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

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* 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
commit 45604e68ed
5 changed files with 23 additions and 18 deletions
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2
drivers/pci/pci.c
View file

@ -2228,7 +2228,7 @@ void pci_pm_init(struct pci_dev *dev)
static unsigned long pci_ea_flags(struct pci_dev *dev, u8 prop)
{
unsigned long flags = IORESOURCE_PCI_FIXED;
unsigned long flags = IORESOURCE_PCI_FIXED | IORESOURCE_PCI_EA_BEI;
switch (prop) {
case PCI_EA_P_MEM:

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)

6
drivers/pci/probe.c
View file

@ -179,9 +179,6 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
u16 orig_cmd;
struct pci_bus_region region, inverted_region;
if (dev->non_compliant_bars)
return 0;
mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
/* No printks while decoding is disabled! */
@ -322,6 +319,9 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
{
unsigned int pos, reg;
if (dev->non_compliant_bars)
return;
for (pos = 0; pos < howmany; pos++) {
struct resource *res = &dev->resource[pos];
reg = PCI_BASE_ADDRESS_0 + (pos << 2);