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authorBart Van Assche <bvanassche@acm.org>2022-04-19 15:57:55 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2022-04-25 23:23:02 -0400
commit9474c64e83ca5561a7c5b410395ec6c24616d3b4 (patch)
tree6e39ffef79d8ad8dfff2ed5977d389c7b40b7681 /drivers/scsi/ufs
parentacbbfe484faac99d0088aa259e62a5b55aef3b39 (diff)
downloadlinux-9474c64e83ca5561a7c5b410395ec6c24616d3b4.tar.bz2
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>
Diffstat (limited to 'drivers/scsi/ufs')
-rw-r--r--drivers/scsi/ufs/ufs.h11
-rw-r--r--drivers/scsi/ufs/ufshcd.c29
2 files changed, 3 insertions, 37 deletions
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 4a00c24a3209..225b5b4a2a7e 100644
--- 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 e27d62e9bc83..71feec3345ec 100644
--- 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)