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scsi: ufs: Export regulator functions

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Export below regulator functions to allow vendors to
customize regulator configuration in their own platforms.

int ufshcd_populate_vreg(struct device *dev, const char *name,
                         struct ufs_vreg **out_vreg);
int ufshcd_get_vreg(struct device *dev, struct ufs_vreg *vreg);

Link: https://lore.kernel.org/r/20220616053725.5681-10-stanley.chu@mediatek.com
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 13:37:23 +08:00 committed by Martin K. Petersen
parent 42b1928360
commit 1d6f9decb6
4 changed files with 9 additions and 3 deletions
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3
drivers/ufs/core/ufshcd.c
View File

@ -8415,7 +8415,7 @@ static int ufshcd_setup_hba_vreg(struct ufs_hba *hba, bool on)
return ufshcd_toggle_vreg(hba->dev, info->vdd_hba, on);
}
static int ufshcd_get_vreg(struct device *dev, struct ufs_vreg *vreg)
int ufshcd_get_vreg(struct device *dev, struct ufs_vreg *vreg)
{
int ret = 0;
@ -8431,6 +8431,7 @@ static int ufshcd_get_vreg(struct device *dev, struct ufs_vreg *vreg)
out:
return ret;
}
EXPORT_SYMBOL_GPL(ufshcd_get_vreg);
static int ufshcd_init_vreg(struct ufs_hba *hba)
{

5
drivers/ufs/host/ufshcd-pltfrm.c
View File

@ -109,8 +109,8 @@ out:
}
#define MAX_PROP_SIZE 32
static int ufshcd_populate_vreg(struct device *dev, const char *name,
struct ufs_vreg **out_vreg)
int ufshcd_populate_vreg(struct device *dev, const char *name,
struct ufs_vreg **out_vreg)
{
char prop_name[MAX_PROP_SIZE];
struct ufs_vreg *vreg = NULL;
@ -145,6 +145,7 @@ out:
*out_vreg = vreg;
return 0;
}
EXPORT_SYMBOL_GPL(ufshcd_populate_vreg);
/**
* ufshcd_parse_regulator_info - get regulator info from device tree

2
drivers/ufs/host/ufshcd-pltfrm.h
View File

@ -32,5 +32,7 @@ void ufshcd_init_pwr_dev_param(struct ufs_dev_params *dev_param);
int ufshcd_pltfrm_init(struct platform_device *pdev,
const struct ufs_hba_variant_ops *vops);
void ufshcd_pltfrm_shutdown(struct platform_device *pdev);
int ufshcd_populate_vreg(struct device *dev, const char *name,
struct ufs_vreg **out_vreg);
#endif /* UFSHCD_PLTFRM_H_ */

2
include/ufs/ufshcd.h
View File

@ -1199,6 +1199,8 @@ void ufshcd_map_desc_id_to_length(struct ufs_hba *hba, enum desc_idn desc_id,
u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba);
int ufshcd_get_vreg(struct device *dev, struct ufs_vreg *vreg);
int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd);
int ufshcd_exec_raw_upiu_cmd(struct ufs_hba *hba,