On Tue, Jul 18, 2017 at 2:26 PM, Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: > This patch fixes an issue that unexpected behavior happens when > both the interrupt handler and renesas_usb3_ep_enable() are called. > In this case, since usb3_start_pipen() checked the usb3_ep->started, > but the flags was not protected. So, this patch protects the flag > by usb3->lock. Since renesas_usb3_ep_enable() for EP0 will be not called, > this patch doesn't take care of usb3_start_pipe0(). > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds