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From:   Vadym Kochan <vadym.kochan@plvision.eu>
To:     Hu Ziji <huziji@marvell.com>, Ulf Hansson <ulf.hansson@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Adrian Hunter <adrian.hunter@intel.com>,
        linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     Elad Nachman <enachman@marvell.com>,
        Chris Packham <chris.packham@alliedtelesis.co.nz>,
        Vadym Kochan <vadym.kochan@plvision.eu>
Subject: [PATCH v3 2/3] mmc: sdhci: Export sdhci_set_dma_mask to be used by the drivers
Date:   Mon,  5 Dec 2022 12:59:29 +0200
Message-Id: <20221205105931.410686-3-vadym.kochan@plvision.eu>
In-Reply-To: <20221205105931.410686-1-vadym.kochan@plvision.eu>
References: <20221205105931.410686-1-vadym.kochan@plvision.eu>
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Particularly it is needed for xenon-sdhci which uses set_dma_mask callback
to fixup the DMA settings for AC5 SoC.

Signed-off-by: Vadym Kochan <vadym.kochan@plvision.eu>
---
v3:
   #1 Fix missing EXPORT_SYMBOL_GPL for sdhci_set_dma_mask

 drivers/mmc/host/sdhci.c | 3 ++-
 drivers/mmc/host/sdhci.h | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 2108e8075609..d3ed0531d985 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -4022,7 +4022,7 @@ struct sdhci_host *sdhci_alloc_host(struct device *dev,
 
 EXPORT_SYMBOL_GPL(sdhci_alloc_host);
 
-static int sdhci_set_dma_mask(struct sdhci_host *host)
+int sdhci_set_dma_mask(struct sdhci_host *host)
 {
 	struct mmc_host *mmc = host->mmc;
 	struct device *dev = mmc_dev(mmc);
@@ -4051,6 +4051,7 @@ static int sdhci_set_dma_mask(struct sdhci_host *host)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(sdhci_set_dma_mask);
 
 void __sdhci_read_caps(struct sdhci_host *host, const u16 *ver,
 		       const u32 *caps, const u32 *caps1)
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 908da47ac5ba..b46d47c19650 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -815,4 +815,6 @@ void sdhci_switch_external_dma(struct sdhci_host *host, bool en);
 void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable);
 void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd);
 
+int sdhci_set_dma_mask(struct sdhci_host *host);
+
 #endif /* __SDHCI_HW_H */
-- 
2.25.1