From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753737AbcERSCJ (ORCPT ); Wed, 18 May 2016 14:02:09 -0400 Received: from gloria.sntech.de ([95.129.55.99]:50222 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753459AbcERSCE (ORCPT ); Wed, 18 May 2016 14:02:04 -0400 From: Heiko Stuebner To: Doug Anderson , Shawn Lin Cc: Jaehoon Chung , Ulf Hansson , Alim Akhtar , Sonny Rao , Alexandru Stan , "open list:ARM/Rockchip SoC..." , "linux-arm-kernel@lists.infradead.org" , "linux-mmc@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] mmc: dw_mmc: Consider HLE errors to be data and command errors Date: Wed, 18 May 2016 20:01:44 +0200 Message-ID: <9061286.nTNVjb4bva@phil> User-Agent: KMail/4.14.10 (Linux/4.3.0-1-amd64; KDE/4.14.14; x86_64; ; ) In-Reply-To: References: <1426002490-2014-1-git-send-email-dianders@chromium.org> <573C3283.1040606@rock-chips.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Mittwoch, 18. Mai 2016, 10:37:52 schrieb Doug Anderson: > Note: I'd be very curious if your problems get better if you disable > the "grf_force_jtag" bit in the GRF. If you're using the builtin card > detect and you use the boot default of "grf_force_jtag" then your pins > will be unmuxed behind your back when the card is ejected. This could > be causing the dw_mmc controller to get confused. On the rk3288, we saw issues with the jtag/sdmmc function and thus disabled that altogether in [0]. Not sure if that is a similar problem for you. Heiko [0] https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9b75d51c940c25587a2ad72ec7ec60490abfb6c