From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH] arm64: dts: rockchip: fix rk3328 sdmmc0 write errors Date: Sat, 16 Mar 2019 21:00:09 +0100 Message-ID: <4066857.vsuxPprcTe@phil> References: <20190313190229.16962-1-pgwipeout@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20190313190229.16962-1-pgwipeout-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Peter Geis Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Robin Murphy , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, "Leonidas P . Papadakos" List-Id: linux-rockchip.vger.kernel.org Am Mittwoch, 13. M=E4rz 2019, 20:02:30 CET schrieb Peter Geis: > Various rk3328 based boards experience occasional sdmmc0 write errors. > This is due to the rk3328.dtsi tx drive levels being set to 4ma, vs > 8ma per the rk3328 datasheet default settings. > = > Fix this by setting the tx signal pins to 8ma. > Inspiration from tonymac32's patch, > https://github.com/ayufan-rock64/linux-kernel/commit/dc1212b347e0da17c546= 0bcc0a56b07d02bac3f8 > = > Fixes issues on the rk3328-roc-cc and the rk3328-rock64 (as per the > above commit message). > = > Tested on the rk3328-roc-cc board. > = > Signed-off-by: Peter Geis applied as fix for 5.1 after adding Fixes and Cc-stable-tags Thanks Heiko