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iio: adc: stm32: make per instance bus clock optional
authorFabrice Gasnier <fabrice.gasnier@st.com>
Mon, 29 May 2017 09:28:19 +0000 (11:28 +0200)
committerJonathan Cameron <jic23@kernel.org>
Sun, 11 Jun 2017 14:07:26 +0000 (15:07 +0100)
commit204a6a25db79a0d754451c023933e0470b498730
tree9ff4d3cced3fa19202d5dcdf5f113eabad86bda7tree | snapshot (tar.gz zip)
parent64ad7f6438f3be51a14ee5ae766ffee76cd28b02commit | diff
iio: adc: stm32: make per instance bus clock optional

STM32F4 requires one clock per ADC instance for register access. But,
newer version of ADC hardware block have common bus clock for all
instances (per instance driver isn't responsible for getting it).
So, make it optional by default. Still, enforce it's required on STM32F4.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/iio/adc/stm32-adc.c diff | blob | blame | history