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authorernest.zhang <ernest.zhang@bayhubtech.com>2018-07-16 14:26:53 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2018-07-30 14:25:06 +0200
commit6663c419a046cdfcf3598b6d0855817b5c6287ae (patch)
treec805f03d713f6e35d4ef3faced2987028c54aa48 /drivers/mmc
parent3665ff03c16ee6436d45a699565ba08f7ebdebb5 (diff)
mmc: sdhci: Export sdhci tuning function symbol
Export sdhci tuning function symbols which are used by other SD Host controller driver modules. Signed-off-by: ernest.zhang <ernest.zhang@bayhubtech.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci.c12
-rw-r--r--drivers/mmc/host/sdhci.h5
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 */