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'struct regmap_irq_chip' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.
While at it, also constify some other structures.
On a x86_64, with allmodconfig, as an example:
Before:
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text data bss dec hex filename
5032 3304 64 8400 20d0 drivers/mfd/88pm886.o
After:
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text data bss dec hex filename
5800 2536 64 8400 20d0 drivers/mfd/88pm886.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/1681629840761e30494cb8920668710df60a81b8.1746996137.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Lee Jones <lee@kernel.org>
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Device can be unbound, so driver must also release memory for the wakeup
source.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Karel Balej <balejk@matfyz.cz>
Link: https://lore.kernel.org/r/20250406-mfd-device-wakekup-leak-v1-1-318e14bdba0a@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Add a MFD cell for the chip's Real-Time Clock (RTC).
Signed-off-by: Karel Balej <balejk@matfyz.cz>
Link: https://lore.kernel.org/r/20241012193345.18594-1-balejk@matfyz.cz
Signed-off-by: Lee Jones <lee@kernel.org>
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Marvell 88PM886 is a PMIC which provides various functions such as
onkey, battery, charger and regulators. It is found for instance in the
samsung,coreprimevelte smartphone with which this was tested. Implement
basic support to allow for the use of regulators and onkey.
Signed-off-by: Karel Balej <balejk@matfyz.cz>
Link: https://lore.kernel.org/r/20240531175109.15599-3-balejk@matfyz.cz
Signed-off-by: Lee Jones <lee@kernel.org>
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