diff options
| author | Lucas Stach <l.stach@pengutronix.de> | 2016-08-15 16:09:07 +0200 |
|---|---|---|
| committer | Peter Chen <peter.chen@nxp.com> | 2016-09-14 10:58:13 +0800 |
| commit | c744a0db756b34c7e2b60100bcfc58beb6b68c99 (patch) | |
| tree | 65519752d51a2cd21bc5b76209ed4ee99c4a67de /drivers/usb | |
| parent | c6ee9f2345a2d95a986309a6486ae780f563230a (diff) | |
usb: chipidea: host: disable io watchdog
The Chipidea EHCI core seems to behave sanely and doesn't need
the IO watchdog. This kills off 10 non-deferrable wakeup events
per second when the controller is otherwise idle.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/chipidea/host.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 053bac9d983c..96ae69502c86 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -81,12 +81,15 @@ static int ehci_ci_reset(struct usb_hcd *hcd) { struct device *dev = hcd->self.controller; struct ci_hdrc *ci = dev_get_drvdata(dev); + struct ehci_hcd *ehci = hcd_to_ehci(hcd); int ret; ret = ehci_setup(hcd); if (ret) return ret; + ehci->need_io_watchdog = 0; + ci_platform_configure(ci); return ret; |