diff options
| author | Lucas Stach <dev@lynxeye.de> | 2016-10-23 01:02:02 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-24 14:36:25 +0200 |
| commit | 5c2ad982fb422ae710184e5911de0d4e030de8ac (patch) | |
| tree | fdbea026abab05bc593b139ecb416aa7045e91af /drivers/usb/host/ehci-pci.c | |
| parent | usb: Convert pr_warning to pr_warn (diff) | |
| download | linux-5c2ad982fb422ae710184e5911de0d4e030de8ac.tar.xz linux-5c2ad982fb422ae710184e5911de0d4e030de8ac.zip | |
USB: EHCI: elide I/O watchdog on AMD parts
This removes 10 timer wakeups per second. I'm running this patch for
a while now and haven't spotted any adverse effects.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-pci.c')
| -rw-r--r-- | drivers/usb/host/ehci-pci.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 3b3649d88c5f..0ed683c176f0 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -261,6 +261,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd) ehci->need_io_watchdog = 0; break; case PCI_VENDOR_ID_INTEL: + case PCI_VENDOR_ID_AMD: ehci->need_io_watchdog = 0; break; case PCI_VENDOR_ID_NVIDIA: |