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SubjectApplied "regulator: wm8994: Rely on core to handle GPIO descriptor" to the regulator tree
Date
The patch

regulator: wm8994: Rely on core to handle GPIO descriptor

has been applied to the regulator tree at

https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

From daa531db8a09dc00084a6030c81f2555a8de70ac Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Tue, 11 Dec 2018 10:53:18 +0100
Subject: [PATCH] regulator: wm8994: Rely on core to handle GPIO descriptor

After making sure that the regulator core always take over
handling of the GPIO descriptors, the gpiod_put()
on the errorpath of the wm8994 driver becomes redundant.

Reported-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/regulator/wm8994-regulator.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 46e6b4ee1491..38928cdcb6e6 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -172,6 +172,11 @@ static int wm8994_ldo_probe(struct platform_device *pdev)
ldo->init_data = *pdata->ldo[id].init_data;
}

+ /*
+ * At this point the GPIO descriptor is handled over to the
+ * regulator core and we need not worry about it on the
+ * error path.
+ */
ldo->regulator = devm_regulator_register(&pdev->dev,
&wm8994_ldo_desc[id],
&config);
@@ -179,16 +184,12 @@ static int wm8994_ldo_probe(struct platform_device *pdev)
ret = PTR_ERR(ldo->regulator);
dev_err(wm8994->dev, "Failed to register LDO%d: %d\n",
id + 1, ret);
- goto err;
+ return ret;
}

platform_set_drvdata(pdev, ldo);

return 0;
-
-err:
- gpiod_put(gpiod);
- return ret;
}

static struct platform_driver wm8994_ldo_driver = {
--
2.19.0.rc2
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