Some tc35815 variants (i.e. TX493[89] internal ether) report existance
of PM registers though they are not supported. Disable PM features by
clearing pdev->pm_cap.
Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
---
arch/mips/txx9/generic/pci.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/arch/mips/txx9/generic/pci.c b/arch/mips/txx9/generic/pci.c
index 7b637a7..707cfa9 100644
--- a/arch/mips/txx9/generic/pci.c
+++ b/arch/mips/txx9/generic/pci.c
@@ -341,6 +341,15 @@ static void quirk_slc90e66_ide(struct pci_dev *dev)
}
#endif /* CONFIG_TOSHIBA_FPCIB0 */
+static void tc35815_fixup(struct pci_dev *dev)
+{
+ /* This device may have PM registers but not they are not suported. */
+ if (dev->pm_cap) {
+ dev_info(&dev->dev, "PM disabled\n");
+ dev->pm_cap = 0;
+ }
+}
+
static void final_fixup(struct pci_dev *dev)
{
unsigned char bist;
@@ -374,6 +383,10 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1,
DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1,
quirk_slc90e66_ide);
#endif
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_TOSHIBA_2,
+ PCI_DEVICE_ID_TOSHIBA_TC35815_NWU, tc35815_fixup);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_TOSHIBA_2,
+ PCI_DEVICE_ID_TOSHIBA_TC35815_TX4939, tc35815_fixup);
DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, final_fixup);
DECLARE_PCI_FIXUP_RESUME(PCI_ANY_ID, PCI_ANY_ID, final_fixup);
--
1.5.6.5
