From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753518AbeDYMKz (ORCPT ); Wed, 25 Apr 2018 08:10:55 -0400 Received: from lelnx193.ext.ti.com ([198.47.27.77]:10515 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753336AbeDYMKc (ORCPT ); Wed, 25 Apr 2018 08:10:32 -0400 From: Kishon Vijay Abraham I To: Ulf Hansson , Adrian Hunter CC: , Rob Herring , Mark Rutland , , , , , Tony Lindgren Subject: [PATCH v4 12/12] mmc: sdhci-omap: Add sdhci_omap specific ops for enable_sdio_irq Date: Wed, 25 Apr 2018 17:39:37 +0530 Message-ID: <20180425120937.29867-13-kishon@ti.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180425120937.29867-1-kishon@ti.com> References: <20180425120937.29867-1-kishon@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Acked-by: Tony Lindgren --- 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 c1a19e8d0a08..912b48df9dd1 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) -- 2.17.0