iio/adc: depend on SYSFS instead of selecting it

Drivers should not 'select' a subsystem. Instead they should depend
on it. If the subsystem is disabled, the user probably did that for
a purpose and one driver shouldn't be changing that.

This also makes all IIO drivers consistent w.r.t depending on SYSFS
instead of selecting it.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: linux-iio@vger.kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 47492c9..10f3ede 100644 (file)
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -144,10 +144,9 @@ config ASPEED_ADC
 config AT91_ADC
        tristate "Atmel AT91 ADC"
        depends on ARCH_AT91
-       depends on INPUT
+       depends on INPUT && SYSFS
        select IIO_BUFFER
        select IIO_TRIGGERED_BUFFER
-       select SYSFS
        help
          Say yes here to build support for Atmel AT91 ADC.