From: Richard Zhao <richard.zhao@xxxxxxxxxxxxx>
The ID pin needs 1ms debounce time, even at probe time. We delay 2ms
to be on the safe side.
Tested-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
Tested-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Richard Zhao <richard.zhao@xxxxxxxxxxxxx>
Signed-off-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
---
drivers/usb/chipidea/core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 1083585..3c3ed77 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -462,6 +462,8 @@ static int __devinit ci_hdrc_probe(struct platform_device *pdev)
if (ci->roles[CI_ROLE_HOST] && ci->roles[CI_ROLE_GADGET]) {
ci->is_otg = true;
+ /* ID pin needs 1ms debouce time, we delay 2ms for safe */
+ mdelay(2);
ci->role = ci_otg_role(ci);
} else {
ci->role = ci->roles[CI_ROLE_HOST]
--
1.7.10.4
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