Commit d3fe81d2 authored Jan 23, 2017 by Nicholas Mc Guire Committed by Felipe Balbi Jan 24, 2017

usb: dwc2: host: use msleep() for long delay

ulseep_range() uses hrtimers and provides no advantage over msleep()
for larger delays. Fix up the 100ms delays here passing the adjusted "min"
value to msleep(). This helps reduce the load on the hrtimer subsystem.

Link: http://lkml.org/lkml/2017/1/11/377

Fixes: commit 2938fc63 ("usb: dwc2: Properly account for the force mode delays")
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

parent ca8b0332

drivers/usb/dwc2/core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -455,7 +455,7 @@ void dwc2_clear_force_mode(struct dwc2_hsotg *hsotg)
		dwc2_writel(gusbcfg, hsotg->regs + GUSBCFG);

		if (dwc2_iddig_filter_enabled(hsotg))
		usleep_range(100000, 110000);
		msleep(100);
		}

		/*