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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-30 06:40:39 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-30 06:40:39 -0400
commitcbfff98a623df8d4e7c02d63d6448220cf0aec7c (patch)
tree1a02766ada2b9be9745d6028f80a801eff5b358a /drivers/usb/dwc2/core.c
parentb65fba3d87216bfe6ae9bc77be5eb6eabb6514a4 (diff)
parenta909d3e636995ba7c349e2ca5dbb528154d4ac30 (diff)
Merge 4.9-rc3 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc2/core.c')
-rw-r--r--drivers/usb/dwc2/core.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c
index fa9b26b91507..4c0fa0b17353 100644
--- a/drivers/usb/dwc2/core.c
+++ b/drivers/usb/dwc2/core.c
@@ -463,9 +463,18 @@ static void dwc2_clear_force_mode(struct dwc2_hsotg *hsotg)
*/
void dwc2_force_dr_mode(struct dwc2_hsotg *hsotg)
{
+ bool ret;
+
switch (hsotg->dr_mode) {
case USB_DR_MODE_HOST:
- dwc2_force_mode(hsotg, true);
+ ret = dwc2_force_mode(hsotg, true);
+ /*
+ * NOTE: This is required for some rockchip soc based
+ * platforms on their host-only dwc2.
+ */
+ if (!ret)
+ msleep(50);
+
break;
case USB_DR_MODE_PERIPHERAL:
dwc2_force_mode(hsotg, false);