From mboxrd@z Thu Jan  1 00:00:00 1970
From: u.kleine-koenig@pengutronix.de (Uwe =?iso-8859-1?Q?Kleine-K=F6nig?=)
Date: Mon, 11 Apr 2016 10:35:11 +0200
Subject: [PATCH] ARM: mach-imx: sdhci-esdhc-imx: initialize DMA mask
In-Reply-To: <1460362846-2906-1-git-send-email-akurz@blala.de>
References: <1460362846-2906-1-git-send-email-akurz@blala.de>
Message-ID: <20160411083510.GN10108@pengutronix.de>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hello,

I added the people involved in 7b91369b4655 to Cc.

On Mon, Apr 11, 2016 at 10:20:46AM +0200, Alexander Kurz wrote:
> With commit 7b91369b DMA access got disabled for device drivers with zero

Please reference commits like:

	With commit 7b91369b4655 ("mmc: sdhci: Set DMA mask when adding
	host") DMA access ...


> DMA mask property. sdhci-esdhc-imx got blocked from DMA access by this.
> Hence: initialize the dma mask to enable access again.
> 
> Signed-off-by: Alexander Kurz <akurz@blala.de>
> ---
>  arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c b/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c
> index a5edd7d..3d039ef 100644
> --- a/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c
> +++ b/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c
> @@ -71,6 +71,7 @@ struct platform_device *__init imx_add_sdhci_esdhc_imx(
>  	if (!pdata)
>  		pdata = &default_esdhc_pdata;
>  
> -	return imx_add_platform_device(data->devid, data->id, res,
> -			ARRAY_SIZE(res), pdata, sizeof(*pdata));
> +	return imx_add_platform_device_dmamask(data->devid, data->id, res,
> +			ARRAY_SIZE(res), pdata, sizeof(*pdata),
> +			DMA_BIT_MASK(32));
>  }
> -- 
> 2.1.4
> 
> 

-- 
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