Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6663c419 authored by ernest.zhang's avatar ernest.zhang Committed by Ulf Hansson
Browse files

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: default avatarernest.zhang <ernest.zhang@bayhubtech.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 3665ff03

drivers/mmc/host/sdhci.c

+8 −4
Original line number Diff line number Diff line
@@ -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)

{

drivers/mmc/host/sdhci.h

+5 −0
Original line number Diff line number Diff line
@@ -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 */