From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0761EECDE20 for ; Wed, 11 Sep 2019 07:21:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CAECF206CD for ; Wed, 11 Sep 2019 07:21:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="V3qcTtdd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727055AbfIKHVz (ORCPT ); Wed, 11 Sep 2019 03:21:55 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:44477 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725616AbfIKHVy (ORCPT ); Wed, 11 Sep 2019 03:21:54 -0400 Received: by mail-pf1-f195.google.com with SMTP id q21so13082146pfn.11; Wed, 11 Sep 2019 00:21:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0a/Ttcv1b84BQ/BKZwWZSK7rdmYU6EM1Hc5Czp/KOEk=; b=V3qcTtddc3yo40buBXwwrD0vajRM89aCkIV7zLE/1wk+X29XHOD0VWcv0LPzr0ldL0 XYrwSqHwCDDDe1MHbBhPKOUzd7L60OWuowGP1hj4tnYItXP/T0f/eTHBkIo8DzLtfxTU ZDMCLmWlVB5HIS3gztSzQYSaHfU0wFvskNTELiIcBs9FkXU7IB2C1FBDazdOZ/7FGXnd eB02OloHbFSvh24hJbOKWWAKHoUAwNkYIfrSG6LckQj50p6ATOVBq3GAI+wpF1VUkwFX jJsayheq92Stc9Z+ZY8EiocHsJTJ8XTNuKpTIVlIfTXvvGrJEeIzR3GLjUYWSOcz4f0t XfhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0a/Ttcv1b84BQ/BKZwWZSK7rdmYU6EM1Hc5Czp/KOEk=; b=nCaLmRXkoRFiFzO+xKvbsWx4F2yWDm2Kg2dEyIlJXscvxKE1KPzsFSP04ozYZsGr57 z73JvDK+yU+RxH1rOv1R2NLSWFGMGhGBawP4lrdGrngblAuR7A9y+HbE/Bet1cXEuVE7 X6C/fCiwfA7DPbGJk+KXctiPVJSYgUgfIRpLwSfMRHrT1YZYd19+gevAA9hAkBiR9x1u 8JWLqd3quV7rjClPGUb0yHYmRdp5g0bRrbkiJxpMOYtthrToLa+6AItV6KjGm6mjHJVG z1TD2YUjBwscZTI1lWDy64B5NuM+/zjcPMIEnHtrdy3ANKaiN7i2qx0tHkoA/js1ToIw EqqA== X-Gm-Message-State: APjAAAUWjlAQgkPIqeaGo8TK6dkpTKLXWRNECI84b4HSyVFc79jZ22j1 +6F55u7gqOgEFMyesrJ2leU= X-Google-Smtp-Source: APXvYqxP40ELMsVal6Ho+IuzuATf3DR7IVB7v+DnFGXZBevSrxyzMEI1s2oI00WHkn5E7boogdJAqg== X-Received: by 2002:a17:90a:890c:: with SMTP id u12mr3901328pjn.117.1568186513912; Wed, 11 Sep 2019 00:21:53 -0700 (PDT) Received: from gli-arch.genesyslogic.com.tw (60-251-58-169.HINET-IP.hinet.net. [60.251.58.169]) by smtp.gmail.com with ESMTPSA id r2sm34227993pfq.60.2019.09.11.00.21.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2019 00:21:53 -0700 (PDT) From: Ben Chuang To: adrian.hunter@intel.com, ulf.hansson@linaro.org Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, johnsonm@danlj.org, ben.chuang@genesyslogic.com.tw, Ben Chuang Subject: [PATCH V9 1/5] mmc: sdhci: Change timeout of loop for checking internal clock stable Date: Wed, 11 Sep 2019 15:22:10 +0800 Message-Id: <0c090d866e2b4cd7966672b1b6cf5667a5ce39dd.1568184581.git.benchuanggli@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ben Chuang According to section 3.2.1 internal clock setup in SD Host Controller Simplified Specifications 4.20, the timeout of loop for checking internal clock stable is defined as 150ms. Signed-off-by: Ben Chuang Co-developed-by: Michael K Johnson Signed-off-by: Michael K Johnson Acked-by: Adrian Hunter --- drivers/mmc/host/sdhci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 59acf8e3331e..bed0760a6c2a 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1636,8 +1636,8 @@ void sdhci_enable_clk(struct sdhci_host *host, u16 clk) clk |= SDHCI_CLOCK_INT_EN; sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); - /* Wait max 20 ms */ - timeout = ktime_add_ms(ktime_get(), 20); + /* Wait max 150 ms */ + timeout = ktime_add_ms(ktime_get(), 150); while (1) { bool timedout = ktime_after(ktime_get(), timeout); -- 2.23.0