linux-kernel - [PATCH] regulator: max20411: Fix off-by-one for n

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Date:   Sat, 11 Feb 2023 23:00:19 +0800
From:   Axel Lin <axel.lin@...ics.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org, Axel Lin <axel.lin@...ics.com>
Subject: [PATCH] regulator: max20411: Fix off-by-one for n_voltages setting

Otherwise regulator_list_voltage returns -EINVAL for MAX20411_MAX_SEL.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/max20411-regulator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/max20411-regulator.c b/drivers/regulator/max20411-regulator.c
index e75d16048e2f..83dacb4ff173 100644
--- a/drivers/regulator/max20411-regulator.c
+++ b/drivers/regulator/max20411-regulator.c
@@ -85,7 +85,7 @@ static const struct regulator_desc max20411_desc = {
 	.min_uV = MAX20411_BASE_UV,
 	.uV_step = MAX20411_UV_STEP,
 	.linear_min_sel = MAX20411_MIN_SEL,
-	.n_voltages = MAX20411_MAX_SEL,
+	.n_voltages = MAX20411_MAX_SEL + 1,
 
 	.vsel_reg = MAX20411_VID_OFFSET,
 	.vsel_mask = MAX20411_VID_MASK,
-- 
2.34.1