[PATCH 21/42] media: arm: mali-c55: Use devm_of_reserved_mem_device_init()

Mukesh Ojha <[email protected]> Sat, 4 Jul 2026 01:08:34 +0530
Newsgroups org.ozlabs.lists.linux-aspeed,dev.linux.lists.imx,dev.linux.lists.linux-staging,dev.linux.lists.linux-sunxi,org.freedesktop.lists.dri-devel,org.infradead.lists.linux-mediatek,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-media,org.kernel.vger.linux-mips,org.kernel.vger.linux-mmc,org.kernel.vger.linux-remoteproc,org.kernel.vger.linux-sound,org.kernel.vger.linux-tegra,org.ozlabs.lists.linuxppc-dev,org.ozlabs.lists.openbmc
Message-ID <[email protected]>
Use the devres-managed devm_of_reserved_mem_device_init() instead of
the manual of_reserved_mem_device_init()/of_reserved_mem_device_release()
pair, letting the device resource manager handle cleanup automatically.

Signed-off-by: Mukesh Ojha <[email protected]>
---
 drivers/media/platform/arm/mali-c55/mali-c55-core.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/media/platform/arm/mali-c55/mali-c55-core.c b/drivers/media/platform/arm/mali-c55/mali-c55-core.c
index 94a389b3f833..afbec11f69f8 100644
--- a/drivers/media/platform/arm/mali-c55/mali-c55-core.c
+++ b/drivers/media/platform/arm/mali-c55/mali-c55-core.c
@@ -801,14 +801,12 @@ static int mali_c55_probe(struct platform_device *pdev)
 	if (ret)
 		return dev_err_probe(dev, ret, "failed to acquire resets\n");
 
-	of_reserved_mem_device_init(dev);
+	devm_of_reserved_mem_device_init(dev);
 	vb2_dma_contig_set_max_seg_size(dev, UINT_MAX);
 
 	ret = __mali_c55_power_on(mali_c55);
-	if (ret) {
-		dev_err_probe(dev, ret, "failed to power on\n");
-		goto err_release_mem;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to power on\n");
 
 	ret = mali_c55_check_hwcfg(mali_c55);
 	if (ret)
@@ -847,9 +845,6 @@ static int mali_c55_probe(struct platform_device *pdev)
 	kfree(mali_c55->context.registers);
 err_power_off:
 	__mali_c55_power_off(mali_c55);
-err_release_mem:
-	of_reserved_mem_device_release(dev);
-
 	return ret;
 }
 
@@ -864,7 +859,6 @@ static void mali_c55_remove(struct platform_device *pdev)
 	}
 	pm_runtime_disable(&pdev->dev);
 	kfree(mali_c55->context.registers);
-	of_reserved_mem_device_release(&pdev->dev);
 }
 
 static const struct of_device_id mali_c55_of_match[] = {
-- 
2.53.0