On 26-06-18, 21:22, Uwe Kleine-König wrote:
> On Wed, Jun 20, 2018 at 12:56:58AM +0800, Robin Gong wrote:
> > Correct to check the right rx dma cookie status in spit of it
> > works because only one cookie is running in the current sdma.
> > But it will not once sdma driver support multi cookies
> > running based on virt-dma.
> >
> > Signed-off-by: Robin Gong <yibin.gong@xxxxxxx>
> Looks wrong (because of tx_status vs rx_cookie), but is right
> nevertheless I think:
hehe, tx refers to transfer status for rx (receive) cookie and not
transmit .. yeah notations can be better!
>
> Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
>
> Thanks
> Uwe
>
> > ---
> > drivers/tty/serial/imx.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
> > index 4e85357..2879407 100644
> > --- a/drivers/tty/serial/imx.c
> > +++ b/drivers/tty/serial/imx.c
> > @@ -1051,7 +1051,7 @@ static void imx_uart_dma_rx_callback(void *data)
> > unsigned int r_bytes;
> > unsigned int bd_size;
> >
> > - status = dmaengine_tx_status(chan, (dma_cookie_t)0, &state);
> > + status = dmaengine_tx_status(chan, sport->rx_cookie, &state);
> >
> > if (status == DMA_ERROR) {
> > imx_uart_clear_rx_errors(sport);
> > --
> > 2.7.4
> >
> >
> > _______________________________________________
> > linux-arm-kernel mailing list
> > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> >
>
> --
> Pengutronix e.K. | Uwe Kleine-König |
> Industrial Linux Solutions | http://www.pengutronix.de/ |
--
~Vinod
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