From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: Re: [PATCH] mmc: dw_mmc: fix card read threshold for PIO mode Date: Mon, 24 Nov 2014 08:25:09 +0800 Message-ID: <20141124002508.GI11253@dragon> References: <1416551950-8277-1-git-send-email-shawn.guo@linaro.org> <20141121233155.GC11253@dragon> <20141123153012.GH11253@dragon> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: stable-owner@vger.kernel.org To: Alim Akhtar Cc: "linux-mmc@vger.kernel.org" , Ulf Hansson , Seungwon Jeon , Chris Ball , stable@vger.kernel.org, Jaehoon Chung , "linux-arm-kernel@lists.infradead.org" List-Id: linux-mmc@vger.kernel.org On Mon, Nov 24, 2014 at 03:36:13AM +0530, Alim Akhtar wrote: > Hi Shawn, > > On Sun, Nov 23, 2014 at 9:00 PM, Shawn Guo wrote: > > One thing I need to check with hardware vendor is whether register > > CDTHRCTL is available on my dwmmc controller. From my testing, even > > reading this register every time dw_mci_submit_data() is called causes > > problem for me. > > > yes, your guess is right, did you tested with ulf's -next branch? > Recently patch [1] is merged, that most likely to solve your platform > issue. Have a try. > > [1] http://www.spinics.net/lists/stable/msg69884.html Yeah, the patch fixes my problem. Thanks a lot for the pointer, Alim. Shawn