On Wed, Oct 29, 2014 at 2:37 AM, Wilmer van der Gaast <wil...@gaast.net> wrote:
>
>> Anyway please try attached patched on top of 3.17.
>>
> Done, and that did work! Four suspend+resume cycles later and it's still
> stable.
Then can you test attached simplified one.
---
drivers/pci/pci.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
Index: linux-2.6/drivers/pci/pci.c
===================================================================
--- linux-2.6.orig/drivers/pci/pci.c
+++ linux-2.6/drivers/pci/pci.c
@@ -1265,6 +1265,19 @@ static void pci_enable_bridge(struct pci
pci_set_master(dev);
}
+static void ite_set_d0(struct pci_dev *dev)
+{
+ if (dev->pm_cap) {
+ u16 pmcsr;
+ pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
+ dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK);
+ }
+
+ pci_set_power_state(dev, PCI_D0);
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x244e, ite_set_d0);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ITE, 0x8892, ite_set_d0);
+
static int pci_enable_device_flags(struct pci_dev *dev, unsigned long flags)
{
struct pci_dev *bridge;
