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: 9472863 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 94DAF60476 for ; Tue, 13 Dec 2016 17:51:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 88FDE28634 for ; Tue, 13 Dec 2016 17:51:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7D97F2863F; Tue, 13 Dec 2016 17:51:44 +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 0AF4C28634 for ; Tue, 13 Dec 2016 17:51:44 +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 1cGrDP-0001Jp-4s; Tue, 13 Dec 2016 17:50:11 +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 1cGrCM-0000dg-0q for linux-arm-kernel@lists.infradead.org; Tue, 13 Dec 2016 17:49:08 +0000 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 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: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161213_094906_373332_E2E8FF4D X-CRM114-Status: UNSURE ( 9.80 ) 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_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);