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usb: typec: stusb160x: fix some signedness bugs

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These variables are enums but in this situation GCC will treat them as
unsigned so the conditions are never true.

Fixes: da0cb63100 ("usb: typec: add support for STUSB160x Type-C controller family")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20201023112412.GD282278@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2020-10-23 14:24:12 +03:00 committed by Greg Kroah-Hartman
parent 3650b228f8
commit 063a3d6769
1 changed files with 4 additions and 3 deletions
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7
drivers/usb/typec/stusb160x.c
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@ -545,7 +545,7 @@ static int stusb160x_get_fw_caps(struct stusb160x *chip,
ret = fwnode_property_read_string(fwnode, "power-role", &cap_str);
if (!ret) {
chip->port_type = typec_find_port_power_role(cap_str);
if (chip->port_type < 0) {
if ((int)chip->port_type < 0) {
ret = chip->port_type;
return ret;
}
@ -567,9 +567,10 @@ static int stusb160x_get_fw_caps(struct stusb160x *chip,
if (!ret) {
chip->pwr_opmode = typec_find_pwr_opmode(cap_str);
/* Power delivery not yet supported */
if (chip->pwr_opmode < 0 ||
if ((int)chip->pwr_opmode < 0 ||
chip->pwr_opmode == TYPEC_PWR_MODE_PD) {
ret = chip->pwr_opmode < 0 ? chip->pwr_opmode : -EINVAL;
ret = (int)chip->pwr_opmode < 0 ? chip->pwr_opmode :
-EINVAL;
dev_err(chip->dev, "bad power operation mode: %d\n",
chip->pwr_opmode);
return ret;