linux-kernel - [PATCH v2 2/3] mmc: sdhci: Export sdhci_set_dma

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Message-Id: <20221130133747.3777340-3-vadym.kochan@plvision.eu>
Date:   Wed, 30 Nov 2022 15:37:46 +0200
From:   Vadym Kochan <vadym.kochan@...ision.eu>
To:     Hu Ziji <huziji@...vell.com>, Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Elad Nachman <enachman@...vell.com>,
        Chris Packham <chris.packham@...iedtelesis.co.nz>,
        Vadym Kochan <vadym.kochan@...ision.eu>
Subject: [PATCH v2 2/3] mmc: sdhci: Export sdhci_set_dma_mask to be used by the drivers

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

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 2108e8075609..e5d9abcc2116 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);
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