From patchwork Tue Dec 13 17:48:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gregory CLEMENT X-Patchwork-Id: 9472841 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 D768C607F0 for ; Tue, 13 Dec 2016 17:49:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C551928640 for ; Tue, 13 Dec 2016 17:49:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B9F4B2864C; Tue, 13 Dec 2016 17:49:55 +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=ham 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 3394B2865B for ; Tue, 13 Dec 2016 17:49:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934017AbcLMRtr (ORCPT ); Tue, 13 Dec 2016 12:49:47 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:34826 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934051AbcLMRsq (ORCPT ); Tue, 13 Dec 2016 12:48:46 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id F005E20E37; 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 BFCF520E2B; Tue, 13 Dec 2016 18:48:44 +0100 (CET) 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, 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 v4 03/12] mmc: sdhci: Export sdhci_execute_tuning() in sdhci.c Date: Tue, 13 Dec 2016 18:48:32 +0100 Message-Id: <6fe2592010e4dbb20da55e88ef80d95c30647f10.1481651244.git-series.gregory.clement@free-electrons.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Hu Ziji Export sdhci_execute_tuning() from sdhci.c. Thus vendor sdhci driver can execute its own tuning process. Signed-off-by: Hu Ziji Signed-off-by: Gregory CLEMENT --- drivers/mmc/host/sdhci.c | 3 ++- drivers/mmc/host/sdhci.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 8e6e4e37e3b4..e971abb1368f 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1950,7 +1950,7 @@ static int sdhci_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios) return 0; } -static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) +int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) { struct sdhci_host *host = mmc_priv(mmc); u16 ctrl; @@ -2139,6 +2139,7 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) spin_unlock_irqrestore(&host->lock, flags); return err; } +EXPORT_SYMBOL_GPL(sdhci_execute_tuning); static int sdhci_select_drive_strength(struct mmc_card *card, unsigned int max_dtr, int host_drv, diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index cd18b6f19c3b..95beadc66849 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -691,6 +691,7 @@ 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); +int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode); #ifdef CONFIG_PM extern int sdhci_suspend_host(struct sdhci_host *host);