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authorAlex Shi <alex.shi@linaro.org>2016-09-20 10:17:00 +0800
committerAlex Shi <alex.shi@linaro.org>2016-09-20 10:17:00 +0800
commitd2d693d1ba7d93ec7c5db8aca2da29a4c91f6782 (patch)
tree41920dcc166c491e7192eb1e3ba3861dff479abf /drivers/usb/chipidea/udc.c
parent573787341e57a73bf027c2ea3bdf18dc298ae0a0 (diff)
parent1d074db69c46d62ce82b331c2080e2fcb710bf4a (diff)
Merge remote-tracking branch 'lts/linux-4.4.y' into linux-linaro-lsk-v4.4
Conflicts: set ARM64_WORKAROUND_CAVIUM_27456 to 12 in arch/arm64/include/asm/cpufeature.h and add asm/memory.h in arch/arm64/kernel/entry.S
Diffstat (limited to 'drivers/usb/chipidea/udc.c')
-rw-r--r--drivers/usb/chipidea/udc.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 391a1225b0ba..ca367b05e440 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1585,8 +1585,11 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on)
{
struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget);
- /* Data+ pullup controlled by OTG state machine in OTG fsm mode */
- if (ci_otg_is_fsm_mode(ci))
+ /*
+ * Data+ pullup controlled by OTG state machine in OTG fsm mode;
+ * and don't touch Data+ in host mode for dual role config.
+ */
+ if (ci_otg_is_fsm_mode(ci) || ci->role == CI_ROLE_HOST)
return 0;
pm_runtime_get_sync(&ci->gadget.dev);