dev_err_probe() already display the error code. There is no need to
duplicate it explicitly in the error message.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
When the SOC approaches zero, an integer overflows in the columb
counter causing the driver to react poorly. This makes the driver
think it's at (above) the fully charged capacity when in fact it's
zero. It would then write this full capacity to NVRAM which would be
used on boot if the device remained off for less than 5 hours and
not plugged in.
This can be fixed and guarded against by doing the following:
- Changing the type of tmp in rk817_read_or_set_full_charge_on_boot()
to be an int instead of a u32. That way we can account for negative
numbers.
- Guard against negative values for the full charge on boot by setting
the charge to 0 if the system charge reports less than 0.
- Catch scenarios where the battery voltage is below the design
minimum voltage and set the system SOC to 0 at that time and update
the columb counter with a charge level of 0.
- Change the off time value from 5 hours to 30 minutes before we
recalculate the current capacity based on the OCV tables.
These changes allow the driver to operate better at low voltage/low
capacity conditions.
Fixes: 3268a4d9b0 ("power: supply: rk817: Fix unsigned comparison with less than zero")
Fixes: 11cb8da018 ("power: supply: Add charger driver for Rockchip RK817")
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Some code was left over from debugging the driver while it was in
development. Remove this code as it's not needed.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The tmp is defined as u32 type, which results in invalid processing of
tmp<0 in function rk817_read_or_set_full_charge_on_boot(). Therefore,
drop the comparison.
drivers/power/supply/rk817_charger.c:828 rk817_read_or_set_full_charge_on_boot() warn: unsigned 'tmp' is never less than zero.
drivers/power/supply/rk817_charger.c:788 rk817_read_or_set_full_charge_on_boot() warn: unsigned 'tmp' is never less than zero.
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3444
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Tested-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
- bq25890: add charge voltage/current support
- bd99954: convert to linear range
- convert all i2c drivers to use probe_new
- misc. fixes and cleanups
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Merge tag 'for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- bq25890: add charge voltage/current support
- bd99954: convert to linear range
- convert all i2c drivers to use probe_new
- misc fixes and cleanups
* tag 'for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (51 commits)
power: supply: fix null pointer dereferencing in power_supply_get_battery_info
power: supply: bq25890: Fix usb-notifier probe and remove races
power: supply: bq25890: Ensure pump_express_work is cancelled on remove
power: supply: Fix refcount leak in rk817_charger_probe
power: supply: bq25890: Only use pdata->regulator_init_data for vbus
power: supply: ab8500: Fix error handling in ab8500_charger_init()
power: supply: cw2015: Fix potential null-ptr-deref in cw_bat_probe()
power: supply: z2_battery: Fix possible memleak in z2_batt_probe()
power: supply: z2_battery: Convert to i2c's .probe_new()
power: supply: ucs1002: Convert to i2c's .probe_new()
power: supply: smb347: Convert to i2c's .probe_new()
power: supply: sbs-manager: Convert to i2c's .probe_new()
power: supply: sbs: Convert to i2c's .probe_new()
power: supply: rt9455: Convert to i2c's .probe_new()
power: supply: rt5033_battery: Convert to i2c's .probe_new()
power: supply: max17042_battery: Convert to i2c's .probe_new()
power: supply: max17040: Convert to i2c's .probe_new()
power: supply: max14656: Convert to i2c's .probe_new()
power: supply: ltc4162-l: Convert to i2c's .probe_new()
power: supply: ltc2941: Convert to i2c's .probe_new()
...
of_get_child_by_name() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
Fixes: 11cb8da018 ("power: supply: Add charger driver for Rockchip RK817")
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Reviewed-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Change return value of rk817_chg_cur_to_reg from u8 to int. If the
function fails to find a suitable value it returns a -EINVAL, but
defined as a u8 it would not return correctly. Additionally, change
defined variable that stores return value from u8 to int.
Fixes: 11cb8da018 ("power: supply: Add charger driver for Rockchip RK817")
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This code checks "->chg_ps" twice when it was supposed to check
"->bat_ps".
Fixes: 11cb8da018 ("power: supply: Add charger driver for Rockchip RK817")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add support for the Rockchip rk817 battery charger integrated into the
rk817 PMIC.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220827021623.23829-4-macroalpha82@gmail.com
Christophe JAILLET
Chris Morgan
Jiapeng Chong
Linus Torvalds
Qiheng Lin
Dan Carpenter