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>
diff --git a/drivers/power/power_core.c b/drivers/power/power_core.c
index fe1f316..b72286d 100644
--- a/drivers/power/power_core.c
+++ b/drivers/power/power_core.c
@@ -23,7 +23,7 @@
if (reg >= p->number_of_regs) {
printf("<reg num> = %d is invalid. Should be less than %d\n",
reg, p->number_of_regs);
- return -1;
+ return -EINVAL;
}
return 0;
@@ -34,7 +34,7 @@
u32 val;
if (pmic_reg_read(p, reg, &val))
- return -1;
+ return -ENOTSUPP;
if (on)
val |= out;
@@ -42,7 +42,7 @@
val &= ~out;
if (pmic_reg_write(p, reg, val))
- return -1;
+ return -ENOTSUPP;
return 0;
}
@@ -59,7 +59,7 @@
if (!p) {
puts("Wrong PMIC name!\n");
- return -1;
+ return -ENODEV;
}
pmic_show_info(p);