summaryrefslogtreecommitdiffstats
path: root/drivers/pci
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pci-acpi.c4
-rw-r--r--drivers/pci/pci-driver.c4
-rw-r--r--drivers/pci/pci.c7
-rw-r--r--drivers/pci/quirks.c5
4 files changed, 13 insertions, 7 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index e70c1c7ba1bf..a8da543b3814 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -573,7 +573,7 @@ static int acpi_pci_propagate_wakeup(struct pci_bus *bus, bool enable)
{
while (bus->parent) {
if (acpi_pm_device_can_wakeup(&bus->self->dev))
- return acpi_pm_set_device_wakeup(&bus->self->dev, enable);
+ return acpi_pm_set_bridge_wakeup(&bus->self->dev, enable);
bus = bus->parent;
}
@@ -581,7 +581,7 @@ static int acpi_pci_propagate_wakeup(struct pci_bus *bus, bool enable)
/* We have reached the root bus. */
if (bus->bridge) {
if (acpi_pm_device_can_wakeup(bus->bridge))
- return acpi_pm_set_device_wakeup(bus->bridge, enable);
+ return acpi_pm_set_bridge_wakeup(bus->bridge, enable);
}
return 0;
}
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 4450feaf5c00..11bd267fc137 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -647,9 +647,7 @@ static int pci_legacy_resume(struct device *dev)
static void pci_pm_default_resume(struct pci_dev *pci_dev)
{
pci_fixup_device(pci_fixup_resume, pci_dev);
-
- if (!pci_has_subordinate(pci_dev))
- pci_enable_wake(pci_dev, PCI_D0, false);
+ pci_enable_wake(pci_dev, PCI_D0, false);
}
static void pci_pm_default_suspend(struct pci_dev *pci_dev)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index fdf65a6c13f6..68e3b2b0da93 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1912,6 +1912,13 @@ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, bool enable)
{
int ret = 0;
+ /*
+ * Bridges can only signal wakeup on behalf of subordinate devices,
+ * but that is set up elsewhere, so skip them.
+ */
+ if (pci_has_subordinate(dev))
+ return 0;
+
/* Don't do the same thing twice in a row for one device. */
if (!!enable == !!dev->wakeup_prepared)
return 0;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 140760403f36..a346487a9532 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -25,6 +25,7 @@
#include <linux/sched.h>
#include <linux/ktime.h>
#include <linux/mm.h>
+#include <linux/platform_data/x86/apple.h>
#include <asm/dma.h> /* isa_dma_bridge_buggy */
#include "pci.h"
@@ -3447,7 +3448,7 @@ static void quirk_apple_poweroff_thunderbolt(struct pci_dev *dev)
{
acpi_handle bridge, SXIO, SXFP, SXLV;
- if (!dmi_match(DMI_BOARD_VENDOR, "Apple Inc."))
+ if (!x86_apple_machine)
return;
if (pci_pcie_type(dev) != PCI_EXP_TYPE_UPSTREAM)
return;
@@ -3492,7 +3493,7 @@ static void quirk_apple_wait_for_thunderbolt(struct pci_dev *dev)
struct pci_dev *sibling = NULL;
struct pci_dev *nhi = NULL;
- if (!dmi_match(DMI_BOARD_VENDOR, "Apple Inc."))
+ if (!x86_apple_machine)
return;
if (pci_pcie_type(dev) != PCI_EXP_TYPE_DOWNSTREAM)
return;