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Add missing platform_set_drvdata() in tps65217_charger_probe(), otherwise
calling platform_get_drvdata() in remove returns NULL.
This is detected by Coccinelle semantic patch.
Fixes: 3636859b280c ("power_supply: Add support for tps65217-charger")
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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This bug leads to:
[ 1.906411] Unable to handle kernel NULL pointer dereference at virtual address 0000000c
[ 1.914878] pgd = c0004000
[ 1.917786] [0000000c] *pgd=00000000
[ 1.921536] Internal error: Oops: 5 [#1] SMP ARM
[ 1.926357] Modules linked in:
[ 1.929556] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.4.5 #18
[ 1.936006] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 1.942383] Workqueue: events power_supply_changed_work
[ 1.947842] task: de2c41c0 ti: de2c8000 task.ti: de2c8000
[ 1.953483] PC is at tps65217_ac_get_property+0x14/0x28
[ 1.958937] LR is at tps65217_ac_get_property+0x10/0x28
Driver was trying to use drv_data in property get handler. However drv_data
was not set, so it caused NULL pointer dereference. This patch properly
sets drv_data during probe by power_supply_config parameter, so the
property get handler works as desired.
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Fixes: 3636859b280c ("power_supply: Add support for tps65217-charger")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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This patch adds support for the tps65217 charger driver. This driver is
responsible for controlling the charger aspect of the tps65217 mfd.
Currently, this mainly consists of turning on and off the charger, but
some other features of the charger can be supported through this driver.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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Wei Yongjun
Marcin Niestroj
Enric Balletbo i Serra