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mfd: rn5t618: Mark ADC control register volatile
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There is a bit which gets cleared after conversion.

Fixes: 9bb9e29 ("mfd: Add Ricoh RN5T618 PMIC core driver")
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Andreas Kemnade authored and Lee Jones committed Jan 24, 2020
1 parent aac5d8f commit 2f3dc25
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1 change: 1 addition & 0 deletions drivers/mfd/rn5t618.c
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ static bool rn5t618_volatile_reg(struct device *dev, unsigned int reg)
case RN5T618_WATCHDOGCNT:
case RN5T618_DCIRQ:
case RN5T618_ILIMDATAH ... RN5T618_AIN0DATAL:
case RN5T618_ADCCNT3:
case RN5T618_IR_ADC1 ... RN5T618_IR_ADC3:
case RN5T618_IR_GPR:
case RN5T618_IR_GPF:
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