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gpio: bd72720: handle missing regmap

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Currently the probe does not check whether getting the regmap succeeded.
This can cause crash when regmap is used, if it wasn't successfully
obtained. Failing to get the regmap is unlikely, especially since this
driver is expected to be kicked by the MFD driver only after registering
the regmap - but it is still better to handle this gracefully.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Fixes: e7eef0bd4075 ("regulator: bd71828-regulator.c: Fix LDON-HEAD mode")
Link: https://patch.msgid.link/5bfffee380863bcf24f3062e48094c8eb7b1342f.1775565381.git.mazziesaccount@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
This commit is contained in:
Matti Vaittinen 2026-04-07 15:41:48 +03:00 committed by Bartosz Golaszewski
parent 591cd656a1
commit 828ec7f803
1 changed files with 2 additions and 0 deletions
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2
drivers/gpio/gpio-bd72720.c
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@ -256,6 +256,8 @@ static int gpo_bd72720_probe(struct platform_device *pdev)
g->dev = dev;
g->chip.parent = parent;
g->regmap = dev_get_regmap(parent, NULL);
if (!g->regmap)
return -ENODEV;
return devm_gpiochip_add_data(dev, &g->chip, g);
}