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FROMLIST: scsi: ufs: Export ufshcd_uic_change_pwr_mode()

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

Bug: 235550312
Link: https://lore.kernel.org/linux-scsi/20220609085751.25305-2-stanley.chu@mediatek.com/
Change-Id: I43a31489ec727199a0e40cfc99202fdfd0a16214
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
This commit is contained in:
Stanley Chu
2022-06-10 15:05:42 +08:00
committed by Carlos Llamas
parent 57388a13ab
commit 97d940cfa3
2 changed files with 3 additions and 1 deletions
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3
drivers/scsi/ufs/ufshcd.c
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@@ -4056,7 +4056,7 @@ out_unlock:
* *
* Returns 0 on success, non-zero value on failure * 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}; struct uic_command uic_cmd = {0};
int ret; int ret;
@@ -4081,6 +4081,7 @@ static int ufshcd_uic_change_pwr_mode(struct ufs_hba *hba, u8 mode)
out: out:
return ret; return ret;
} }
EXPORT_SYMBOL_GPL(ufshcd_uic_change_pwr_mode);
int ufshcd_link_recovery(struct ufs_hba *hba) int ufshcd_link_recovery(struct ufs_hba *hba)
{ {

1
drivers/scsi/ufs/ufshcd.h
View File

@@ -1127,6 +1127,7 @@ extern int ufshcd_dme_get_attr(struct ufs_hba *hba, u32 attr_sel,
u32 *mib_val, u8 peer); u32 *mib_val, u8 peer);
extern int ufshcd_config_pwr_mode(struct ufs_hba *hba, extern int ufshcd_config_pwr_mode(struct ufs_hba *hba,
struct ufs_pa_layer_attr *desired_pwr_mode); 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 */ /* UIC command interfaces for DME primitives */
#define DME_LOCAL 0 #define DME_LOCAL 0