linux-kernel - [PATCH] mfd: axp20x: Fix axp288 writable-ranges

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Message-Id: <20230329205544.1051393-1-hdegoede@redhat.com>
Date:   Wed, 29 Mar 2023 22:55:44 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Lee Jones <lee@...nel.org>, Chen-Yu Tsai <wens@...e.org>
Cc:     Hans de Goede <hdegoede@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] mfd: axp20x: Fix axp288 writable-ranges

Register AXP288_POWER_REASON is writable and needs to be written
to reset the reset- / power-on-reason bits.

Add it to the axp288 writable-ranges so that the extcon-axp288
driver can properly clear the reset- / power-on-reason bits.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
---
 drivers/mfd/axp20x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 01a6bbb6d266..7720ac15c7d4 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -119,6 +119,7 @@ static const struct regmap_access_table axp22x_volatile_table = {
 
 /* AXP288 ranges are shared with the AXP803, as they cover the same range */
 static const struct regmap_range axp288_writeable_ranges[] = {
+	regmap_reg_range(AXP288_POWER_REASON, AXP288_POWER_REASON),
 	regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ6_STATE),
 	regmap_reg_range(AXP20X_DCDC_MODE, AXP288_FG_TUNE5),
 };
-- 
2.39.1