Commit 05ebc36e authored Oct 12, 2015 by Peter Senna Tschudin Committed by Greg Kroah-Hartman Oct 16, 2015

usb/host/fotg210: replace msleep by usleep_range



msleep under 20ms can result in sleeping up to 20ms, which may not be
intended. Replace msleep(5) by usleep_range(5000, 10000). The range of 5
ms is to reduce the chances of creating an interrupt while reducing the
maximum wait time in 50%.

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 0d88002e

drivers/usb/host/fotg210-hcd.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -5085,7 +5085,7 @@ static int fotg210_run(struct usb_hcd *hcd)
		fotg210->rh_state = FOTG210_RH_RUNNING;
		/* unblock posted writes */
		fotg210_readl(fotg210, &fotg210->regs->command);
		msleep(5);
		usleep_range(5000, 10000);
		up_write(&ehci_cf_port_reset_rwsem);
		fotg210->last_periodic_enable = ktime_get_real();