Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) mlx4 driver bug fixes (TX queue wakeups, csum complete indications)
    from Ido Shamay, Eran Ben Elisha, and Or Gerlitz.

 2) Missing unlock in error path of PTP support in renesas driver, from
    Dan Carpenter.

 3) Add Vitesse 8641 phy IDs to vitesse PHY driver, from Shaohui Xie.

 4) Bnx2x driver bug fixes (linearization of encap packets, scratchpad
    parity error notifications, flow-control and speed settings) from
    Yuval Mintz, Manish Chopra, Shahed Shaikh, and Ariel Elior.

 5) ipv6 extension header parsing in the igb chip has a HW errata,
    disable it.  Frm Todd Fujinaka.

 6) Fix PCI link state locking issue in e1000e driver, from Yanir
    Lubetkin.

 7) Cure panics during MTU change in i40e, from Mitch Williams.

 8) Don't leak promisc refs in DSA slave driver, from Gilad Ben-Yossef.

 9) Add missing HAS_DMA dep to VIA Rhine driver, from Geery
    Uytterhoeven.

10) Make sure DMA map/unmap calls are symmetric in bnx2x driver, from
    Michal Schmidt.

11) Workaround for MDIO access problems in bcm7xxx devices, from FLorian
    Fainelli.

12) Fix races in SCTP protocol between OTTB responses and route
    removals, from Alexander Sverdlin.

13) Fix jumbo frame checksum issue with some mvneta devices, from Simon
    Guinot.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (58 commits)
  sock_diag: don't broadcast kernel sockets
  net: mvneta: disable IP checksum with jumbo frames for Armada 370
  ARM: mvebu: update Ethernet compatible string for Armada XP
  net: mvneta: introduce compatible string "marvell, armada-xp-neta"
  api: fix compatibility of linux/in.h with netinet/in.h
  net: icplus: fix typo in constant name
  sis900: Trivial: Fix typos in enums
  stmmac: Trivial: fix typo in constant name
  sctp: Fix race between OOTB responce and route removal
  net-Liquidio: Delete unnecessary checks before the function call "vfree"
  vmxnet3: Bump up driver version number
  amd-xgbe: Add the __GFP_NOWARN flag to Rx buffer allocation
  net: phy: mdio-bcm-unimac: workaround initial read failures for integrated PHYs
  net: bcmgenet: workaround initial read failures for integrated PHYs
  net: phy: bcm7xxx: workaround MDIO management controller initial read
  bnx2x: fix DMA API usage
  net: via: VIA_RHINE and VIA_VELOCITY should depend on HAS_DMA
  net/phy: tune get_phy_c45_ids to support more c45 phy
  bnx2x: fix lockdep splat
  net: fec: don't access RACC register when not available
  ...

1 files changed, 34 insertions, 4 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index e62b9dcb91fe..89d788d8f263 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -6354,13 +6354,14 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
 }
 
 /**
- * e1000e_disable_aspm - Disable ASPM states
+ * __e1000e_disable_aspm - Disable ASPM states
  * @pdev: pointer to PCI device struct
  * @state: bit-mask of ASPM states to disable
+ * @locked: indication if this context holds pci_bus_sem locked.
  *
  * Some devices *must* have certain ASPM states disabled per hardware errata.
  **/
-static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
+static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state, int locked)
 {
 	struct pci_dev *parent = pdev->bus->self;
 	u16 aspm_dis_mask = 0;
@@ -6399,7 +6400,10 @@ static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
 		 "L1" : "");
 
 #ifdef CONFIG_PCIEASPM
-	pci_disable_link_state_locked(pdev, state);
+	if (locked)
+		pci_disable_link_state_locked(pdev, state);
+	else
+		pci_disable_link_state(pdev, state);
 
 	/* Double-check ASPM control.  If not disabled by the above, the
 	 * BIOS is preventing that from happening (or CONFIG_PCIEASPM is
@@ -6422,6 +6426,32 @@ static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
 					   aspm_dis_mask);
 }
 
+/**
+ * e1000e_disable_aspm - Disable ASPM states.
+ * @pdev: pointer to PCI device struct
+ * @state: bit-mask of ASPM states to disable
+ *
+ * This function acquires the pci_bus_sem!
+ * Some devices *must* have certain ASPM states disabled per hardware errata.
+ **/
+static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
+{
+	__e1000e_disable_aspm(pdev, state, 0);
+}
+
+/**
+ * e1000e_disable_aspm_locked   Disable ASPM states.
+ * @pdev: pointer to PCI device struct
+ * @state: bit-mask of ASPM states to disable
+ *
+ * This function must be called with pci_bus_sem acquired!
+ * Some devices *must* have certain ASPM states disabled per hardware errata.
+ **/
+static void e1000e_disable_aspm_locked(struct pci_dev *pdev, u16 state)
+{
+	__e1000e_disable_aspm(pdev, state, 1);
+}
+
 #ifdef CONFIG_PM
 static int __e1000_resume(struct pci_dev *pdev)
 {
@@ -6435,7 +6465,7 @@ static int __e1000_resume(struct pci_dev *pdev)
 	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
 		aspm_disable_flag |= PCIE_LINK_STATE_L1;
 	if (aspm_disable_flag)
-		e1000e_disable_aspm(pdev, aspm_disable_flag);
+		e1000e_disable_aspm_locked(pdev, aspm_disable_flag);
 
 	pci_set_master(pdev);