From patchwork Mon May 20 10:11:57 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: 10950747 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 AC8FD76 for ; Mon, 20 May 2019 10:12:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9B07E28762 for ; Mon, 20 May 2019 10:12:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8ED9928767; Mon, 20 May 2019 10:12:44 +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 7DCA728762 for ; Mon, 20 May 2019 10:12:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732471AbfETKMm (ORCPT ); Mon, 20 May 2019 06:12:42 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:34503 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732459AbfETKMm (ORCPT ); Mon, 20 May 2019 06:12:42 -0400 Received: by mail-pl1-f196.google.com with SMTP id w7so6519578plz.1 for ; Mon, 20 May 2019 03:12:41 -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=eMFBxEvVv73muoLZwkqzMu7EIBYQwUE2J5IELje2f28=; b=yhDed4i3RBqLUdnBe0hSuSFflewfmbhjRUNIe2b4fdBam6M4LQXIcG30ecgTYWvlC+ 9dU9LfmgcnAP8zsReUaDsEr5Xkmyy+W+pifErnX2xqlkaoUVT84a6aehb3b8pawL92iR tQ54TONm22Ktua4YOvnugQXU4KlKB/1aAcPyvWXSuSW64HljYJCqgd1DWuOatqdmXFRj 6fwiys1x5GW60TDPFElDeyOzqvrhUcpcfeidDVdlaDIaMX7F8nJhoUWFquwJiMN01rG0 u66gGoyroNQY7cRQKDV72UuHYZm6w3oFXuDHMj6WbC0ofrey3hgNjnN5j00zbksct8+W nhvA== 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=eMFBxEvVv73muoLZwkqzMu7EIBYQwUE2J5IELje2f28=; b=ZxO1NZgynTRlzCyXHjTUwo0EC6YB2R89+4gxM6ti6FIcI/8UVTYRT5i/g8nhcVpIr0 tj+q6m71cSfWKpVQzTeZhhKBB0FAhMyJg+WGZhKYEWNcgzEj+8pEi9d44Vcu+jAdQ+7m dSPVIN09JEzQTFTw/4f7UaAmNFNCw9GTxQWNL5zzV5RuuP3Nkn4krBZ/6Edm5K3OMRGW yvMzJRKK3KHRq9aMsh4x6p57SidMazbVudp2E0wvXgA3A9FNGdjHT9Gc9yuFHHu5B1eE 00SNhTC25UZORjaZZda07PUkkheOmiJXkbnuko1aiRGIdr75tQfK+re+ZH5WEpcOeQUH 386Q== X-Gm-Message-State: APjAAAW0hZppNGtt8UgCeQG5thZv+8nJ5HVIqKWhNJCieJTXxMzPrImE 3ZIPpFOqwW6OlpqHwjKCTI9qeA== X-Google-Smtp-Source: APXvYqyagoopJB9p1BnqQ6YN0ozqRnIvUdoq5+OupDz9YCTaL4q6kZYz7+VmAylRGHVAI+KKkgG4KA== X-Received: by 2002:a17:902:6ac6:: with SMTP id i6mr75225533plt.336.1558347160980; Mon, 20 May 2019 03:12:40 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id b3sm30098127pfr.146.2019.05.20.03.12.36 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 20 May 2019 03:12:40 -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 4/9] mmc: sdhci-sprd: Implement the get_max_timeout_count() interface Date: Mon, 20 May 2019 18:11:57 +0800 Message-Id: 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)