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From: Axel Lin <axel.lin@ingics.com>
To: Mark Brown <broonie@kernel.org>
Cc: Keerthy <j-keerthy@ti.com>, Liam Girdwood <lgirdwood@gmail.com>,
	linux-kernel@vger.kernel.org, Axel Lin <axel.lin@ingics.com>
Subject: [PATCH RFT] regulator: lp87565: Fix probe failure for "ti,lp87565"
Date: Thu, 11 Jul 2019 19:35:17 +0800	[thread overview]
Message-ID: <20190711113517.26077-1-axel.lin@ingics.com> (raw)

The "ti,lp87565" compatible string is still in of_lp87565_match_table,
but current code will return -EINVAL because lp87565->dev_type is unknown.
This was working in earlier kernel versions, so fix it.

Fixes: 7ee63bd74750 ("regulator: lp87565: Add 4-phase lp87561 regulator support")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
Hi Keerthy,
The commit "regulator: lp87565: Add 4-phase lp87561 regulator support" does not
mention why it returns -EINVAL for "ti,lp87565" (The data field is not set for
.compatible = "ti,lp87565"), so I think the support for "ti,lp87565" was accidently
removed.
I don't have this h/w for test, maybe you can test it since you wrote this driver.

 drivers/regulator/lp87565-regulator.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/regulator/lp87565-regulator.c b/drivers/regulator/lp87565-regulator.c
index 5d067f7c2116..0c440c5e2832 100644
--- a/drivers/regulator/lp87565-regulator.c
+++ b/drivers/regulator/lp87565-regulator.c
@@ -163,7 +163,7 @@ static int lp87565_regulator_probe(struct platform_device *pdev)
 	struct lp87565 *lp87565 = dev_get_drvdata(pdev->dev.parent);
 	struct regulator_config config = { };
 	struct regulator_dev *rdev;
-	int i, min_idx = LP87565_BUCK_0, max_idx = LP87565_BUCK_3;
+	int i, min_idx, max_idx;
 
 	platform_set_drvdata(pdev, lp87565);
 
@@ -182,9 +182,9 @@ static int lp87565_regulator_probe(struct platform_device *pdev)
 		max_idx = LP87565_BUCK_3210;
 		break;
 	default:
-		dev_err(lp87565->dev, "Invalid lp config %d\n",
-			lp87565->dev_type);
-		return -EINVAL;
+		min_idx = LP87565_BUCK_0;
+		max_idx = LP87565_BUCK_3;
+		break;
 	}
 
 	for (i = min_idx; i <= max_idx; i++) {
-- 
2.20.1


             reply	other threads:[~2019-07-11 11:35 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-11 11:35 Axel Lin [this message]
2019-07-23 11:26 ` Mark Brown
2019-07-23 12:28   ` Axel Lin
2019-07-23 16:35     ` Mark Brown
2019-07-24  0:57       ` Axel Lin
2019-07-24 19:17 ` Applied "regulator: lp87565: Fix probe failure for "ti,lp87565"" to the regulator tree Mark Brown

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