On Mon, Apr 02, 2018 at 09:21:33PM +0900, Yoshihiro Shimoda wrote:
> This patch fixes an issue that this driver causes panic if a gadget
> driver is already loaded because usb_add_gadget_udc() might call
> renesas_usb3_start() via .udc_start, and then pm_runtime_get_sync()
> in renesas_usb3_start() doesn't work correctly.
> Note that the usb3_to_dev() macro should not be called at this timing
> because the macro uses the gadget structure.
>
> Fixes: cf06df3fae28 ("usb: gadget: udc: renesas_usb3: move pm_runtime_{en,dis}able()")
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.15+
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
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