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: 9654457 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 8315E60349 for ; Thu, 30 Mar 2017 15:24:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 755D22852B for ; Thu, 30 Mar 2017 15:24:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 69D7428555; Thu, 30 Mar 2017 15:24:03 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D096D28552 for ; Thu, 30 Mar 2017 15:24:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=WIMp3Nz7f3O4ruv72Eh//Fxlktrs1agoUy3PqTnH8gI=; b=JCXp5x+BIpJycY3VhB+WTtFwbU vE1ZzRqsRlREDUaGU7+rxDtyQmE/pnJ9RExAwfrxrKsOfj+5GPt9SNxMbhCesbBAEI8CCDMCjUCH8 CDAtdbFsFMp1fgEzE9b5PEqZam+EMtSTRzd3fHFmk0YmZdgZO5qgbrCyJB9VbDnkzZGbvb5R49jex sFq7/NSLCsQ5Kr5dMuzsQ5WoOh4uoi+1VUX/jA4Kogi4oFq/vCgNJX5CdBQiTgr08dcuHlPVdv+B6 tJrTMY3KE8S++34KmZfE9J+OT/lI1p3UkvO65Uzc30Go33c0Zg8AbmhHvUAXrMeEk1+kLt/50KP8C HNxSYE6g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1ctbva-000581-Iq; Thu, 30 Mar 2017 15:23:58 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1ctbvM-0004sP-00 for linux-arm-kernel@lists.infradead.org; Thu, 30 Mar 2017 15:23:45 +0000 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 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: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170330_082344_393100_810DDBF5 X-CRM114-Status: GOOD ( 10.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jimmy Xu , Andrew Lunn , Mike Turquette , Nadav Haklai , Ziji Hu , Victor Gu , Doug Jones , linux-clk@vger.kernel.org, Jisheng Zhang , Yehuda Yitschak , Marcin Wojtas , Kostya Porotchkin , Hanna Hawa , Sebastian Hesselbarth , devicetree@vger.kernel.org, Jason Cooper , Rob Herring , Ryan Gao , Gregory CLEMENT , "Wei\(SOCP\) Liu" , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , Stephen Boyd , linux-kernel@vger.kernel.org, Wilson Ding 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 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);