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Subject[PATCH V7 3/5] mmc: sdhci: Export sdhci tuning function symbol
Date
Export sdhci tuning function symbols which are used by other SD Host
controller driver modules.

Signed-off-by: ernest.zhang <ernest.zhang@bayhubtech.com>
---
Changes in V7:
Export sdhci tuning function symbols

Changes in V1~V6
N/A
---
drivers/mmc/host/sdhci.c | 12 ++++++++----
drivers/mmc/host/sdhci.h | 5 +++++
2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index a7b5602ef6f7..bcea179a8d70 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2103,7 +2103,7 @@ static int sdhci_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios)
return 0;
}

-static void sdhci_start_tuning(struct sdhci_host *host)
+void sdhci_start_tuning(struct sdhci_host *host)
{
u16 ctrl;

@@ -2126,14 +2126,16 @@ static void sdhci_start_tuning(struct sdhci_host *host)
sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE);
sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE);
}
+EXPORT_SYMBOL_GPL(sdhci_start_tuning);

-static void sdhci_end_tuning(struct sdhci_host *host)
+void sdhci_end_tuning(struct sdhci_host *host)
{
sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
}
+EXPORT_SYMBOL_GPL(sdhci_end_tuning);

-static void sdhci_reset_tuning(struct sdhci_host *host)
+void sdhci_reset_tuning(struct sdhci_host *host)
{
u16 ctrl;

@@ -2142,6 +2144,7 @@ static void sdhci_reset_tuning(struct sdhci_host *host)
ctrl &= ~SDHCI_CTRL_EXEC_TUNING;
sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
}
+EXPORT_SYMBOL_GPL(sdhci_reset_tuning);

static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode)
{
@@ -2162,7 +2165,7 @@ static void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode)
* interrupt setup is different to other commands and there is no timeout
* interrupt so special handling is needed.
*/
-static void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
+void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
{
struct mmc_host *mmc = host->mmc;
struct mmc_command cmd = {};
@@ -2212,6 +2215,7 @@ static void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
msecs_to_jiffies(50));

}
+EXPORT_SYMBOL_GPL(sdhci_send_tuning);

static void __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode)
{
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 23966f887da6..f0bd36ce3817 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -748,4 +748,9 @@ bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error,

void sdhci_dumpregs(struct sdhci_host *host);

+void sdhci_start_tuning(struct sdhci_host *host);
+void sdhci_end_tuning(struct sdhci_host *host);
+void sdhci_reset_tuning(struct sdhci_host *host);
+void sdhci_send_tuning(struct sdhci_host *host, u32 opcode);
+
#endif /* __SDHCI_HW_H */
--
2.17.1
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