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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>
hifive-unleashed-5.1
ernest.zhang 2018-07-16 14:26:53 +08:00 committed by Ulf Hansson
parent 3665ff03c1
commit 6663c419a0
2 changed files with 13 additions and 4 deletions
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12
drivers/mmc/host/sdhci.c
View File

@ -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)
{

5
drivers/mmc/host/sdhci.h
View File

@ -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 */