Commit 9d19bf7a authored by Stanley Chu's avatar Stanley Chu Committed by Martin K. Petersen
Browse files

scsi: ufs: export some functions for vendor usage 

Export below functions for vendor usage:

int ufshcd_hba_enable(struct ufs_hba *hba);
int ufshcd_make_hba_operational(struct ufs_hba *hba);
int ufshcd_uic_hibern8_exit(struct ufs_hba *hba);

Link: https://lore.kernel.org/r/20200117035108.19699-3-stanley.chu@mediatek.com


Reviewed-by: default avatarAlim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: default avatarAsutosh Das <asutoshd@codeaurora.org>
Signed-off-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent b406a197

drivers/scsi/ufs/ufshcd.c

+7 −4
Original line number Diff line number Diff line
@@ -250,7 +250,6 @@ static int ufshcd_probe_hba(struct ufs_hba *hba); 
static int __ufshcd_setup_clocks(struct ufs_hba *hba, bool on,

				 bool skip_ref_clk);

static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on);

static int ufshcd_uic_hibern8_exit(struct ufs_hba *hba);

static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba);

static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba);

static int ufshcd_host_reset_and_restore(struct ufs_hba *hba);
@@ -3865,7 +3864,7 @@ static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba) 
	return ret;

}



static int ufshcd_uic_hibern8_exit(struct ufs_hba *hba)

int ufshcd_uic_hibern8_exit(struct ufs_hba *hba)

{

	struct uic_command uic_cmd = {0};

	int ret;
@@ -3891,6 +3890,7 @@ static int ufshcd_uic_hibern8_exit(struct ufs_hba *hba) 


	return ret;

}

EXPORT_SYMBOL_GPL(ufshcd_uic_hibern8_exit);



void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit)

{
@@ -4162,7 +4162,7 @@ static int ufshcd_complete_dev_init(struct ufs_hba *hba) 
 *

 * Returns 0 on success, non-zero value on failure

 */

static int ufshcd_make_hba_operational(struct ufs_hba *hba)

int ufshcd_make_hba_operational(struct ufs_hba *hba)

{

	int err = 0;

	u32 reg;
@@ -4208,6 +4208,7 @@ static int ufshcd_make_hba_operational(struct ufs_hba *hba) 
out:

	return err;

}

EXPORT_SYMBOL_GPL(ufshcd_make_hba_operational);



/**

 * ufshcd_hba_stop - Send controller to reset state
@@ -4285,7 +4286,7 @@ static int ufshcd_hba_execute_hce(struct ufs_hba *hba) 
	return 0;

}



static int ufshcd_hba_enable(struct ufs_hba *hba)

int ufshcd_hba_enable(struct ufs_hba *hba)

{

	int ret;
@@ -4310,6 +4311,8 @@ static int ufshcd_hba_enable(struct ufs_hba *hba) 


	return ret;

}

EXPORT_SYMBOL_GPL(ufshcd_hba_enable);



static int ufshcd_disable_tx_lcc(struct ufs_hba *hba, bool peer)

{

	int tx_lanes, i, err = 0;

drivers/scsi/ufs/ufshcd.h

+3 −0
Original line number Diff line number Diff line
@@ -799,8 +799,11 @@ static inline void ufshcd_rmwl(struct ufs_hba *hba, u32 mask, u32 val, u32 reg) 


int ufshcd_alloc_host(struct device *, struct ufs_hba **);

void ufshcd_dealloc_host(struct ufs_hba *);

int ufshcd_hba_enable(struct ufs_hba *hba);

int ufshcd_init(struct ufs_hba * , void __iomem * , unsigned int);

int ufshcd_make_hba_operational(struct ufs_hba *hba);

void ufshcd_remove(struct ufs_hba *);

int ufshcd_uic_hibern8_exit(struct ufs_hba *hba);

int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask,

				u32 val, unsigned long interval_us,

				unsigned long timeout_ms, bool can_sleep);