From patchwork Tue Dec 13 17:48:31 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gregory CLEMENT X-Patchwork-Id: 9472859 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 7D33160476 for ; Tue, 13 Dec 2016 17:51:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6ED3E28641 for ; Tue, 13 Dec 2016 17:51:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 60E6228644; Tue, 13 Dec 2016 17:51:01 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 212C828634 for ; Tue, 13 Dec 2016 17:51:00 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cGrCg-0000ix-Ok; Tue, 13 Dec 2016 17:49:26 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cGrCL-0000db-Vu for linux-arm-kernel@lists.infradead.org; Tue, 13 Dec 2016 17:49:07 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 971F120E35; Tue, 13 Dec 2016 18:48:44 +0100 (CET) Received: from localhost (83.146.29.93.rev.sfr.net [93.29.146.83]) by mail.free-electrons.com (Postfix) with ESMTPSA id 6783420E2B; Tue, 13 Dec 2016 18:48:44 +0100 (CET) From: Gregory CLEMENT To: Ulf Hansson , Adrian Hunter , linux-mmc@vger.kernel.org Subject: [PATCH v4 02/12] mmc: sdhci: Export sdhci_start_signal_voltage_switch() in sdhci.c Date: Tue, 13 Dec 2016 18:48:31 +0100 Message-Id: X-Mailer: git-send-email 2.10.2 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161213_094906_270191_D42ECBF6 X-CRM114-Status: UNSURE ( 9.82 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Petazzoni , Andrew Lunn , Yehuda Yitschak , Marcin Wojtas , Jason Cooper , Hanna Hawa , Kostya Porotchkin , Nadav Haklai , Ziji Hu , Jimmy Xu , Doug Jones , Ryan Gao , Jisheng Zhang , Gregory CLEMENT , Victor Gu , "Wei\(SOCP\) Liu" , Wilson Ding , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Hu Ziji Export sdhci_start_signal_voltage_switch() from sdhci.c. Thus vendor sdhci driver can implement its own signal voltage switch routine. Signed-off-by: Hu Ziji Signed-off-by: Gregory CLEMENT --- drivers/mmc/host/sdhci.c | 5 +++-- drivers/mmc/host/sdhci.h | 2 ++ 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index ea06faf8a437..8e6e4e37e3b4 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1832,8 +1832,8 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable) spin_unlock_irqrestore(&host->lock, flags); } -static int sdhci_start_signal_voltage_switch(struct mmc_host *mmc, - struct mmc_ios *ios) +int sdhci_start_signal_voltage_switch(struct mmc_host *mmc, + struct mmc_ios *ios) { struct sdhci_host *host = mmc_priv(mmc); u16 ctrl; @@ -1925,6 +1925,7 @@ static int sdhci_start_signal_voltage_switch(struct mmc_host *mmc, return 0; } } +EXPORT_SYMBOL_GPL(sdhci_start_signal_voltage_switch); static int sdhci_card_busy(struct mmc_host *mmc) { diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 37771de4cafa..cd18b6f19c3b 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -689,6 +689,8 @@ void sdhci_set_bus_width(struct sdhci_host *host, int width); void sdhci_reset(struct sdhci_host *host, u8 mask); void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing); void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios); +int sdhci_start_signal_voltage_switch(struct mmc_host *mmc, + struct mmc_ios *ios); #ifdef CONFIG_PM extern int sdhci_suspend_host(struct sdhci_host *host);