diff options
| author | Raviv Shvili <rshvili@codeaurora.org> | 2014-09-25 12:32:24 (GMT) |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-10-01 11:11:20 (GMT) |
| commit | 6a771a656041f404fae143e5d753d37f5c0688e7 (patch) | |
| tree | 13596a256da37823e27f83998c5698e0cbaf0c87 /drivers/scsi/ufs/ufshcd-pltfrm.c | |
| parent | c6e79dacd86fd7ddd452fa52b3f4ca996db31e49 (diff) | |
| download | linux-6a771a656041f404fae143e5d753d37f5c0688e7.tar.xz | |
ufs: add voting support for host controller power
Add the support for voting of the regulator powering the
host controller logic.
Signed-off-by: Raviv Shvili <rshvili@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Dolev Raviv <draviv@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd-pltfrm.c')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd-pltfrm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c index 642d80f..dde4e6e 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.c +++ b/drivers/scsi/ufs/ufshcd-pltfrm.c @@ -147,6 +147,11 @@ static int ufshcd_populate_vreg(struct device *dev, const char *name, vreg->name = kstrdup(name, GFP_KERNEL); + /* if fixed regulator no need further initialization */ + snprintf(prop_name, MAX_PROP_SIZE, "%s-fixed-regulator", name); + if (of_property_read_bool(np, prop_name)) + goto out; + snprintf(prop_name, MAX_PROP_SIZE, "%s-max-microamp", name); ret = of_property_read_u32(np, prop_name, &vreg->max_uA); if (ret) { @@ -198,6 +203,10 @@ static int ufshcd_parse_regulator_info(struct ufs_hba *hba) struct device *dev = hba->dev; struct ufs_vreg_info *info = &hba->vreg_info; + err = ufshcd_populate_vreg(dev, "vdd-hba", &info->vdd_hba); + if (err) + goto out; + err = ufshcd_populate_vreg(dev, "vcc", &info->vcc); if (err) goto out; |