linux-kernel - [PATCH 5.4 289/309] mfd: rn5t618: Mark ADC control register volatile

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Message-Id: <20200210122434.450710665@linuxfoundation.org>
Date:   Mon, 10 Feb 2020 04:34:05 -0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andreas Kemnade <andreas@...nade.info>,
        Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 5.4 289/309] mfd: rn5t618: Mark ADC control register volatile

From: Andreas Kemnade <andreas@...nade.info>

commit 2f3dc25c0118de03a00ddc88b61f7216854f534d upstream.

There is a bit which gets cleared after conversion.

Fixes: 9bb9e29c78f8 ("mfd: Add Ricoh RN5T618 PMIC core driver")
Signed-off-by: Andreas Kemnade <andreas@...nade.info>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/mfd/rn5t618.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -26,6 +26,7 @@ static bool rn5t618_volatile_reg(struct
 	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: