From patchwork Thu Mar 30 15:22:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gregory CLEMENT X-Patchwork-Id: 9654551 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 63471602BD for ; Thu, 30 Mar 2017 15:28:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 55A5520881 for ; Thu, 30 Mar 2017 15:28:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4A35B2854F; Thu, 30 Mar 2017 15:28:07 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI 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 0305620881 for ; Thu, 30 Mar 2017 15:28:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934166AbdC3P1V (ORCPT ); Thu, 30 Mar 2017 11:27:21 -0400 Received: from mail.free-electrons.com ([62.4.15.54]:43368 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934156AbdC3PX1 (ORCPT ); Thu, 30 Mar 2017 11:23:27 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id A14BA207D5; Thu, 30 Mar 2017 17:23:24 +0200 (CEST) Received: from localhost (83.146.29.93.rev.sfr.net [93.29.146.83]) by mail.free-electrons.com (Postfix) with ESMTPSA id CBBD92081B; Thu, 30 Mar 2017 17:23:08 +0200 (CEST) From: Gregory CLEMENT To: Ulf Hansson , Adrian Hunter , linux-mmc@vger.kernel.org Cc: Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory CLEMENT , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org, Mike Turquette , Stephen Boyd , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org, Ziji Hu , Jimmy Xu , Jisheng Zhang , Nadav Haklai , Ryan Gao , Doug Jones , Victor Gu , "Wei(SOCP) Liu" , Wilson Ding , Yehuda Yitschak , Marcin Wojtas , Hanna Hawa , Kostya Porotchkin Subject: [PATCH v7 04/13] mmc: sdhci: Export sdhci_start_signal_voltage_switch() in sdhci.c Date: Thu, 30 Mar 2017 17:22:56 +0200 Message-Id: <0bca528a39b34230c09eca0bf30bcff4d3a5278f.1490886907.git-series.gregory.clement@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: References: In-Reply-To: References: Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.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 Acked-by: Adrian Hunter --- 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 d5bca886419d..cc5bb9fb7706 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1847,8 +1847,8 @@ 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; @@ -1940,6 +1940,7 @@ 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 b0cb805937c0..a741d8da6227 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -704,6 +704,8 @@ void sdhci_reset(struct sdhci_host *host, u8 mask); void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing); int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode); 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 int sdhci_suspend_host(struct sdhci_host *host);