From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robin Gong Subject: [PATCH v1] ARM: dts: imx6dl: disable dma support for spi on i.mx6dl Date: Wed, 10 Sep 2014 09:33:36 +0800 Message-ID: <1410312816-32171-1-git-send-email-b38343@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: shawn.guo-KZfg59tc24xl57MIdRCFDg@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org Cc: linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org List-Id: devicetree@vger.kernel.org There is one weird data in rxfifo after one full rx/tx transfer done sometimes. It looks a design issue and hard to workaround totally, so disable dma functhion here. And will re-enable it once the root cause found. Signed-off-by: Robin Gong --- arch/arm/boot/dts/imx6dl.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm/boot/dts/imx6dl.dtsi b/arch/arm/boot/dts/imx6dl.dtsi index b453e0e..e84a1ff 100644 --- a/arch/arm/boot/dts/imx6dl.dtsi +++ b/arch/arm/boot/dts/imx6dl.dtsi @@ -102,6 +102,22 @@ }; }; +&ecspi1 { + dma-names = "", ""; +}; + +&ecspi2 { + dma-names = "", ""; +}; + +&ecspi3 { + dma-names = "", ""; +}; + +&ecspi4 { + dma-names = "", ""; +}; + &hdmi { compatible = "fsl,imx6dl-hdmi"; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html