From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kishon Vijay Abraham I Subject: [RFC PATCH 3/7] mmc: sdhci: Add callback to set bus mode Date: Mon, 7 Aug 2017 21:31:38 +0530 Message-ID: <20170807160142.12134-4-kishon@ti.com> References: <20170807160142.12134-1-kishon@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20170807160142.12134-1-kishon@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Ulf Hansson , Tony Lindgren , Rob Herring , Adrian Hunter Cc: kishon@ti.com, nsekhar@ti.com, linux-omap@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-mmc@vger.kernel.org Add callback to set bus mode in sdhci library so that the controller driver can perform any bus mode specific configurations in the callback function. Signed-off-by: Kishon Vijay Abraham I --- drivers/mmc/host/sdhci.c | 3 +++ drivers/mmc/host/sdhci.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index fff0baadbc3e..d5050ec42481 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1747,6 +1747,9 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (host->quirks & SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS) sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); + if (host->ops->set_bus_mode) + host->ops->set_bus_mode(host, ios->bus_mode); + mmiowb(); } EXPORT_SYMBOL_GPL(sdhci_set_ios); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index d778034e324d..39c7a2723906 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -583,6 +583,7 @@ struct sdhci_ops { void (*adma_workaround)(struct sdhci_host *host, u32 intmask); void (*card_event)(struct sdhci_host *host); void (*voltage_switch)(struct sdhci_host *host); + void (*set_bus_mode)(struct sdhci_host *host, unsigned int mode); }; #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS -- 2.11.0