From patchwork Tue Jun 4 08:14:24 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "(Exiting) Baolin Wang" X-Patchwork-Id: 10974389 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4FD5C17D2 for ; Tue, 4 Jun 2019 08:15:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 41B402872E for ; Tue, 4 Jun 2019 08:15:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 34EE628735; Tue, 4 Jun 2019 08:15:10 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI 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 D923A2872E for ; Tue, 4 Jun 2019 08:15:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727103AbfFDIPI (ORCPT ); Tue, 4 Jun 2019 04:15:08 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:35960 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727058AbfFDIPI (ORCPT ); Tue, 4 Jun 2019 04:15:08 -0400 Received: by mail-pf1-f196.google.com with SMTP id u22so12218813pfm.3 for ; Tue, 04 Jun 2019 01:15:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=628ZQKD9jdSHtWmvRCzFbwR4o1BOUbgB+F8276Myxy8=; b=gzhVSfX/Bn6qb7Bn5lG6vK47YR/iVsd/HdMBg0jqihRl1oIgJUL0n2Rcr/GT6ZSNuc 1aRUNkfNasPsc40XFopW34wVB0wEY9EGrsslh+r78Eawvrq0LxdAUUimuOx4t+msvwLO uBqkjXbfx5Mxq2ZNzGt1nrr5C31jEDWO0kJeY6FO2Wj6WlshAoCOuxW1W0CrPlnaO526 4So3Zm816GJgnVCMXFd2e19o3Ri7YmIrdFWkj0M4eZv3qQDUzvU3oBm66fGUFJM2acQn My9WcvNPZLHe5Q0ufI3CEyUnhMO2419UK0hNaGZL5gajope7z52/G4Mpd9Wq0AWz0APz haGg== 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:in-reply-to:references; bh=628ZQKD9jdSHtWmvRCzFbwR4o1BOUbgB+F8276Myxy8=; b=hMnYUCCQ+2Ui/FlukKp3GjaJ8Gw8vTFOgEz/dspGug9bNnSZmfBaHiZAw6q/zvmtSV Givues5+Tv3Tp1nhtLkAec+JhohH2nyjs0iupBMJLueOEe1Dt6/C+kxCt+d9Xf9Jc53H fbqCzN2h8o58VcAolVOAxeRK167hDhNuMYSHspBu4hhK4hCkNyv9TIqNeBw4DjKVecUA 05Rrf0hY65guiQsw9CCn3yvihYfhKC35dRySpvHJM0UoR6R1hXT7432ceY/FJZXz47Hf jh3O8q5aGK11UL4+Pck+gRTEek60qc+CdiQXEujf1IJdzD3ulFdLXmkTv5PsEX1DfjQ6 OLmw== X-Gm-Message-State: APjAAAWr2SAJmnR4ziXMfDH46JTqfwsACThFD7u/9UIlREYAKmFZKwnD ZAp8fIvqGcKrDkghkEz4U3JOwg== X-Google-Smtp-Source: APXvYqwpCoCmq59wFKEjIbjrTVby8p417ikbel/eUac3GvHTET9/FMzHRuPQWLns6Pqw0rSxaIT4AQ== X-Received: by 2002:a17:90b:d83:: with SMTP id bg3mr21126762pjb.63.1559636107639; Tue, 04 Jun 2019 01:15:07 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.82]) by smtp.gmail.com with ESMTPSA id j4sm14818804pgc.56.2019.06.04.01.15.02 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 04 Jun 2019 01:15:06 -0700 (PDT) From: Baolin Wang To: adrian.hunter@intel.com, ulf.hansson@linaro.org, zhang.lyra@gmail.com, orsonzhai@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, arnd@arndb.de, olof@lixom.net Cc: baolin.wang@linaro.org, vincent.guittot@linaro.org, arm@kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 4/9] mmc: sdhci-sprd: Implement the get_max_timeout_count() interface Date: Tue, 4 Jun 2019 16:14:24 +0800 Message-Id: <37b15ac756f9fca7c1f9382deb57648890bb141c.1559635435.git.baolin.wang@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: In-Reply-To: References: Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Implement the get_max_timeout_count() interface to set the Spredtrum SD host controller actual maximum timeout count. Signed-off-by: Baolin Wang Acked-by: Adrian Hunter --- drivers/mmc/host/sdhci-sprd.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c index 31ba7d6..d91281d 100644 --- a/drivers/mmc/host/sdhci-sprd.c +++ b/drivers/mmc/host/sdhci-sprd.c @@ -285,6 +285,12 @@ static void sdhci_sprd_hw_reset(struct sdhci_host *host) usleep_range(300, 500); } +static unsigned int sdhci_sprd_get_max_timeout_count(struct sdhci_host *host) +{ + /* The Spredtrum controller actual maximum timeout count is 1 << 31 */ + return 1 << 31; +} + static struct sdhci_ops sdhci_sprd_ops = { .read_l = sdhci_sprd_readl, .write_l = sdhci_sprd_writel, @@ -296,6 +302,7 @@ static void sdhci_sprd_hw_reset(struct sdhci_host *host) .reset = sdhci_reset, .set_uhs_signaling = sdhci_sprd_set_uhs_signaling, .hw_reset = sdhci_sprd_hw_reset, + .get_max_timeout_count = sdhci_sprd_get_max_timeout_count, }; static void sdhci_sprd_request(struct mmc_host *mmc, struct mmc_request *mrq)