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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: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Stanley Chu 2020-01-17 11:51:07 +08:00 committed by Martin K. Petersen
parent b406a19783
commit 9d19bf7ad1
2 changed files with 10 additions and 4 deletions
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11
drivers/scsi/ufs/ufshcd.c
View File

@ -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 @@ out:
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 @@ out:
*
* 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;

3
drivers/scsi/ufs/ufshcd.h
View File

@ -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);