
parentMerge tag 'mm-compaction-5.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux (diff)
downloadlinux-dev-f83f7151950dd9e0f6b4a1a405bf5e55c5294e4d.tar.xz
linux-dev-f83f7151950dd9e0f6b4a1a405bf5e55c5294e4d.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor comment merge conflict in mlx5. Staging driver has a fixup due to the skb->xmit_more changes in 'net-next', but was removed in 'net'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/igb')
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_defines.h2
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c57
2 files changed, 10 insertions, 49 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h
index 01fcfc6f3415..d2e2c50ce257 100644
--- a/drivers/net/ethernet/intel/igb/e1000_defines.h
+++ b/drivers/net/ethernet/intel/igb/e1000_defines.h
@@ -194,6 +194,8 @@
/* enable link status from external LINK_0 and LINK_1 pins */
#define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */
#define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */
+#define E1000_CTRL_ADVD3WUC 0x00100000 /* D3 WUC */
+#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 /* PHY PM enable */
#define E1000_CTRL_SDP0_DIR 0x00400000 /* SDP0 Data direction */
#define E1000_CTRL_SDP1_DIR 0x00800000 /* SDP1 Data direction */
#define E1000_CTRL_RST 0x04000000 /* Global reset */
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 32d61d5a2706..acbb5b4f333d 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -8743,9 +8743,7 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake,
struct e1000_hw *hw = &adapter->hw;
u32 ctrl, rctl, status;
u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
-#ifdef CONFIG_PM
- int retval = 0;
-#endif
+ bool wake;
rtnl_lock();
netif_device_detach(netdev);
@@ -8758,14 +8756,6 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake,
igb_clear_interrupt_scheme(adapter);
rtnl_unlock();
-#ifdef CONFIG_PM
- if (!runtime) {
- retval = pci_save_state(pdev);
- if (retval)
- return retval;
- }
-#endif
-
status = rd32(E1000_STATUS);
if (status & E1000_STATUS_LU)
wufc &= ~E1000_WUFC_LNKC;
@@ -8782,10 +8772,6 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake,
}
ctrl = rd32(E1000_CTRL);
- /* advertise wake from D3Cold */
- #define E1000_CTRL_ADVD3WUC 0x00100000
- /* phy power management enable */
- #define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
ctrl |= E1000_CTRL_ADVD3WUC;
wr32(E1000_CTRL, ctrl);
@@ -8799,12 +8785,15 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake,
wr32(E1000_WUFC, 0);
}
- *enable_wake = wufc || adapter->en_mng_pt;
- if (!*enable_wake)
+ wake = wufc || adapter->en_mng_pt;
+ if (!wake)
igb_power_down_link(adapter);
else
igb_power_up_link(adapter);
+ if (enable_wake)
+ *enable_wake = wake;
+
/* Release control of h/w to f/w. If f/w is AMT enabled, this
* would have already happened in close and is redundant.
*/
@@ -8847,22 +8836,7 @@ static void igb_deliver_wake_packet(struct net_device *netdev)
static int __maybe_unused igb_suspend(struct device *dev)
{
- int retval;
- bool wake;
- struct pci_dev *pdev = to_pci_dev(dev);
-
- retval = __igb_shutdown(pdev, &wake, 0);
- if (retval)
- return retval;
-
- if (wake) {
- pci_prepare_to_sleep(pdev);
- } else {
- pci_wake_from_d3(pdev, false);
- pci_set_power_state(pdev, PCI_D3hot);
- }
-
- return 0;
+ return __igb_shutdown(to_pci_dev(dev), NULL, 0);
}
static int __maybe_unused igb_resume(struct device *dev)
@@ -8933,22 +8907,7 @@ static int __maybe_unused igb_runtime_idle(struct device *dev)
static int __maybe_unused igb_runtime_suspend(struct device *dev)
{
- struct pci_dev *pdev = to_pci_dev(dev);
- int retval;
- bool wake;
-
- retval = __igb_shutdown(pdev, &wake, 1);
- if (retval)
- return retval;
-
- if (wake) {
- pci_prepare_to_sleep(pdev);
- } else {
- pci_wake_from_d3(pdev, false);
- pci_set_power_state(pdev, PCI_D3hot);
- }
-
- return 0;
+ return __igb_shutdown(to_pci_dev(dev), NULL, 1);
}
static int __maybe_unused igb_runtime_resume(struct device *dev)