Linux kernel stable tree https://git.rulkc.org/pub/scm/linux/kernel/git/stable/linux.git/atom?h=linux-4.5.y 2016-05-04T21:49:02+00:00 2016-05-04T21:49:02+00:00 Fabio Estevam fabio.estevam@nxp.com 2016-03-28T21:45:36+00:00 urn:sha1:f4957fc4e66e25ca0750816a00438f60b0f7af87 commit b2d7a9cd3ff8ec561348267c2ef7d47b2b91e801 upstream. Commit 5c5fb40de8f1 ("PCI: imx6: Add support for active-low reset GPIO") cause regressions on some boards like MX6 Gateworks Ventana, for example. The reason for the breakage is that this commit sets the GPIO polarity in the wrong logic level. Also, the commit log is wrong because active-low reset GPIO is what the driver used to support since the beginning. So keep the old behavior that ignores the GPIO polarity specified in the device tree and treat the PCI reset GPIO as active-low. Reported-by: Krzysztof Hałasa <khalasa@piap.pl> Tested-by: Tim Harvey <tharvey@gateworks.com> # Gateworks Ventana Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Tim Harvey <tharvey@gateworks.com> Acked-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2016-02-29T23:24:15+00:00 Minghuan Lian Minghuan.Lian@nxp.com 2016-02-29T23:24:15+00:00 urn:sha1:1195c103f6c98d9ff381cac3a8760d4f8a133627 Some kinds of Layerscape PCIe controllers will forward the received message TLPs to system application address space, which could corrupt system memory or lead to a system hang. Enable MSG_DROP to fix this issue. Signed-off-by: Minghuan Lian <Minghuan.Lian@nxp.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> 2016-02-29T23:18:22+00:00 Murali Karicheri m-karicheri2@ti.com 2016-02-29T23:18:22+00:00 urn:sha1:79e3f4a853ed161cd4c06d84b50beebf961a47c6 Commit cbce7900598c ("PCI: designware: Make driver arch-agnostic") changed the host bridge sysdata pointer from the ARM pci_sys_data to the DesignWare pcie_port structure, and changed pcie-designware.c to reflect that. But it did not change the corresponding code in pci-keystone-dw.c, so it caused crashes on Keystone: Unable to handle kernel NULL pointer dereference at virtual address 00000030 pgd = c0003000 [00000030] *pgd=80000800004003, *pmd=00000000 Internal error: Oops: 206 [#1] PREEMPT SMP ARM CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.2-00139-gb74f926 #2 Hardware name: Keystone PC is at ks_dw_pcie_msi_irq_unmask+0x24/0x58 Change pci-keystone-dw.c to expect sysdata to be the struct pcie_port pointer. [bhelgaas: changelog] Fixes: cbce7900598c ("PCI: designware: Make driver arch-agnostic") Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: stable@vger.kernel.org # v4.4+ CC: Zhou Wang <wangzhou1@hisilicon.com> 2016-02-27T14:52:20+00:00 Thierry Reding treding@nvidia.com 2016-02-18T13:32:10+00:00 urn:sha1:61d9e854dfb91b46b99ffd3d31fc7d45d2b95f31 This driver uses PCI glue that is only available on 32-bit ARM. This used to work fine as long as ARCH_MVEBU and ARCH_DOVE were exclusively 32-bit, but there's a patch in the pipe to make ARCH_MVEBU also available on 64-bit ARM. [bhelgaas: changelog; patch is coming but not merged yet] Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 2016-01-27T22:52:24+00:00 Ray Jui rjui@broadcom.com 2016-01-27T22:52:24+00:00 urn:sha1:46560388c476c8471fde7712c10f9fad8d0d1875 Commit 943ebae781f5 ("PCI: iproc: Add PAXC interface support") only allowed device 0, which is a regression on BCMA-based platforms. All systems support only one device, a Root Port at 00:00.0, on the root bus. PAXC-based systems support only the Root Port (00:00.0) and a single device (with multiple functions) below it, e.g., 01:00.0, 01:00.1, etc. Non-PAXC systems support arbitrary devices below the Root Port. [bhelgaas: changelog, fold in removal of MAX_NUM_PAXC_PF check] Fixes: 943ebae781f5 ("PCI: iproc: Add PAXC interface support") Reported-by: Rafal Milecki <zajec5@gmail.com> Signed-off-by: Ray Jui <rjui@broadcom.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> 2016-01-21T19:52:16+00:00 Linus Torvalds torvalds@linux-foundation.org 2016-01-21T19:52:16+00:00 urn:sha1:d43421565bf0510d35e6a39ebf96586ad486f3aa Pull PCI updates from Bjorn Helgaas: "PCI changes for the v4.5 merge window: Enumeration: - Simplify config space size computation (Bjorn Helgaas) - Avoid iterating through ROM outside the resource window (Edward O'Callaghan) - Support PCIe devices with short cfg_size (Jason S. McMullan) - Add Netronome vendor and device IDs (Jason S. McMullan) - Limit config space size for Netronome NFP6000 family (Jason S. McMullan) - Add Netronome NFP4000 PF device ID (Simon Horman) - Limit config space size for Netronome NFP4000 (Simon Horman) - Print warnings for all invalid expansion ROM headers (Vladis Dronov) Resource management: - Fix minimum allocation address overwrite (Christoph Biedl) PCI device hotplug: - acpiphp_ibm: Fix null dereferences on null ibm_slot (Colin Ian King) - pciehp: Always protect pciehp_disable_slot() with hotplug mutex (Guenter Roeck) - shpchp: Constify hpc_ops structure (Julia Lawall) - ibmphp: Remove unneeded NULL test (Julia Lawall) Power management: - Make ASPM sysfs link_state_store() consistent with link_state_show() (Andy Lutomirski) Virtualization - Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183 (Tim Sander) MSI: - Remove empty pci_msi_init_pci_dev() (Bjorn Helgaas) - Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD (Grygorii Strashko) - Initialize MSI capability for all architectures (Guilherme G. Piccoli) - Relax msi_domain_alloc() to support parentless MSI irqdomains (Liu Jiang) ARM Versatile host bridge driver: - Remove unused pci_sys_data structures (Lorenzo Pieralisi) Broadcom iProc host bridge driver: - Hide CONFIG_PCIE_IPROC (Arnd Bergmann) - Do not use 0x in front of %pap (Dmitry V. Krivenok) - Update iProc PCIe device tree binding (Ray Jui) - Add PAXC interface support (Ray Jui) - Add iProc PCIe MSI device tree binding (Ray Jui) - Add iProc PCIe MSI support (Ray Jui) Freescale i.MX6 host bridge driver: - Use gpio_set_value_cansleep() (Fabio Estevam) - Add support for active-low reset GPIO (Petr Štetiar) HiSilicon host bridge driver: - Add support for HiSilicon Hip06 PCIe host controllers (Gabriele Paoloni) Intel VMD host bridge driver: - Export irq_domain_set_info() for module use (Keith Busch) - x86/PCI: Allow DMA ops specific to a PCI domain (Keith Busch) - Use 32 bit PCI domain numbers (Keith Busch) - Add driver for Intel Volume Management Device (VMD) (Keith Busch) Qualcomm host bridge driver: - Document PCIe devicetree bindings (Stanimir Varbanov) - Add Qualcomm PCIe controller driver (Stanimir Varbanov) - dts: apq8064: add PCIe devicetree node (Stanimir Varbanov) - dts: ifc6410: enable PCIe DT node for this board (Stanimir Varbanov) Renesas R-Car host bridge driver: - Add support for R-Car H3 to pcie-rcar (Harunobu Kurokawa) - Allow DT to override default window settings (Phil Edworthy) - Convert to DT resource parsing API (Phil Edworthy) - Revert "PCI: rcar: Build pcie-rcar.c only on ARM" (Phil Edworthy) - Remove unused pci_sys_data struct from pcie-rcar (Phil Edworthy) - Add runtime PM support to pcie-rcar (Phil Edworthy) - Add Gen2 PHY setup to pcie-rcar (Phil Edworthy) - Add gen2 fallback compatibility string for pci-rcar-gen2 (Simon Horman) - Add gen2 fallback compatibility string for pcie-rcar (Simon Horman) Synopsys DesignWare host bridge driver: - Simplify control flow (Bjorn Helgaas) - Make config accessor override checking symmetric (Bjorn Helgaas) - Ensure ATU is enabled before IO/conf space accesses (Stanimir Varbanov) Miscellaneous: - Add of_pci_get_host_bridge_resources() stub (Arnd Bergmann) - Check for PCI_HEADER_TYPE_BRIDGE equality, not bitmask (Bjorn Helgaas) - Fix all whitespace issues (Bogicevic Sasa) - x86/PCI: Simplify pci_bios_{read,write} (Geliang Tang) - Use to_pci_dev() instead of open-coding it (Geliang Tang) - Use kobj_to_dev() instead of open-coding it (Geliang Tang) - Use list_for_each_entry() to simplify code (Geliang Tang) - Fix typos in <linux/msi.h> (Thomas Petazzoni) - x86/PCI: Clarify AMD Fam10h config access restrictions comment (Tomasz Nowicki)" * tag 'pci-v4.5-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (58 commits) PCI: Add function 1 DMA alias quirk for Lite-On/Plextor M6e/Marvell 88SS9183 PCI: Limit config space size for Netronome NFP4000 PCI: Add Netronome NFP4000 PF device ID x86/PCI: Add driver for Intel Volume Management Device (VMD) PCI/AER: Use 32 bit PCI domain numbers x86/PCI: Allow DMA ops specific to a PCI domain irqdomain: Export irq_domain_set_info() for module use PCI: host: Add of_pci_get_host_bridge_resources() stub genirq/MSI: Relax msi_domain_alloc() to support parentless MSI irqdomains PCI: rcar: Add Gen2 PHY setup to pcie-rcar PCI: rcar: Add runtime PM support to pcie-rcar PCI: designware: Make config accessor override checking symmetric PCI: ibmphp: Remove unneeded NULL test ARM: dts: ifc6410: enable PCIe DT node for this board ARM: dts: apq8064: add PCIe devicetree node PCI: hotplug: Use list_for_each_entry() to simplify code PCI: rcar: Remove unused pci_sys_data struct from pcie-rcar PCI: hisi: Add support for HiSilicon Hip06 PCIe host controllers PCI: Avoid iterating through memory outside the resource window PCI: acpiphp_ibm: Fix null dereferences on null ibm_slot ... 2016-01-20T17:48:25+00:00 Bjorn Helgaas bhelgaas@google.com 2016-01-20T17:48:25+00:00 urn:sha1:9662e32c810ad3e6ce49832d5f585a54f8fbdbdb * pci/trivial: PCI: shpchp: Constify hpc_ops structure PCI: Use kobj_to_dev() instead of open-coding it PCI: Use to_pci_dev() instead of open-coding it PCI: Fix all whitespace issues PCI/MSI: Fix typos in <linux/msi.h> 2016-01-15T18:33:14+00:00 Bjorn Helgaas bhelgaas@google.com 2016-01-15T18:33:14+00:00 urn:sha1:c111e8bf6edfead5602aafa2cda937781737d4f9 * pci/host: PCI: host: Add of_pci_get_host_bridge_resources() stub PCI: host: Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD * pci/host-designware: PCI: designware: Make config accessor override checking symmetric PCI: designware: Simplify control flow * pci/host-hisi: PCI: hisi: Add support for HiSilicon Hip06 PCIe host controllers * pci/host-qcom: ARM: dts: ifc6410: enable PCIe DT node for this board ARM: dts: apq8064: add PCIe devicetree node PCI: qcom: Add Qualcomm PCIe controller driver PCI: qcom: Document PCIe devicetree bindings PCI: designware: Ensure ATU is enabled before IO/conf space accesses * pci/host-rcar: PCI: rcar: Add Gen2 PHY setup to pcie-rcar PCI: rcar: Add runtime PM support to pcie-rcar PCI: rcar: Remove unused pci_sys_data struct from pcie-rcar 2016-01-11T14:46:33+00:00 Phil Edworthy phil.edworthy@renesas.com 2016-01-05T13:00:31+00:00 urn:sha1:581d9434aa56b465c5abd82caf18937e9973ca42 For PCIe compliance, the PHY registers need setting as per the manual. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> 2016-01-11T14:46:33+00:00 Phil Edworthy phil.edworthy@renesas.com 2016-01-05T13:00:30+00:00 urn:sha1:de1be9a8897cb35bee7617da8b6ddd7d144db332 If runtime PM is enabled in the kernel config, simply enable the clocks once during probe. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>