]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
usb: dwc2: host: use msleep() for long delay
authorNicholas Mc Guire <hofrat@osadl.org>
Mon, 23 Jan 2017 23:00:40 +0000 (15:00 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 14 May 2017 12:08:25 +0000 (14:08 +0200)
commit d3fe81d2ccc41b355e494413115c0c7c18426fa1 upstream.

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 2938fc63e0c2 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/dwc2/core.c

index 11d8ae9aead1a2fe54b54695034e196968579c3b..439a21b8a05605f338234221e42d8b112c7ba1dd 100644 (file)
@@ -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);
 }
 
 /*