From patchwork Mon Nov 19 11:16:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faiz Abbas X-Patchwork-Id: 10688537 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 05BB914BD for ; Mon, 19 Nov 2018 11:14:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EA27029558 for ; Mon, 19 Nov 2018 11:14:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DE6D529A67; Mon, 19 Nov 2018 11:14:21 +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 8A0DF29558 for ; Mon, 19 Nov 2018 11:14:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728051AbeKSVhV (ORCPT ); Mon, 19 Nov 2018 16:37:21 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:51254 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728557AbeKSVhU (ORCPT ); Mon, 19 Nov 2018 16:37:20 -0500 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id wAJBE0FF012075; Mon, 19 Nov 2018 05:14:00 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1542626040; bh=hGlv/j2mgo0IqfMNeBzcf1ERreS0YZu4S7pBXKqnd8U=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Hfh/+nPqKYLjgSOaYKp1i6NENFKwfBccCPHDyr5KvbQu3biE0ubDUSWrcdNJkmz+f 6a6iY6x1OlkFJpEn21N2NREM/4yoGRGp/bVAUmfH7iKV8lraboPzUuOXGFICo9adeK jfVKcnoPXnEyyQuNpLWqKBMtko7TVG/Sc4Nv2Yy0= Received: from DLEE115.ent.ti.com (dlee115.ent.ti.com [157.170.170.26]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id wAJBE0Pf084479 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 19 Nov 2018 05:14:00 -0600 Received: from DLEE100.ent.ti.com (157.170.170.30) by DLEE115.ent.ti.com (157.170.170.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Mon, 19 Nov 2018 05:14:00 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1591.10 via Frontend Transport; Mon, 19 Nov 2018 05:14:00 -0600 Received: from a0230074-OptiPlex-7010.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id wAJBDr12029910; Mon, 19 Nov 2018 05:13:58 -0600 From: Faiz Abbas To: , CC: , , , Subject: [PATCH 2/4] mmc: sdhci-omap: Add variable to indicate host is tuning Date: Mon, 19 Nov 2018 16:46:16 +0530 Message-ID: <20181119111618.2745-3-faiz_abbas@ti.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181119111618.2745-1-faiz_abbas@ti.com> References: <20181119111618.2745-1-faiz_abbas@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 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 Add a variable in sdhc_omap_host to indicate whether a tuning operation is ongoing. Signed-off-by: Faiz Abbas --- drivers/mmc/host/sdhci-omap.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index 87138067e334..cfffcf58be3f 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -115,6 +115,7 @@ struct sdhci_omap_host { struct pinctrl *pinctrl; struct pinctrl_state **pinctrl_state; + bool is_tuning; }; static void sdhci_omap_start_clock(struct sdhci_omap_host *omap_host); @@ -318,6 +319,8 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode) */ host->ier &= ~SDHCI_INT_DATA_CRC; + omap_host->is_tuning = true; + while (phase_delay <= MAX_PHASE_DELAY) { sdhci_omap_set_dll(omap_host, phase_delay); @@ -355,9 +358,12 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode) phase_delay = max_window + 4 * (max_len >> 1); sdhci_omap_set_dll(omap_host, phase_delay); + omap_host->is_tuning = false; + goto ret; tuning_error: + omap_host->is_tuning = false; dev_err(dev, "Tuning failed\n"); sdhci_omap_disable_tuning(omap_host);