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authorSylvain Rochet <sylvain.rochet@finsecur.com>2015-02-12 18:54:04 +0100
committerFelipe Balbi <balbi@ti.com>2015-03-11 10:19:36 -0500
commit227ab58cff3c26ec279598112887d6bcca677a0c (patch)
tree8ddde141147f6511c03af3da8d90f2ba550d32ca /drivers/usb/gadget
parent656e7c36bd70e115266cf280e0ff049506ceb16c (diff)
downloadop-kernel-dev-227ab58cff3c26ec279598112887d6bcca677a0c.zip
op-kernel-dev-227ab58cff3c26ec279598112887d6bcca677a0c.tar.gz
usb: gadget: atmel_usba_udc: Fixed vbus_prev initial state
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.rochet@finsecur.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/udc/atmel_usba_udc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index d79cb35..e63c6fc 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1811,6 +1811,8 @@ static int atmel_usba_start(struct usb_gadget *gadget,
toggle_bias(udc, 1);
usba_writel(udc, CTRL, USBA_ENABLE_MASK);
usba_int_enb_set(udc, USBA_END_OF_RESET);
+
+ udc->vbus_prev = 1;
}
spin_unlock_irqrestore(&udc->lock, flags);
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