xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branches 'pci/hotplug' and 'pci/resource' into next

Browse Source 
* pci/hotplug:
  PCI: Use cached copy of PCI_EXP_SLTCAP_HPC bit

* pci/resource:
  PCI: Disable all BAR sizing for devices with non-compliant BARs
  x86/PCI: Mark Broadwell-EP Home Agent 1 as having non-compliant BARs
  PCI: Identify Enhanced Allocation (EA) BAR Equivalent resources in sysfs
This commit is contained in:
Bjorn Helgaas
2016-05-17 14:35:38 -05:00
parent d9322d226f f841522283 ad67b437f1
commit 45604e68ed
5 changed files with 23 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/pci/pcie/portdrv_core.c
View File

@@ -254,7 +254,6 @@ static void cleanup_service_irqs(struct pci_dev *dev)
static int get_port_device_capability(struct pci_dev *dev)
{
int services = 0;
u32 reg32;
int cap_mask = 0;
if (pcie_ports_disabled)
@@ -269,19 +268,14 @@ static int get_port_device_capability(struct pci_dev *dev)
pcie_port_platform_notify(dev, &cap_mask);
/* Hot-Plug Capable */
if ((cap_mask & PCIE_PORT_SERVICE_HP) &&
pcie_caps_reg(dev) & PCI_EXP_FLAGS_SLOT) {
pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, &reg32);
if (reg32 & PCI_EXP_SLTCAP_HPC) {
services |= PCIE_PORT_SERVICE_HP;
/*
* Disable hot-plug interrupts in case they have been
* enabled by the BIOS and the hot-plug service driver
* is not loaded.
*/
pcie_capability_clear_word(dev, PCI_EXP_SLTCTL,
PCI_EXP_SLTCTL_CCIE | PCI_EXP_SLTCTL_HPIE);
}
if ((cap_mask & PCIE_PORT_SERVICE_HP) && dev->is_hotplug_bridge) {
services |= PCIE_PORT_SERVICE_HP;
/*
* Disable hot-plug interrupts in case they have been enabled
* by the BIOS and the hot-plug service driver is not loaded.
*/
pcie_capability_clear_word(dev, PCI_EXP_SLTCTL,
PCI_EXP_SLTCTL_CCIE | PCI_EXP_SLTCTL_HPIE);
}
/* AER capable */
if ((cap_mask & PCIE_PORT_SERVICE_AER)