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mfd: Switch the AB8500 GPADC to IIO

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The AB8500 GPADC driver is indeed a "general purpose ADC" driver,
and while the IIO subsystem did not exist when the driver was
first merged, it is never too late to clean things up and move it
to the right place.

Nowadays IIO provides the right abstractions and interfaces to
do generic ADC work in the kernel.

We have to cut a bunch of debugfs luggage to make this transition
swift, but all these files to is read out the raw values of the
ADC and the IIO subsystem already has a standard sysfs ABI for
doing exactly this: no debugfs is needed.

Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Linus Walleij
2019-10-11 09:18:05 +02:00
committed by Jonathan Cameron
parent 07063bbfa9
commit a77fc11156
5 changed files with 0 additions and 1873 deletions
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7
drivers/mfd/Kconfig
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@@ -1210,13 +1210,6 @@ config AB8500_DEBUG
Select this option if you want debug information using the debug
filesystem, debugfs.
config AB8500_GPADC
bool "ST-Ericsson AB8500 GPADC driver"
depends on AB8500_CORE && REGULATOR_AB8500
default y
help
AB8500 GPADC driver used to convert Acc and battery/ac/usb voltage
config MFD_DB8500_PRCMU
bool "ST-Ericsson DB8500 Power Reset Control Management Unit"
depends on UX500_SOC_DB8500