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power:pmic: prevent data abort for pmic bat command

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This patch prevents data abort when pmic bat command is called
on non-batery pmic device.

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Lukasz Majewski <l.majewski@samsung.com>
CC: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Piotr Wilczek 2013-09-26 14:43:35 +02:00 committed by Tom Rini
parent f835c77fb7
commit a6abaadcfa
1 changed files with 11 additions and 8 deletions
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19
drivers/power/power_core.c
View file

@ -184,18 +184,21 @@ int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (argc < 4)
return CMD_RET_USAGE;
if (!p->pbat) {
printf("%s is not a battery\n", p->name);
return CMD_RET_FAILURE;
}
if (strcmp(argv[3], "state") == 0)
p->fg->fg_battery_check(p->pbat->fg, p);
if (strcmp(argv[3], "charge") == 0) {
if (p->pbat) {
printf("BAT: %s charging (ctrl+c to break)\n",
p->name);
if (p->low_power_mode)
p->low_power_mode();
if (p->pbat->battery_charge)
p->pbat->battery_charge(p);
}
printf("BAT: %s charging (ctrl+c to break)\n",
p->name);
if (p->low_power_mode)
p->low_power_mode();
if (p->pbat->battery_charge)
p->pbat->battery_charge(p);
}
return CMD_RET_SUCCESS;