Merge tag 'pci-v3.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 "Resource management
    - Fix host bridge window coalescing (Alexey Neyman)
    - Pass type, width, and prefetchability for window alignment (Wei Yang)

  PCI device hotplug
    - Convert acpiphp, acpiphp_ibm to dynamic debug (Lan Tianyu)

  Power management
    - Remove pci_pm_complete() (Liu Chuansheng)

  MSI
    - Fail initialization if device is not in PCI_D0 (Yijing Wang)

  MPS (Max Payload Size)
    - Use pcie_get_mps() and pcie_set_mps() to simplify code (Yijing Wang)
    - Use pcie_set_readrq() to simplify code (Yijing Wang)
    - Use cached pci_dev->pcie_mpss to simplify code (Yijing Wang)

  SR-IOV
    - Enable upstream bridges even for VFs on virtual buses (Bjorn Helgaas)
    - Use pci_is_root_bus() to avoid catching virtual buses (Wei Yang)

  Virtualization
    - Add x86 MSI masking ops (Konrad Rzeszutek Wilk)

  Freescale i.MX6
    - Support i.MX6 PCIe controller (Sean Cross)
    - Increase link startup timeout (Marek Vasut)
    - Probe PCIe in fs_initcall() (Marek Vasut)
    - Fix imprecise abort handler (Tim Harvey)
    - Remove redundant of_match_ptr (Sachin Kamat)

  Renesas R-Car
    - Support Gen2 internal PCIe controller (Valentine Barshak)

  Samsung Exynos
    - Add MSI support (Jingoo Han)
    - Turn off power when link fails (Jingoo Han)
    - Add Jingoo Han as maintainer (Jingoo Han)
    - Add clk_disable_unprepare() on error path (Wei Yongjun)
    - Remove redundant of_match_ptr (Sachin Kamat)

  Synopsys DesignWare
    - Add irq_create_mapping() (Pratyush Anand)
    - Add header guards (Seungwon Jeon)

  Miscellaneous
    - Enable native PCIe services by default on non-ACPI (Andrew Murray)
    - Cleanup _OSC usage and messages (Bjorn Helgaas)
    - Remove pcibios_last_bus boot option on non-x86 (Bjorn Helgaas)
    - Convert bus code to use bus_, drv_, and dev_groups (Greg Kroah-Hartman)
    - Remove unused pci_mem_start (Myron Stowe)
    - Make sysfs functions static (Sachin Kamat)
    - Warn on invalid return from driver probe (Stephen M. Cameron)
    - Remove Intel Haswell D3 delays (Todd E Brandt)
    - Call pci_set_master() in core if driver doesn't do it (Yinghai Lu)
    - Use pci_is_pcie() to simplify code (Yijing Wang)
    - Use PCIe capability accessors to simplify code (Yijing Wang)
    - Use cached pci_dev->pcie_cap to simplify code (Yijing Wang)
    - Removed unused "is_pcie" from struct pci_dev (Yijing Wang)
    - Simplify sysfs CPU affinity implementation (Yijing Wang)"

* tag 'pci-v3.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (79 commits)
  PCI: Enable upstream bridges even for VFs on virtual buses
  PCI: Add pci_upstream_bridge()
  PCI: Add x86_msi.msi_mask_irq() and msix_mask_irq()
  PCI: Warn on driver probe return value greater than zero
  PCI: Drop warning about drivers that don't use pci_set_master()
  PCI: Workaround missing pci_set_master in pci drivers
  powerpc/pci: Use pci_is_pcie() to simplify code [fix]
  PCI: Update pcie_ports 'auto' behavior for non-ACPI platforms
  PCI: imx6: Probe the PCIe in fs_initcall()
  PCI: Add R-Car Gen2 internal PCI support
  PCI: imx6: Remove redundant of_match_ptr
  PCI: Report pci_pme_active() kmalloc failure
  mn10300/PCI: Remove useless pcibios_last_bus
  frv/PCI: Remove pcibios_last_bus
  PCI: imx6: Increase link startup timeout
  PCI: exynos: Remove redundant of_match_ptr
  PCI: imx6: Fix imprecise abort handler
  PCI: Fail MSI/MSI-X initialization if device is not in PCI_D0
  PCI: imx6: Remove redundant dev_err() in imx6_pcie_probe()
  x86/PCI: Coalesce multiple overlapping host bridge windows
  ...

2 files changed, 7 insertions, 13 deletions

diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index 62ee713..30d20e7 100644
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -507,7 +507,7 @@ qlafx00_pci_config(scsi_qla_host_t *vha)
 	pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 
 	/* PCIe -- adjust Maximum Read Request Size (2048). */
-	if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
+	if (pci_is_pcie(ha->pdev))
 		pcie_set_readrq(ha->pdev, 2048);
 
 	ha->chip_revision = ha->pdev->revision;
@@ -660,10 +660,8 @@ char *
 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
 {
 	struct qla_hw_data *ha = vha->hw;
-	int pcie_reg;
 
-	pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
-	if (pcie_reg) {
+	if (pci_is_pcie(ha->pdev)) {
 		strcpy(str, "PCIe iSA");
 		return str;
 	}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 9f01bbb..bcd57f6 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -494,18 +494,14 @@ qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 	struct qla_hw_data *ha = vha->hw;
 	uint32_t pci_bus;
-	int pcie_reg;
 
-	pcie_reg = pci_pcie_cap(ha->pdev);
-	if (pcie_reg) {
+	if (pci_is_pcie(ha->pdev)) {
 		char lwstr[6];
-		uint16_t pcie_lstat, lspeed, lwidth;
+		uint32_t lstat, lspeed, lwidth;
 
-		pcie_reg += PCI_EXP_LNKCAP;
-		pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
-		lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
-		lwidth = (pcie_lstat &
-		    (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
+		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
+		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
+		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
 
 		strcpy(str, "PCIe (");
 		switch (lspeed) {