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| author | Bjorn Helgaas <bhelgaas@google.com> | 2020-04-02 14:26:38 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2020-04-02 14:26:38 -0500 |
| commit | 10e8141baa7c5585c2d1ad98397186689ccf99b3 (patch) | |
| tree | 043dfcc9edab6cebd69fc44c55a1a60a8d4be141 /drivers/pci | |
| parent | 74f0862cc9836460282b54b8350c8947cc8220b6 (diff) | |
| parent | bd641fd8303a371e789e924291086268256766b0 (diff) | |
| download | linux-10e8141baa7c5585c2d1ad98397186689ccf99b3.tar.bz2 | |
Merge branch 'pci/misc'
- Move _HPX type array from stack to static data (Colin Ian King)
- Avoid an ASMedia XHCI USB PME# defect; apparently it doesn't assert
PME# when USB3.0 devices are hotplugged in D0 (Kai-Heng Feng)
- Revert sysfs "rescan" file renames that broke an application (Kelsey
Skunberg)
* pci/misc:
PCI: sysfs: Revert "rescan" file renames
PCI: Avoid ASMedia XHCI USB PME# from D0 defect
PCI/ACPI: Move pcie_to_hpx3_type[] from stack to static data
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci-acpi.c | 2 | ||||
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 6 | ||||
| -rw-r--r-- | drivers/pci/quirks.c | 11 |
3 files changed, 16 insertions, 3 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 1a6d2062cf8d..d21969fba6ab 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -439,7 +439,7 @@ enum hpx_type3_dev_type { static u16 hpx3_device_type(struct pci_dev *dev) { u16 pcie_type = pci_pcie_type(dev); - const int pcie_to_hpx3_type[] = { + static const int pcie_to_hpx3_type[] = { [PCI_EXP_TYPE_ENDPOINT] = HPX_TYPE_ENDPOINT, [PCI_EXP_TYPE_LEG_END] = HPX_TYPE_LEG_END, [PCI_EXP_TYPE_RC_END] = HPX_TYPE_RC_END, diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index d123d1087061..6d78df981d41 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -447,7 +447,8 @@ static ssize_t dev_rescan_store(struct device *dev, } return count; } -static DEVICE_ATTR_WO(dev_rescan); +static struct device_attribute dev_attr_dev_rescan = __ATTR(rescan, 0200, NULL, + dev_rescan_store); static ssize_t remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -484,7 +485,8 @@ static ssize_t bus_rescan_store(struct device *dev, } return count; } -static DEVICE_ATTR_WO(bus_rescan); +static struct device_attribute dev_attr_bus_rescan = __ATTR(rescan, 0200, NULL, + bus_rescan_store); #if defined(CONFIG_PM) && defined(CONFIG_ACPI) static ssize_t d3cold_allowed_store(struct device *dev, diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index b7347bc6a24d..3e0ca273f903 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5527,3 +5527,14 @@ out_disable: DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, 0x13b1, PCI_CLASS_DISPLAY_VGA, 8, quirk_reset_lenovo_thinkpad_p50_nvgpu); + +/* + * Device [1b21:2142] + * When in D0, PME# doesn't get asserted when plugging USB 3.0 device. + */ +static void pci_fixup_no_d0_pme(struct pci_dev *dev) +{ + pci_info(dev, "PME# does not work under D0, disabling it\n"); + dev->pme_support &= ~(PCI_PM_CAP_PME_D0 >> PCI_PM_CAP_PME_SHIFT); +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x2142, pci_fixup_no_d0_pme); |