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authorJaehoon Chung <jh80.chung@samsung.com>2016-12-15 20:49:50 +0900
committerJaehoon Chung <jh80.chung@samsung.com>2017-01-11 19:40:14 +0900
commit505cf4750ae55e711663538b3ec7a294c08e7417 (patch)
tree43f8c393b19f0946457b1beda94d228b1e6fc6e0 /drivers/power/pmic
parent9c720c815b1b1e95fb13153396417dddf323511d (diff)
power: change from meaningless value to error number
'-1' is absolutely meaningless value. This patch changed from meaningless value to error number. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/power/pmic')
-rw-r--r--drivers/power/pmic/pmic_hi6553.c4
-rw-r--r--drivers/power/pmic/pmic_max77686.c18
-rw-r--r--drivers/power/pmic/pmic_max8997.c8
3 files changed, 15 insertions, 15 deletions
diff --git a/drivers/power/pmic/pmic_hi6553.c b/drivers/power/pmic/pmic_hi6553.c
index 0af798753e..b2346b6b4d 100644
--- a/drivers/power/pmic/pmic_hi6553.c
+++ b/drivers/power/pmic/pmic_hi6553.c
@@ -26,7 +26,7 @@ void hi6553_writeb(u32 offset, uint8_t value)
int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
{
if (check_reg(p, reg))
- return -1;
+ return -EINVAL;
hi6553_writeb(reg, (uint8_t)val);
@@ -36,7 +36,7 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
{
if (check_reg(p, reg))
- return -1;
+ return -EINVAL;
*val = (u32)hi6553_readb(reg);
diff --git a/drivers/power/pmic/pmic_max77686.c b/drivers/power/pmic/pmic_max77686.c
index 93c8d2b155..8e653316d1 100644
--- a/drivers/power/pmic/pmic_max77686.c
+++ b/drivers/power/pmic/pmic_max77686.c
@@ -67,14 +67,14 @@ int max77686_set_ldo_voltage(struct pmic *p, int ldo, ulong uV)
if (ldo < 1 || ldo > 26) {
printf("%s: %d is wrong ldo number\n", __func__, ldo);
- return -1;
+ return -EINVAL;
}
adr = MAX77686_REG_PMIC_LDO1CTRL1 + ldo - 1;
hex = max77686_ldo_volt2hex(ldo, uV);
if (!hex)
- return -1;
+ return -EINVAL;
ret = pmic_reg_read(p, adr, &val);
if (ret)
@@ -120,7 +120,7 @@ int max77686_set_ldo_mode(struct pmic *p, int ldo, char opmode)
if (ldo < 1 || 26 < ldo) {
printf("%s: %d is wrong ldo number\n", __func__, ldo);
- return -1;
+ return -EINVAL;
}
adr = MAX77686_REG_PMIC_LDO1CTRL1 + ldo - 1;
@@ -161,7 +161,7 @@ int max77686_set_ldo_mode(struct pmic *p, int ldo, char opmode)
if (mode == 0xff) {
printf("%s: %d is not supported on LDO%d\n",
__func__, opmode, ldo);
- return -1;
+ return -ENOTSUPP;
}
ret = pmic_reg_read(p, adr, &val);
@@ -182,7 +182,7 @@ int max77686_set_buck_mode(struct pmic *p, int buck, char opmode)
size = ARRAY_SIZE(max77686_buck_addr);
if (buck >= size) {
printf("%s: %d is wrong buck number\n", __func__, buck);
- return -1;
+ return -EINVAL;
}
adr = max77686_buck_addr[buck];
@@ -238,7 +238,7 @@ int max77686_set_buck_mode(struct pmic *p, int buck, char opmode)
if (mode == 0xff) {
printf("%s: %d is not supported on BUCK%d\n",
__func__, opmode, buck);
- return -1;
+ return -ENOTSUPP;
}
ret = pmic_reg_read(p, adr, &val);
@@ -271,20 +271,20 @@ int pmic_init(unsigned char bus)
if (node < 0) {
debug("PMIC: No node for PMIC Chip in device tree\n");
debug("node = %d\n", node);
- return -1;
+ return -ENODEV;
}
parent = fdt_parent_offset(blob, node);
if (parent < 0) {
debug("%s: Cannot find node parent\n", __func__);
- return -1;
+ return -ENODEV;
}
/* tmp since p->bus is unsigned */
tmp = i2c_get_bus_num_fdt(parent);
if (tmp < 0) {
debug("%s: Cannot find I2C bus\n", __func__);
- return -1;
+ return -ENODEV;
}
p->bus = tmp;
p->hw.i2c.addr = fdtdec_get_int(blob, node, "reg", 9);
diff --git a/drivers/power/pmic/pmic_max8997.c b/drivers/power/pmic/pmic_max8997.c
index a36a9a08bf..32afb3f7d0 100644
--- a/drivers/power/pmic/pmic_max8997.c
+++ b/drivers/power/pmic/pmic_max8997.c
@@ -33,7 +33,7 @@ static int pmic_charger_state(struct pmic *p, int state, int current)
u32 val = 0;
if (pmic_probe(p))
- return -1;
+ return -ENODEV;
if (state == PMIC_CHARGER_DISABLE) {
puts("Disable the charger.\n");
@@ -41,13 +41,13 @@ static int pmic_charger_state(struct pmic *p, int state, int current)
val &= ~(MBCHOSTEN | VCHGR_FC);
pmic_reg_write(p, MAX8997_REG_MBCCTRL2, val);
- return -1;
+ return -ENOTSUPP;
}
if (current < CHARGER_MIN_CURRENT || current > CHARGER_MAX_CURRENT) {
printf("%s: Wrong charge current: %d [mA]\n",
__func__, current);
- return -1;
+ return -EINVAL;
}
fc = (current - CHARGER_MIN_CURRENT) / CHARGER_CURRENT_RESOLUTION;
@@ -71,7 +71,7 @@ static int pmic_charger_bat_present(struct pmic *p)
u32 val;
if (pmic_probe(p))
- return -1;
+ return -ENODEV;
pmic_reg_read(p, MAX8997_REG_STATUS4, &val);