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Function devm_kzalloc() will return a NULL pointer. However, in function
isp1704_charger_probe(), the return value of devm_kzalloc() is directly
used without validation. This may result in a bad memory access bug.
Fixes: 34a109610e2a ("isp1704_charger: Add DT support")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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Replace ifdefs with SIMPLE_DEV_PM_OPS helper macro.
Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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Since we use the default primary handler for the irq, IRQF_ONESHOT must
be set. Otherwise the request fails and the following errors are
displayed:
genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq 129
sbs-battery 0-000b: Failed to request irq: -22
Signed-off-by: Ryosuke Saito <raitosyo@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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The X-Powers AXP20X and AXP22X PMICs can have a battery as power supply.
This patch adds the battery power supply driver to get various data from
the PMIC, such as the battery status (charging, discharging, full,
dead), current max limit, current current, battery capacity (in
percentage), voltage max and min limits, current voltage and battery
capacity (in Ah).
This battery driver uses the AXP20X/AXP22X ADC driver as PMIC data
provider.
Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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Pan Bian
Rahul Bedarkar
Ryosuke Saito
Quentin Schulz