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PCI: pciehp: Always implement resume, regardless of pciehp_force param 

Previously, the driver ignored resume unless the pciehp_force module_param
was specified.  On some laptops that means that interrupts are not
delivered after S3, so card removals and insertions are not handled.
This patch makes the driver handle resume regardless of pciehp_force.

[bhelgaas: changelog]
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Oliver Neukum 2012-09-07 23:28:30 +02:00 committed by Bjorn Helgaas
parent 0d7614f09c
commit 87683e22c6
1 changed files with 14 additions and 14 deletions
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28
drivers/pci/hotplug/pciehp_core.c
View File

@ -300,24 +300,24 @@ static int pciehp_suspend (struct pcie_device *dev)
static int pciehp_resume (struct pcie_device *dev)
{
struct controller *ctrl;
struct slot *slot;
u8 status;
dev_info(&dev->device, "%s ENTRY\n", __func__);
if (pciehp_force) {
struct controller *ctrl = get_service_data(dev);
struct slot *slot;
u8 status;
ctrl = get_service_data(dev);
/* reinitialize the chipset's event detection logic */
pcie_enable_notification(ctrl);
/* reinitialize the chipset's event detection logic */
pcie_enable_notification(ctrl);
slot = ctrl->slot;
slot = ctrl->slot;
/* Check if slot is occupied */
pciehp_get_adapter_status(slot, &status);
if (status)
pciehp_enable_slot(slot);
else
pciehp_disable_slot(slot);
}
/* Check if slot is occupied */
pciehp_get_adapter_status(slot, &status);
if (status)
pciehp_enable_slot(slot);
else
pciehp_disable_slot(slot);
return 0;
}
#endif /* PM */