This fix the fsl usb gadget driver in a way that the usb device
will be only "pulled up" on requests only when vbus is powered
Signed-off-by: Suresh Gupta <suresh.gu...@freescale.com>
---
Changes from previous version:
* fixed checkpatch error
drivers/usb/gadget/fsl_udc_core.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/gadget/fsl_udc_core.c
b/drivers/usb/gadget/fsl_udc_core.c
index 35cb972..5a0f89c 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -1219,6 +1219,10 @@ static int fsl_pullup(struct usb_gadget *gadget, int
is_on)
struct fsl_udc *udc;
udc = container_of(gadget, struct fsl_udc, gadget);
+
+ if (!udc->vbus_active)
+ return -EOPNOTSUPP;
+
udc->softconnect = (is_on != 0);
if (can_pullup(udc))
fsl_writel((fsl_readl(&dr_regs->usbcmd) | USB_CMD_RUN_STOP),
--
1.8.4.1
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