Svetoslav Neykov <svetoslav@xxxxxxxxxxx> writes:
> According to the datasheet the chipidea controller in AR933x doesn't expose OTG and TEST registers.
> If no OTG support is detected don't call functions which access those registers.
>
> Signed-off-by: Svetoslav Neykov <svetoslav@xxxxxxxxxxx>
> ---
> drivers/usb/chipidea/udc.c | 24 ++++++++++++++++--------
> 1 file changed, 16 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
> index 78ac5e5..9fda4d8 100644
> --- a/drivers/usb/chipidea/udc.c
> +++ b/drivers/usb/chipidea/udc.c
> @@ -1395,7 +1395,10 @@ static int ci13xxx_vbus_session(struct usb_gadget *_gadget, int is_active)
> if (is_active) {
> pm_runtime_get_sync(&_gadget->dev);
> hw_device_reset(ci, USBMODE_CM_DC);
> - hw_enable_vbus_intr(ci);
> +
> + if (ci->is_otg)
> + hw_enable_vbus_intr(ci);
It might be easier on the eyes if you move the "if (ci->is_otg)" check
inside hw_enable_vbus_intr(). But otherwise looks sensible.
Regards,
--
Alex
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