Merge tag 'pci-v4.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

  - add sysfs max_link_speed/width, current_link_speed/width (Wong Vee
    Khee)

  - make host bridge IRQ mapping much more generic (Matthew Minter,
    Lorenzo Pieralisi)

  - convert most drivers to pci_scan_root_bus_bridge() (Lorenzo
    Pieralisi)

  - mutex sriov_configure() (Jakub Kicinski)

  - mutex pci_error_handlers callbacks (Christoph Hellwig)

  - split ->reset_notify() into ->reset_prepare()/reset_done()
    (Christoph Hellwig)

  - support multiple PCIe portdrv interrupts for MSI as well as MSI-X
    (Gabriele Paoloni)

  - allocate MSI/MSI-X vector for Downstream Port Containment (Gabriele
    Paoloni)

  - fix MSI IRQ affinity pre/post/min_vecs issue (Michael Hernandez)

  - test INTx masking during enumeration, not at run-time (Piotr Gregor)

  - avoid using device_may_wakeup() for runtime PM (Rafael J. Wysocki)

  - restore the status of PCI devices across hibernation (Chen Yu)

  - keep parent resources that start at 0x0 (Ard Biesheuvel)

  - enable ECRC only if device supports it (Bjorn Helgaas)

  - restore PRI and PASID state after Function-Level Reset (CQ Tang)

  - skip DPC event if device is not present (Keith Busch)

  - check domain when matching SMBIOS info (Sujith Pandel)

  - mark Intel XXV710 NIC INTx masking as broken (Alex Williamson)

  - avoid AMD SB7xx EHCI USB wakeup defect (Kai-Heng Feng)

  - work around long-standing Macbook Pro poweroff issue (Bjorn Helgaas)

  - add Switchtec "running" status flag (Logan Gunthorpe)

  - fix dra7xx incorrect RW1C IRQ register usage (Arvind Yadav)

  - modify xilinx-nwl IRQ chip for legacy interrupts (Bharat Kumar
    Gogada)

  - move VMD SRCU cleanup after bus, child device removal (Jon Derrick)

  - add Faraday clock handling (Linus Walleij)

  - configure Rockchip MPS and reorganize (Shawn Lin)

  - limit Qualcomm TLP size to 2K (hardware issue) (Srinivas Kandagatla)

  - support Tegra MSI 64-bit addressing (Thierry Reding)

  - use Rockchip normal (not privileged) register bank (Shawn Lin)

  - add HiSilicon Kirin SoC PCIe controller driver (Xiaowei Song)

  - add Sigma Designs Tango SMP8759 PCIe controller driver (Marc
    Gonzalez)

  - add MediaTek PCIe host controller support (Ryder Lee)

  - add Qualcomm IPQ4019 support (John Crispin)

  - add HyperV vPCI protocol v1.2 support (Jork Loeser)

  - add i.MX6 regulator support (Quentin Schulz)

* tag 'pci-v4.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (113 commits)
  PCI: tango: Add Sigma Designs Tango SMP8759 PCIe host bridge support
  PCI: Add DT binding for Sigma Designs Tango PCIe controller
  PCI: rockchip: Use normal register bank for config accessors
  dt-bindings: PCI: Add documentation for MediaTek PCIe
  PCI: Remove __pci_dev_reset() and pci_dev_reset()
  PCI: Split ->reset_notify() method into ->reset_prepare() and ->reset_done()
  PCI: xilinx: Make of_device_ids const
  PCI: xilinx-nwl: Modify IRQ chip for legacy interrupts
  PCI: vmd: Move SRCU cleanup after bus, child device removal
  PCI: vmd: Correct comment: VMD domains start at 0x10000, not 0x1000
  PCI: versatile: Add local struct device pointers
  PCI: tegra: Do not allocate MSI target memory
  PCI: tegra: Support MSI 64-bit addressing
  PCI: rockchip: Use local struct device pointer consistently
  PCI: rockchip: Check for clk_prepare_enable() errors during resume
  MAINTAINERS: Remove Wenrui Li as Rockchip PCIe driver maintainer
  PCI: rockchip: Configure RC's MPS setting
  PCI: rockchip: Reconfigure configuration space header type
  PCI: rockchip: Split out rockchip_pcie_cfg_configuration_accesses()
  PCI: rockchip: Move configuration accesses into rockchip_pcie_cfg_atu()
  ...

2 files changed, 55 insertions, 52 deletions

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
index 3e26d27..6378457 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
@@ -2348,30 +2348,19 @@ static void fm10k_io_resume(struct pci_dev *pdev)
 		netif_device_attach(netdev);
 }
 
-/**
- * fm10k_io_reset_notify - called when PCI function is reset
- * @pdev: Pointer to PCI device
- *
- * This callback is called when the PCI function is reset such as from
- * /sys/class/net/<enpX>/device/reset or similar. When prepare is true, it
- * means we should prepare for a function reset. If prepare is false, it means
- * the function reset just occurred.
- */
-static void fm10k_io_reset_notify(struct pci_dev *pdev, bool prepare)
+static void fm10k_io_reset_prepare(struct pci_dev *pdev)
 {
-	struct fm10k_intfc *interface = pci_get_drvdata(pdev);
-	int err = 0;
-
-	if (prepare) {
-		/* warn incase we have any active VF devices */
-		if (pci_num_vf(pdev))
-			dev_warn(&pdev->dev,
-				 "PCIe FLR may cause issues for any active VF devices\n");
+	/* warn incase we have any active VF devices */
+	if (pci_num_vf(pdev))
+		dev_warn(&pdev->dev,
+			 "PCIe FLR may cause issues for any active VF devices\n");
+	fm10k_prepare_suspend(pci_get_drvdata(pdev));
+}
 
-		fm10k_prepare_suspend(interface);
-	} else {
-		err = fm10k_handle_resume(interface);
-	}
+static void fm10k_io_reset_done(struct pci_dev *pdev)
+{
+	struct fm10k_intfc *interface = pci_get_drvdata(pdev);
+	int err = fm10k_handle_resume(interface);
 
 	if (err) {
 		dev_warn(&pdev->dev,
@@ -2384,7 +2373,8 @@ static const struct pci_error_handlers fm10k_err_handler = {
 	.error_detected = fm10k_io_error_detected,
 	.slot_reset = fm10k_io_slot_reset,
 	.resume = fm10k_io_resume,
-	.reset_notify = fm10k_io_reset_notify,
+	.reset_prepare = fm10k_io_reset_prepare,
+	.reset_done = fm10k_io_reset_done,
 };
 
 static struct pci_driver fm10k_driver = {
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index b53ecf1..21f2201 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -346,11 +346,13 @@ static const struct pci_device_id mwifiex_ids[] = {
 
 MODULE_DEVICE_TABLE(pci, mwifiex_ids);
 
-static void mwifiex_pcie_reset_notify(struct pci_dev *pdev, bool prepare)
+/*
+ * Cleanup all software without cleaning anything related to PCIe and HW.
+ */
+static void mwifiex_pcie_reset_prepare(struct pci_dev *pdev)
 {
 	struct pcie_service_card *card = pci_get_drvdata(pdev);
 	struct mwifiex_adapter *adapter = card->adapter;
-	int ret;
 
 	if (!adapter) {
 		dev_err(&pdev->dev, "%s: adapter structure is not valid\n",
@@ -359,35 +361,46 @@ static void mwifiex_pcie_reset_notify(struct pci_dev *pdev, bool prepare)
 	}
 
 	mwifiex_dbg(adapter, INFO,
-		    "%s: vendor=0x%4.04x device=0x%4.04x rev=%d %s\n",
-		    __func__, pdev->vendor, pdev->device,
-		    pdev->revision,
-		    prepare ? "Pre-FLR" : "Post-FLR");
-
-	if (prepare) {
-		/* Kernel would be performing FLR after this notification.
-		 * Cleanup all software without cleaning anything related to
-		 * PCIe and HW.
-		 */
-		mwifiex_shutdown_sw(adapter);
-		clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
-		clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
-	} else {
-		/* Kernel stores and restores PCIe function context before and
-		 * after performing FLR respectively. Reconfigure the software
-		 * and firmware including firmware redownload
-		 */
-		ret = mwifiex_reinit_sw(adapter);
-		if (ret) {
-			dev_err(&pdev->dev, "reinit failed: %d\n", ret);
-			return;
-		}
-	}
+		    "%s: vendor=0x%4.04x device=0x%4.04x rev=%d Pre-FLR\n",
+		    __func__, pdev->vendor, pdev->device, pdev->revision);
+
+	mwifiex_shutdown_sw(adapter);
+	clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
+	clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
 	mwifiex_dbg(adapter, INFO, "%s, successful\n", __func__);
 }
 
-static const struct pci_error_handlers mwifiex_pcie_err_handler[] = {
-		{ .reset_notify = mwifiex_pcie_reset_notify, },
+/*
+ * Kernel stores and restores PCIe function context before and after performing
+ * FLR respectively. Reconfigure the software and firmware including firmware
+ * redownload.
+ */
+static void mwifiex_pcie_reset_done(struct pci_dev *pdev)
+{
+	struct pcie_service_card *card = pci_get_drvdata(pdev);
+	struct mwifiex_adapter *adapter = card->adapter;
+	int ret;
+
+	if (!adapter) {
+		dev_err(&pdev->dev, "%s: adapter structure is not valid\n",
+			__func__);
+		return;
+	}
+
+	mwifiex_dbg(adapter, INFO,
+		    "%s: vendor=0x%4.04x device=0x%4.04x rev=%d Post-FLR\n",
+		    __func__, pdev->vendor, pdev->device, pdev->revision);
+
+	ret = mwifiex_reinit_sw(adapter);
+	if (ret)
+		dev_err(&pdev->dev, "reinit failed: %d\n", ret);
+	else
+		mwifiex_dbg(adapter, INFO, "%s, successful\n", __func__);
+}
+
+static const struct pci_error_handlers mwifiex_pcie_err_handler = {
+	.reset_prepare		= mwifiex_pcie_reset_prepare,
+	.reset_done		= mwifiex_pcie_reset_done,
 };
 
 #ifdef CONFIG_PM_SLEEP
@@ -408,7 +421,7 @@ static struct pci_driver __refdata mwifiex_pcie = {
 	},
 #endif
 	.shutdown = mwifiex_pcie_shutdown,
-	.err_handler = mwifiex_pcie_err_handler,
+	.err_handler = &mwifiex_pcie_err_handler,
 };
 
 /*