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platform/x86/amd/pmf: Use devm_mutex_init() for mutex initialization

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Replace mutex_init() with the devm_mutex_init(), to ensure proper mutex
cleanup during probe failure and driver removal.

Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://patch.msgid.link/20251119085813.546813-2-Shyam-sundar.S-k@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Shyam Sundar S K 2025-11-19 14:28:12 +05:30 committed by Ilpo Järvinen
parent 2bd038de12
commit 0b39ce8f71
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GPG Key ID: 59AC4F6153E5CE31
1 changed files with 11 additions and 6 deletions
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17
drivers/platform/x86/amd/pmf/core.c
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@ -465,9 +465,17 @@ static int amd_pmf_probe(struct platform_device *pdev)
if (!dev->regbase)
return -ENOMEM;
mutex_init(&dev->lock);
mutex_init(&dev->update_mutex);
mutex_init(&dev->cb_mutex);
err = devm_mutex_init(dev->dev, &dev->lock);
if (err)
return err;
err = devm_mutex_init(dev->dev, &dev->update_mutex);
if (err)
return err;
err = devm_mutex_init(dev->dev, &dev->cb_mutex);
if (err)
return err;
apmf_acpi_init(dev);
platform_set_drvdata(pdev, dev);
@ -491,9 +499,6 @@ static void amd_pmf_remove(struct platform_device *pdev)
amd_pmf_notify_sbios_heartbeat_event_v2(dev, ON_UNLOAD);
apmf_acpi_deinit(dev);
amd_pmf_dbgfs_unregister(dev);
mutex_destroy(&dev->lock);
mutex_destroy(&dev->update_mutex);
mutex_destroy(&dev->cb_mutex);
}
static const struct attribute_group *amd_pmf_driver_groups[] = {