The datasheet says that MUSB_TXCSR_FLUSHFIFO is only valid when MUSB_TXCSR_TXPKTRDY is set as well. With this patch applied, the warning in this function does no longer kick in when an USB soundcard is unplugged while the stream is active. Signed-off-by: Daniel Mack <zonque@xxxxxxxxx> --- drivers/usb/musb/musb_host.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index f98a7c0..73e8f1d 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -120,7 +120,7 @@ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep) if (csr != lastcsr) dev_dbg(musb->controller, "Host TX FIFONOTEMPTY csr: %02x\n", csr); lastcsr = csr; - csr |= MUSB_TXCSR_FLUSHFIFO; + csr |= MUSB_TXCSR_FLUSHFIFO | MUSB_TXCSR_TXPKTRDY; musb_writew(epio, MUSB_TXCSR, csr); csr = musb_readw(epio, MUSB_TXCSR); if (WARN(retries-- < 1, -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
