scsi: ufs: Remove unused constants and code

Commit 5b44a07b6bb2 ("scsi: ufs: Remove pre-defined initial voltage values
of device power") removed the code that uses the UFS_VREG_VCC* constants
and also the code that sets the min_uV and max_uV member variables. Hence
also remove these constants and that member variable.

Link: https://lore.kernel.org/r/20220419225811.4127248-13-bvanassche@acm.org
Tested-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 4a00c24..225b5b4 100644 (file)
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -562,15 +562,6 @@ struct ufs_query_res {
        struct utp_upiu_query upiu_res;
 };
 
-#define UFS_VREG_VCC_MIN_UV       2700000 /* uV */
-#define UFS_VREG_VCC_MAX_UV       3600000 /* uV */
-#define UFS_VREG_VCC_1P8_MIN_UV    1700000 /* uV */
-#define UFS_VREG_VCC_1P8_MAX_UV    1950000 /* uV */
-#define UFS_VREG_VCCQ_MIN_UV      1140000 /* uV */
-#define UFS_VREG_VCCQ_MAX_UV      1260000 /* uV */
-#define UFS_VREG_VCCQ2_MIN_UV     1700000 /* uV */
-#define UFS_VREG_VCCQ2_MAX_UV     1950000 /* uV */
-
 /*
  * VCCQ & VCCQ2 current requirement when UFS device is in sleep state
  * and link is in Hibern8 state.
@@ -582,8 +573,6 @@ struct ufs_vreg {
        const char *name;
        bool always_on;
        bool enabled;
-       int min_uV;
-       int max_uV;
        int max_uA;
 };
 

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index e27d62e..71feec3 100644 (file)
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -8309,33 +8309,10 @@ static inline int ufshcd_config_vreg_hpm(struct ufs_hba *hba,
 static int ufshcd_config_vreg(struct device *dev,
                struct ufs_vreg *vreg, bool on)
 {
-       int ret = 0;
-       struct regulator *reg;
-       const char *name;
-       int min_uV, uA_load;
-
-       BUG_ON(!vreg);
-
-       reg = vreg->reg;
-       name = vreg->name;
-
-       if (regulator_count_voltages(reg) > 0) {
-               uA_load = on ? vreg->max_uA : 0;
-               ret = ufshcd_config_vreg_load(dev, vreg, uA_load);
-               if (ret)
-                       goto out;
+       if (regulator_count_voltages(vreg->reg) <= 0)
+               return 0;
 
-               if (vreg->min_uV && vreg->max_uV) {
-                       min_uV = on ? vreg->min_uV : 0;
-                       ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
-                       if (ret)
-                               dev_err(dev,
-                                       "%s: %s set voltage failed, err=%d\n",
-                                       __func__, name, ret);
-               }
-       }
-out:
-       return ret;
+       return ufshcd_config_vreg_load(dev, vreg, on ? vreg->max_uA : 0);
 }
 
 static int ufshcd_enable_vreg(struct device *dev, struct ufs_vreg *vreg)