linux-kernel - Re: [PATCH] mmc: omap_hsmmc: No need to check DMA channel validity at module remove

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Message-ID: <CAPDyKFrbMrJSnTFDrkJt-oFa88CgVmUMNva-C4LUnf96QTiugQ@mail.gmail.com>
Date:	Thu, 19 Nov 2015 12:33:59 +0100
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	Peter Ujfalusi <peter.ujfalusi@...com>
Cc:	Tony Lindgren <tony@...mide.com>, Kishon <kishon@...com>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mmc: omap_hsmmc: No need to check DMA channel validity at
 module remove

On 3 November 2015 at 12:37, Peter Ujfalusi <peter.ujfalusi@...com> wrote:
> The driver will not probe without valid DMA channels so no need to check
> if they are valid when the module is removed.
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
> CC: Ulf Hansson <ulf.hansson@...aro.org>

Thanks, applied for next!

Kind regards
Uffe

> ---
>  drivers/mmc/host/omap_hsmmc.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
> index f70e52b05648..712c74fd0401 100644
> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -2262,10 +2262,8 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
>         pm_runtime_get_sync(host->dev);
>         mmc_remove_host(host->mmc);
>
> -       if (host->tx_chan)
> -               dma_release_channel(host->tx_chan);
> -       if (host->rx_chan)
> -               dma_release_channel(host->rx_chan);
> +       dma_release_channel(host->tx_chan);
> +       dma_release_channel(host->rx_chan);
>
>         pm_runtime_put_sync(host->dev);
>         pm_runtime_disable(host->dev);
> --
> 2.6.2
>
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