[PATCH] ARM: mach-imx: sdhci-esdhc-imx: initialize DMA mask
Uwe Kleine-König
u.kleine-koenig at pengutronix.de
Mon Apr 11 01:35:11 PDT 2016
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 at 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
>
>
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
More information about the linux-arm-kernel
mailing list