From patchwork Tue Aug 16 11:41:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ritesh Harjani X-Patchwork-Id: 9283715 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 7117A6086A for ; Tue, 16 Aug 2016 11:41:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6190A28BCF for ; Tue, 16 Aug 2016 11:41:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5628028BC8; Tue, 16 Aug 2016 11:41:54 +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=-6.9 required=2.0 tests=BAYES_00,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 03CEA28BCF for ; Tue, 16 Aug 2016 11:41:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753395AbcHPLlx (ORCPT ); Tue, 16 Aug 2016 07:41:53 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:33023 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753342AbcHPLlw (ORCPT ); Tue, 16 Aug 2016 07:41:52 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id B562D61B4F; Tue, 16 Aug 2016 11:41:51 +0000 (UTC) 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 4212E6180B; Tue, 16 Aug 2016 11:41:45 +0000 (UTC) From: Ritesh Harjani To: ulf.hansson@linaro.org, adrian.hunter@intel.com Cc: shawn.lin@rock-chips.com, jh80.chung@samsung.com, linux-mmc@vger.kernel.org, linux-arm-msm@vger.kernel.org, georgi.djakov@linaro.org, alex.lemberg@sandisk.com, mateusz.nowak@intel.com, Yuliy.Izrailov@sandisk.com, asutoshd@codeaurora.org, kdorfman@codeaurora.org, david.griego@linaro.org, stummala@codeaurora.org, venkatg@codeaurora.org, Ritesh Harjani Subject: [PATCH v2 4/8] mmc: sdhci-msm: Add get_min_clock() and get_max_clock() callback Date: Tue, 16 Aug 2016 17:11:04 +0530 Message-Id: <1471347668-22978-5-git-send-email-riteshh@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1471347668-22978-1-git-send-email-riteshh@codeaurora.org> References: <1471347668-22978-1-git-send-email-riteshh@codeaurora.org> 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 This add get_min_clock() and get_max_clock() callback for sdhci-msm. sdhci-msm min/max clocks may be different hence implement these callbacks. Signed-off-by: Sahitya Tummala Signed-off-by: Ritesh Harjani --- drivers/mmc/host/sdhci-msm.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 2c745c2..5913ce1 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -553,6 +553,23 @@ static irqreturn_t sdhci_msm_pwr_irq(int irq, void *data) return IRQ_HANDLED; } +static unsigned int sdhci_msm_get_max_clock(struct sdhci_host *host) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); + int count = msm_host->pdata->clk_table_sz; + + return msm_host->pdata->clk_table[count - 1]; +} + +static unsigned int sdhci_msm_get_min_clock(struct sdhci_host *host) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); + + return msm_host->pdata->clk_table[0]; +} + static const struct of_device_id sdhci_msm_dt_match[] = { { .compatible = "qcom,sdhci-msm-v4" }, {}, @@ -564,6 +581,8 @@ static const struct sdhci_ops sdhci_msm_ops = { .platform_execute_tuning = sdhci_msm_execute_tuning, .reset = sdhci_reset, .set_clock = sdhci_set_clock, + .get_min_clock = sdhci_msm_get_min_clock, + .get_max_clock = sdhci_msm_get_max_clock, .set_bus_width = sdhci_set_bus_width, .set_uhs_signaling = sdhci_msm_set_uhs_signaling, .voltage_switch = sdhci_msm_voltage_switch,