From patchwork Tue Dec 20 05:53:17 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ritesh Harjani X-Patchwork-Id: 9481153 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 66F1360820 for ; Tue, 20 Dec 2016 05:54:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 58A22284E8 for ; Tue, 20 Dec 2016 05:54:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4D046284F2; Tue, 20 Dec 2016 05:54:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E21B428475 for ; Tue, 20 Dec 2016 05:54:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933593AbcLTFxz (ORCPT ); Tue, 20 Dec 2016 00:53:55 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:42286 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933472AbcLTFxp (ORCPT ); Tue, 20 Dec 2016 00:53:45 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id EA073615B2; Tue, 20 Dec 2016 05:53:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1482213224; bh=8UacddDv0VoP8RQlfDeWpZo2GdetxklvU0kxV+7xJgU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IHcJeJne1dEQMVxhnmHaceEOI/rPSoRTVSbWt6YKtjo6hCqC7+7RtGSIEVRlKHNIQ p+XLt95Q6Ffepb5iuYxo9FyN17u92y5RTWVUWIOxKSO/FWToocqiI5lUhZD2KE6h47 2iqdUzon98yhTt2gvu8OVdJvuZtim4vn3ghvskgs= Received: from rharjani-linux.qualcomm.com (unknown [202.46.23.54]) (using TLSv1.1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: riteshh@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 2AD2D615B0; Tue, 20 Dec 2016 05:53:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1482213224; bh=8UacddDv0VoP8RQlfDeWpZo2GdetxklvU0kxV+7xJgU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IHcJeJne1dEQMVxhnmHaceEOI/rPSoRTVSbWt6YKtjo6hCqC7+7RtGSIEVRlKHNIQ p+XLt95Q6Ffepb5iuYxo9FyN17u92y5RTWVUWIOxKSO/FWToocqiI5lUhZD2KE6h47 2iqdUzon98yhTt2gvu8OVdJvuZtim4vn3ghvskgs= DMARC-Filter: OpenDMARC Filter v1.3.1 smtp.codeaurora.org 2AD2D615B0 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=pass smtp.mailfrom=riteshh@codeaurora.org From: Ritesh Harjani To: ulf.hansson@linaro.org, adrian.hunter@intel.com Cc: linux-mmc@vger.kernel.org, shawn.lin@rock-chips.com, linux-kernel@vger.kernel.org, stummala@codeaurora.org, georgi.djakov@linaro.org, linux-arm-msm@vger.kernel.org, pramod.gurav@linaro.org, jeremymc@redhat.com, venkatg@codeaurora.org, asutoshd@codeaurora.org, Ritesh Harjani Subject: [PATCH 2/4] mmc: mmc: Add change to set controller to HS400 frequency in enhanced strobe Date: Tue, 20 Dec 2016 11:23:17 +0530 Message-Id: <1482213199-29152-3-git-send-email-riteshh@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1482213199-29152-1-git-send-email-riteshh@codeaurora.org> References: <1482213199-29152-1-git-send-email-riteshh@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Currently mmc_select_hs400es is not setting the desired frequency before sending switch command. This makes CMD13 to timeout on some controllers. Thus add a change to set the desired HS400 frequency in mmc_select_hs400es when the timing is switched to HS400. Signed-off-by: Ritesh Harjani --- drivers/mmc/core/mmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index b61b52f9..eb69497 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1329,6 +1329,7 @@ static int mmc_select_hs400es(struct mmc_card *card) /* Set host controller to HS400 timing and frequency */ mmc_set_timing(host, MMC_TIMING_MMC_HS400); + mmc_set_bus_speed(card); /* Controller enable enhanced strobe function */ host->ios.enhanced_strobe = true;