diff options
Diffstat (limited to 'drivers/usb/phy/phy-mxs-usb.c')
| -rw-r--r-- | drivers/usb/phy/phy-mxs-usb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index da031c45395a..e5aa24c1e4fd 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -578,7 +578,7 @@ static enum usb_charger_type mxs_charger_primary_detection(struct mxs_phy *x) * It must be called after DP is pulled up, which is used to * differentiate DCP and CDP. */ -enum usb_charger_type mxs_charger_secondary_detection(struct mxs_phy *x) +static enum usb_charger_type mxs_charger_secondary_detection(struct mxs_phy *x) { struct regmap *regmap = x->regmap_anatop; int val; @@ -602,6 +602,9 @@ static enum usb_charger_type mxs_phy_charger_detect(struct usb_phy *phy) void __iomem *base = phy->io_priv; enum usb_charger_type chgr_type = UNKNOWN_TYPE; + if (!regmap) + return UNKNOWN_TYPE; + if (mxs_charger_data_contact_detect(mxs_phy)) return chgr_type; |