diff options
| author | Asutosh Das <asutoshd@codeaurora.org> | 2017-02-10 09:58:55 +0530 |
|---|---|---|
| committer | Asutosh Das <asutoshd@codeaurora.org> | 2017-02-17 07:12:00 +0530 |
| commit | fd9bba4caa0d21a0569c8bc75876c3dbe0f46c39 (patch) | |
| tree | b8958675abc1b62d07aa04d4762e35d68a7380be /drivers/phy | |
| parent | c1c02eecad41ac28d788b1db9b0d10ccd8adb7a5 (diff) | |
phy: qcom-ufs: parse ref-clk details prior to resource request
Do not request a resource if the ref clk regulator details are
not defined in ufs phy node.
Change-Id: I10eb426d4407388681340cb71fe9e761794dc298
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/phy-qcom-ufs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/phy/phy-qcom-ufs.c b/drivers/phy/phy-qcom-ufs.c index 6e06fef81849..c3cb57ed6083 100644 --- a/drivers/phy/phy-qcom-ufs.c +++ b/drivers/phy/phy-qcom-ufs.c @@ -267,6 +267,14 @@ static int __ufs_qcom_phy_init_vreg(struct phy *phy, char prop_name[MAX_PROP_NAME]; + if (dev->of_node) { + snprintf(prop_name, MAX_PROP_NAME, "%s-supply", name); + if (!of_parse_phandle(dev->of_node, prop_name, 0)) { + dev_dbg(dev, "No vreg data found for %s\n", prop_name); + return optional ? err : -ENODATA; + } + } + vreg->name = kstrdup(name, GFP_KERNEL); if (!vreg->name) { err = -ENOMEM; |