scsi: ufs: Export regulator functions

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>

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 295a900d39a333a914953445e3091e16eb20a2ee..cdea7edeb14d5e0d589017b53f411c77a980f109 100644 (file)
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -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)
 {

diff --git a/drivers/ufs/host/ufshcd-pltfrm.c b/drivers/ufs/host/ufshcd-pltfrm.c
index e7332cc65b1fecfaa1f62d683ea77391949a5c4e..2dd9c660531b7e8cd0d92e4be698175d47f6de06 100644 (file)
--- a/drivers/ufs/host/ufshcd-pltfrm.c
+++ b/drivers/ufs/host/ufshcd-pltfrm.c
@@ -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

diff --git a/drivers/ufs/host/ufshcd-pltfrm.h b/drivers/ufs/host/ufshcd-pltfrm.h
index 43c2e412bd9904248a45a87b2b34d6c135498003..5130c9471dc250739d005230080522971ada9492 100644 (file)
--- a/drivers/ufs/host/ufshcd-pltfrm.h
+++ b/drivers/ufs/host/ufshcd-pltfrm.h
@@ -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_ */

diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h
index cb66304bda3d951ae7df437b563e938d2b12b824..b5c9064a11d9d8d42d53b75d5618bc52c2b0d59b 100644 (file)
--- a/include/ufs/ufshcd.h
+++ b/include/ufs/ufshcd.h
@@ -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,