From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ball Subject: Re: [PATCH v3] mmc/sdio: add a quirk for broken SDIO_CCCR_INTx polling Date: Sat, 18 Jan 2014 03:55:56 +0000 Message-ID: <86txd254fn.fsf@void.printf.net> References: <1385509160-26793-1-git-send-email-bzhao@marvell.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from void.printf.net ([89.145.121.20]:58225 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752158AbaARDz6 (ORCPT ); Fri, 17 Jan 2014 22:55:58 -0500 In-Reply-To: <1385509160-26793-1-git-send-email-bzhao@marvell.com> (Bing Zhao's message of "Tue, 26 Nov 2013 15:39:20 -0800") Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Bing Zhao Cc: linux-mmc@vger.kernel.org, Ulf Hansson , Paul Stewart , Doug Anderson Hi, On Tue, Nov 26 2013, Bing Zhao wrote: > Polling SDIO_CCCR_INTx could create a fake interrupt with Marvell > SD8797 card. Add a quirk to handle this case. The fixup here is > to issue a dummy CMD52 read to function 0 register 0xff, and this > dummy read must be right after SDIO_CCCR_INTx is read. > > Patch has been verified on a dw_mmc controller (Samsung Chromebook) > with MMC_CAP_SDIO_IRQ disabled. > > Reviewed-by: Paul Stewart > Reviewed-by: Doug Anderson > Signed-off-by: Bing Zhao > Acked-by: Ulf Hansson Thanks, sorry for the delay, pushed to mmc-next for 3.14. - Chris. -- Chris Ball