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PCI: Mark Atheros AR9485 and QCA9882 to avoid bus reset 

Similar to the AR93xx series, the AR94xx and the Qualcomm QCA988x also have
the same quirk for the Bus Reset.

Fixes: c3e59ee4e7 ("PCI: Mark Atheros AR93xx to avoid bus reset")
Signed-off-by: Chris Blake <chrisrblake93@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org  # v3.14+
hifive-unleashed-5.1
Chris Blake 2016-05-30 07:26:37 -05:00 committed by Bjorn Helgaas
parent 00456b35a5
commit 9ac0108c2b
1 changed files with 6 additions and 4 deletions
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10
drivers/pci/quirks.c
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@ -3189,13 +3189,15 @@ static void quirk_no_bus_reset(struct pci_dev *dev)
}
/*
* Atheros AR93xx chips do not behave after a bus reset. The device will
* throw a Link Down error on AER-capable systems and regardless of AER,
* config space of the device is never accessible again and typically
* causes the system to hang or reset when access is attempted.
* Some Atheros AR9xxx and QCA988x chips do not behave after a bus reset.
* The device will throw a Link Down error on AER-capable systems and
* regardless of AER, config space of the device is never accessible again
* and typically causes the system to hang or reset when access is attempted.
* http://www.spinics.net/lists/linux-pci/msg34797.html
*/
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0030, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0032, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003c, quirk_no_bus_reset);
static void quirk_no_pm_reset(struct pci_dev *dev)
{