If vbus gpio is high at init, we should set vbus_prev to true
accordingly to the current vbus state. Without that, we skip the first
vbus interrupt because the saved vbus state is not consistent.
Signed-off-by: Sylvain Rochet <sylvain.roc...@finsecur.com>
Acked-by: Nicolas Ferre <nicolas.fe...@atmel.com>
Fixes: 914a3f3b3754 ("USB: add atmel_usba_udc driver")
Cc: <sta...@vger.kernel.org> #2.6.24+
---
drivers/usb/gadget/udc/atmel_usba_udc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c
b/drivers/usb/gadget/udc/atmel_usba_udc.c
index ce88237..e207d75 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1791,6 +1791,8 @@ static int atmel_usba_start(struct usb_gadget *gadget,
toggle_bias(1);
usba_writel(udc, CTRL, USBA_ENABLE_MASK);
usba_writel(udc, INT_ENB, USBA_END_OF_RESET);
+
+ udc->vbus_prev = 1;
}
spin_unlock_irqrestore(&udc->lock, flags);
--
2.1.4
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