raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-06 10:00:17 +00:00
Code Issues Projects Releases Wiki Activity

PCI: Mark Atheros AR9485 and QCA9882 to avoid bus reset

Browse Source 
commit 9ac0108c2b upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chris Blake
2016-05-30 07:26:37 -05:00
committed by Greg Kroah-Hartman
parent 23e0fce7b2
commit a57a55b505
1 changed files with 6 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/pci/quirks.c
View File

@@ -3115,13 +3115,15 @@ 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)
{