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MIPS: TXx9: Disable PM capability of TX493[89] internal ether 

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@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto 2009-09-04 22:09:04 +09:00 committed by Ralf Baechle
parent 99502d94c3
commit 13680ade4e
1 changed files with 13 additions and 0 deletions
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13
arch/mips/txx9/generic/pci.c
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@ -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);