Commit fc53683b authored by Stanley Chu's avatar Stanley Chu Committed by Martin K. Petersen
Browse files

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: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 4de0d18d

drivers/ufs/core/ufshcd.c

+2 −1
Original line number Diff line number Diff line
@@ -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)

{

include/ufs/ufshcd.h

+1 −0
Original line number Diff line number Diff line
@@ -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