On Fri, Jun 30, 2017 at 02:04:45PM +0200, Romain Perier wrote:
> From: Nandor Han <nandor.han@xxxxxx>
>
> According to "Documentation/serial/driver" both procedures should stop
> receiving or sending data. Based on this the procedures should stop the
> activity regardless if DMA is enabled or not.
>
> This commit updates both imx_stop_{rx|tx} procedures to stop the
> activity and disable the interrupts related to that. In case DMA is used
> the sg buffers are also un-maped.
This unmapping is implicit, becuae imx_stop_rx_dma unmaps since the
previous commit, right?
>
> Signed-off-by: Nandor Han <nandor.han@xxxxxx>
> Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxx>
> ---
> drivers/tty/serial/imx.c | 39 ++++++++++++++++++++-------------------
> 1 file changed, 20 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
> index 58d6b1c..d5b6e09 100644
> --- a/drivers/tty/serial/imx.c
> +++ b/drivers/tty/serial/imx.c
> @@ -360,6 +360,9 @@ static void imx_port_rts_auto(struct imx_port *sport, unsigned long *ucr2)
> *ucr2 |= UCR2_CTSC;
> }
>
> +static void imx_stop_rx_dma(struct imx_port *sport);
> +static void imx_stop_tx_dma(struct imx_port *sport);
Is it possible to reshuffle the order of functions to make this forward
declaration redundant?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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