From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Mark Brown <broonie@kernel.org>,
linux-spi@vger.kernel.org, linux-sh@vger.kernel.org
Subject: Re: [PATCH 2/2] spi: sh-msiof: Fix transmit-only DMA transfers
Date: Thu, 07 Aug 2014 14:51:54 +0200 [thread overview]
Message-ID: <1519133.I1M5gTHUZc@avalon> (raw)
In-Reply-To: <1407413263-20177-2-git-send-email-geert+renesas@glider.be>
Hi Geert,
On Thursday 07 August 2014 14:07:43 Geert Uytterhoeven wrote:
> Fix tx/rx mixup, which broke transmit-only transfers.
>
> Introduced by commit 4240305f7cbdc7782aa8bc40cc702775d9ac0839
> ("spi: sh-msiof: Fix leaking of unused DMA descriptors").
>
> Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> Feel free to fold into commit 4240305f7cbdc7782aa8bc40cc702775d9ac0839
> ("spi: sh-msiof: Fix leaking of unused DMA descriptors")
> ---
> drivers/spi/spi-sh-msiof.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
> index 0d9ccd0953de..5ee13a2d93df 100644
> --- a/drivers/spi/spi-sh-msiof.c
> +++ b/drivers/spi/spi-sh-msiof.c
> @@ -689,9 +689,9 @@ static int sh_msiof_dma_once(struct sh_msiof_spi_priv
> *p, const void *tx, reinit_completion(&p->done);
>
> /* Now start DMA */
> - if (tx)
> - dma_async_issue_pending(p->master->dma_rx);
> if (rx)
> + dma_async_issue_pending(p->master->dma_rx);
> + if (tx)
> dma_async_issue_pending(p->master->dma_tx);
>
> ret = sh_msiof_spi_start(p, rx);
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2014-08-07 12:51 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-06 12:58 [PATCH 00/12] spi: rspi and sh-msiof driver updates Geert Uytterhoeven
2014-08-06 12:58 ` [PATCH 01/12] spi: rspi: Fix leaking of unused DMA descriptors Geert Uytterhoeven
2014-08-06 20:11 ` Mark Brown
2014-08-06 12:58 ` [PATCH 02/12] spi: rspi: Remove unneeded semicolon Geert Uytterhoeven
2014-08-06 20:26 ` Mark Brown
[not found] ` <1407329949-5695-1-git-send-email-geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
2014-08-06 12:59 ` [PATCH 03/12] spi: rspi: Use devm_kasprintf() Geert Uytterhoeven
[not found] ` <1407329949-5695-4-git-send-email-geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
2014-08-06 20:26 ` Mark Brown
2014-08-06 12:59 ` [PATCH 04/12] spi: rspi: Configure DMA slave bus width to 8 bit Geert Uytterhoeven
2014-08-06 20:26 ` Mark Brown
2014-08-06 12:59 ` [PATCH 05/12] [v2] spi: rspi: Add DT support to DMA setup Geert Uytterhoeven
2014-08-06 20:28 ` Mark Brown
2014-08-06 12:59 ` [PATCH 09/12] [v3] ARM: shmobile: r8a7791 dtsi: Enable DMA for QSPI Geert Uytterhoeven
2014-08-07 0:37 ` Simon Horman
2014-08-07 0:39 ` Simon Horman
2014-08-07 0:41 ` Simon Horman
[not found] ` <20140807004107.GB30872-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>
2014-08-07 8:27 ` Geert Uytterhoeven
2014-08-08 1:38 ` Simon Horman
2014-08-06 12:59 ` [PATCH 10/12] [v3] ARM: shmobile: r8a7791 dtsi: Enable DMA for MSIOF Geert Uytterhoeven
2014-08-06 12:59 ` [PATCH 12/12] ARM: shmobile: r8a7790 " Geert Uytterhoeven
2014-08-07 0:16 ` [PATCH 00/12] spi: rspi and sh-msiof driver updates Laurent Pinchart
2014-08-06 12:59 ` [PATCH 06/12] spi: sh-msiof: Fix leaking of unused DMA descriptors Geert Uytterhoeven
2014-08-06 20:35 ` Mark Brown
2014-08-07 0:07 ` Laurent Pinchart
2014-08-07 8:55 ` Geert Uytterhoeven
[not found] ` <CAMuHMdUd3OKqDwhLSCMW-rEQSnWky+saN5TgC005rkmNPfEL+g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-08-07 12:07 ` [PATCH 1/2] spi: sh-msiof: Return early in sh_msiof_dma_once() where possible Geert Uytterhoeven
[not found] ` <1407413263-20177-1-git-send-email-geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
2014-08-07 12:07 ` [PATCH 2/2] spi: sh-msiof: Fix transmit-only DMA transfers Geert Uytterhoeven
2014-08-07 12:51 ` Laurent Pinchart [this message]
2014-08-07 12:52 ` [PATCH 1/2] spi: sh-msiof: Return early in sh_msiof_dma_once() where possible Laurent Pinchart
2014-08-07 17:41 ` Mark Brown
2014-08-06 12:59 ` [PATCH 07/12] spi: sh-msiof: Configure DMA slave bus width Geert Uytterhoeven
[not found] ` <1407329949-5695-8-git-send-email-geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
2014-08-06 20:36 ` Mark Brown
2014-08-06 12:59 ` [PATCH 08/12] [v2] spi: sh-msiof: Add DT support to DMA setup Geert Uytterhoeven
2014-08-06 20:36 ` Mark Brown
2014-08-06 12:59 ` [PATCH 11/12] ARM: shmobile: r8a7790 dtsi: Enable DMA for QSPI Geert Uytterhoeven
2014-08-06 20:29 ` [PATCH 00/12] spi: rspi and sh-msiof driver updates Mark Brown
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