linux-kernel - [PATCH v1 1/2] media: atomisp: Put PMIC device after getting its I²C address

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Date: Tue, 26 Mar 2024 22:27:02 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Hans de Goede <hdegoede@...hat.com>,
	linux-media@...r.kernel.org,
	linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/2] media: atomisp: Put PMIC device after getting its I²C address

We don't use the PMIC I²C client device after getting its address.
Drop the reference to it. We do not expect device to disappear
as it should be taken care by the OpRegion drivers.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 .../media/atomisp/pci/atomisp_gmin_platform.c       | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c
index 139ad7ad1dcf..80aa2211cdc3 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_gmin_platform.c
@@ -497,16 +497,19 @@ static u8 gmin_get_pmic_id_and_addr(struct device *dev)
 	if (pmic_id)
 		return pmic_i2c_addr;
 
-	if (gmin_i2c_dev_exists(dev, PMIC_ACPI_TI, &power))
+	if (gmin_i2c_dev_exists(dev, PMIC_ACPI_TI, &power)) {
 		pmic_id = PMIC_TI;
-	else if (gmin_i2c_dev_exists(dev, PMIC_ACPI_AXP, &power))
+	} else if (gmin_i2c_dev_exists(dev, PMIC_ACPI_AXP, &power)) {
 		pmic_id = PMIC_AXP;
-	else if (gmin_i2c_dev_exists(dev, PMIC_ACPI_CRYSTALCOVE, &power))
+	} else if (gmin_i2c_dev_exists(dev, PMIC_ACPI_CRYSTALCOVE, &power)) {
 		pmic_id = PMIC_CRYSTALCOVE;
-	else
+	} else {
 		pmic_id = PMIC_REGULATOR;
+		return 0;
+	}
 
-	pmic_i2c_addr = power ? power->addr : 0;
+	pmic_i2c_addr = power->addr;
+	put_device(&power->dev);
 	return pmic_i2c_addr;
 }
 
-- 
2.43.0.rc1.1.gbec44491f096