From patchwork Wed Mar 7 13:20:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 10264049 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 4925260247 for ; Wed, 7 Mar 2018 13:22:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE64928D91 for ; Wed, 7 Mar 2018 13:22:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A2DB628E21; Wed, 7 Mar 2018 13:22:55 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable 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 650FD28D91 for ; Wed, 7 Mar 2018 13:22:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754612AbeCGNWX (ORCPT ); Wed, 7 Mar 2018 08:22:23 -0500 Received: from fllnx209.ext.ti.com ([198.47.19.16]:62607 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754545AbeCGNVw (ORCPT ); Wed, 7 Mar 2018 08:21:52 -0500 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by fllnx209.ext.ti.com (8.15.1/8.15.1) with ESMTP id w27DLEYv004123; Wed, 7 Mar 2018 07:21:14 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1520428874; bh=PVqSm5vh8YPAMgzfufUyWELRrCuGLOe6P29jI0fpEaA=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=l4rQg0GrH/1ad2KLbQCoIrJETkm8bh/EU9pW6FrRRx+Z6gzdynvS/ANw0uegDzOt/ VactjK4hCrvYFQ8eKT6g8e6I9yoeVv8fEe5GPomBBY3jj1KFNnElb5+3yhRefv2TmG jeZImDRRlzqOcdYWDH8o60U7OSmsHcn69l7vjaGM= Received: from DFLE104.ent.ti.com (dfle104.ent.ti.com [10.64.6.25]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id w27DLE9Q004311; Wed, 7 Mar 2018 07:21:14 -0600 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1261.35; Wed, 7 Mar 2018 07:21:13 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1261.35 via Frontend Transport; Wed, 7 Mar 2018 07:21:13 -0600 Received: from a0393678ub.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 w27DKMnV018331; Wed, 7 Mar 2018 07:21:10 -0600 From: Kishon Vijay Abraham I To: Ulf Hansson , Tony Lindgren , Adrian Hunter CC: Rob Herring , Mark Rutland , Russell King , , , , , , Subject: [PATCH v3 11/11] mmc: sdhci-omap: Add sdhci_omap specific ops for enable_sdio_irq Date: Wed, 7 Mar 2018 18:50:20 +0530 Message-ID: <20180307132020.30951-12-kishon@ti.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180307132020.30951-1-kishon@ti.com> References: <20180307132020.30951-1-kishon@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 sdhci_omap_enable_sdio_irq to set CTPL and CLKEXTFREE bits in MMCHS_CON register required to detect asynchronous card interrupt on DAT[1]. Signed-off-by: Kishon Vijay Abraham I Acked-by: Adrian Hunter --- drivers/mmc/host/sdhci-omap.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index 14dd51b51b41..8ceb3956b211 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -36,6 +36,7 @@ #define CON_DDR BIT(19) #define CON_CLKEXTFREE BIT(16) #define CON_PADEN BIT(15) +#define CON_CTPL BIT(11) #define CON_INIT BIT(1) #define CON_OD BIT(0) @@ -226,6 +227,23 @@ static void sdhci_omap_conf_bus_power(struct sdhci_omap_host *omap_host, } } +static void sdhci_omap_enable_sdio_irq(struct mmc_host *mmc, int enable) +{ + struct sdhci_host *host = mmc_priv(mmc); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host); + u32 reg; + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON); + if (enable) + reg |= (CON_CTPL | CON_CLKEXTFREE); + else + reg &= ~(CON_CTPL | CON_CLKEXTFREE); + sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg); + + sdhci_enable_sdio_irq(mmc, enable); +} + static inline void sdhci_omap_set_dll(struct sdhci_omap_host *omap_host, int count) { @@ -962,6 +980,7 @@ static int sdhci_omap_probe(struct platform_device *pdev) host->mmc_host_ops.set_ios = sdhci_omap_set_ios; host->mmc_host_ops.card_busy = sdhci_omap_card_busy; host->mmc_host_ops.execute_tuning = sdhci_omap_execute_tuning; + host->mmc_host_ops.enable_sdio_irq = sdhci_omap_enable_sdio_irq; ret = sdhci_setup_host(host); if (ret)