usb: renesas_usbhs: inaccessible pipe is not an error
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 912ce62..406893e 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -316,8 +316,11 @@
return 0;
ret = usbhs_pipe_is_accessible(pipe);
- if (ret < 0)
+ if (ret < 0) {
+ /* inaccessible pipe is not an error */
+ ret = 0;
goto usbhs_fifo_write_busy;
+ }
ret = usbhsf_fifo_barrier(priv, fifo);
if (ret < 0)