linux-kernel - [PATCH 3/10] mmc: sdhci: Export sdhci_execute

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Message-Id: <316397d154927e413720ca2b2ad4089eaef24551.1477911954.git-series.gregory.clement@free-electrons.com>
Date:   Mon, 31 Oct 2016 12:09:52 +0100
From:   Gregory CLEMENT <gregory.clement@...e-electrons.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-mmc@...r.kernel.org
Cc:     Jason Cooper <jason@...edaemon.net>, Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory CLEMENT <gregory.clement@...e-electrons.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        linux-arm-kernel@...ts.infradead.org, Ziji Hu <huziji@...vell.com>,
        "Jack(SH) Zhu" <jmzhu@...vell.com>, Jimmy Xu <zmxu@...vell.com>,
        Jisheng Zhang <jszhang@...vell.com>,
        Nadav Haklai <nadavh@...vell.com>, Ryan Gao <ygao@...vell.com>,
        Doug Jones <dougj@...vell.com>,
        Shiwu Zhang <zhangshw@...vell.com>,
        Victor Gu <xigu@...vell.com>,
        "Wei(SOCP) Liu" <liuw@...vell.com>,
        Wilson Ding <dingwei@...vell.com>,
        Xueping Liu <xpliu@...vell.com>,
        Hilbert Zhang <zzhang@...vell.com>,
        Keji Zhang <keji@...vell.com>,
        Liuliu Zhao <zhaoliul@...vell.com>,
        Peng Zhu <zhupeng@...vell.com>, Yu Cao <yucao@...vell.com>,
        Romain Perier <romain.perier@...e-electrons.com>,
        Yehuda Yitschak <yehuday@...vell.com>,
        Marcin Wojtas <mw@...ihalf.com>,
        Hanna Hawa <hannah@...vell.com>,
        Kostya Porotchkin <kostap@...vell.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/10] mmc: sdhci: Export sdhci_execute_tuning() in sdhci.c

From: Ziji Hu <huziji@...vell.com>

Export sdhci_execute_tuning() from sdhci.c.
Thus vendor sdhci driver can execute its own tuning process.

Signed-off-by: Hu Ziji <huziji@...vell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
---
 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);
-- 
git-series 0.8.10