On Tue, Jan 26, 2021 at 6:01 PM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Tue, Jan 26, 2021 at 05:49:13PM +0800, Ray Chi wrote: > > Currently, role init functions are used in dwc3 driver but > > can't be called from kernel modules. > > dwc3_host_init > > dwc3_host_exit > > dwc3_gadget_init > > dwc3_gadget_exit > > dwc3_event_buffers_setup > > dwc3_event_buffers_cleanup > > > > If other kernel modules want to use these functions, it needs > > EXPORT_SYMBOL_GPL() to get compile pass. > > > > Signed-off-by: Ray Chi <raychi@xxxxxxxxxx> > > What current kernel configuration fails without this patch applied? I > don't see any in-tree users of this as a module that would break, or am > I missing something? > > thanks, > > greg k-h There is no failure for current status. This patch is just used for any kernel modules which want to call these functions. I think it is an expandability of dwc3 core driver.
