From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Hunter Subject: [PATCH 6/8] serial: tegra: Fix cookie used by TX channel Date: Tue, 5 May 2015 15:17:57 +0100 Message-ID: <1430835479-6613-7-git-send-email-jonathanh@nvidia.com> References: <1430835479-6613-1-git-send-email-jonathanh@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1430835479-6613-1-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Laxman Dewangan , Greg Kroah-Hartman , Jiri Slaby Cc: linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jon Hunter List-Id: linux-serial@vger.kernel.org The DMA cookie for the RX channel is being used by the TX channel. Therefore, fix driver to use the correct DMA cookie for the TX channel. Signed-off-by: Jon Hunter --- drivers/tty/serial/serial-tegra.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c index a5312e4b6393..987c05665e62 100644 --- a/drivers/tty/serial/serial-tegra.c +++ b/drivers/tty/serial/serial-tegra.c @@ -410,7 +410,7 @@ static void tegra_uart_tx_dma_complete(void *args) unsigned long flags; unsigned int count; - dmaengine_tx_status(tup->tx_dma_chan, tup->rx_cookie, &state); + dmaengine_tx_status(tup->tx_dma_chan, tup->tx_cookie, &state); count = tup->tx_bytes_requested - state.residue; async_tx_ack(tup->tx_dma_desc); spin_lock_irqsave(&tup->uport.lock, flags); -- 1.9.1