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scsi: ufs: Export ufshcd_uic_change_pwr_mode() 

Export ufshcd_uic_change_pwr_mode() to allow vendors to use it for
SoC-specific power mode change design limitations.

Link: https://lore.kernel.org/r/20220616053725.5681-2-stanley.chu@mediatek.com
Reviewed-by: Bart Van Assche <bvanassche@acm.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 2022-06-16 13:37:15 +08:00 committed by Martin K. Petersen
parent 4de0d18da9
commit fc53683b45
2 changed files with 3 additions and 1 deletions
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3
drivers/ufs/core/ufshcd.c
View File

@ -4093,7 +4093,7 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
*
* Returns 0 on success, non-zero value on failure
*/
static int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode)
int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode)
{
struct uic_command uic_cmd = {0};
int ret;
@ -4118,6 +4118,7 @@ static int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode)
out:
return ret;
}
EXPORT_SYMBOL_GPL(ufshcd_uic_change_pwr_mode);
int ufshcd_link_recovery(struct ufs_hba *hba)
{

1
include/ufs/ufshcd.h
View File

@ -1099,6 +1099,7 @@ extern int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel,
u32 *mib_val, u8 peer);
extern int ufshcd_config_pwr_mode(struct ufs_hba *hba,
struct ufs_pa_layer_attr *desired_pwr_mode);
extern int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode);
/* UIC command interfaces for DME primitives */
#define DME_LOCAL 0