linux-kernel - [PATCH v2 2/2] drm: sti: make driver use devm_of_platform

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Message-Id: <1487952874-23635-3-git-send-email-benjamin.gaignard@linaro.org>
Date:   Fri, 24 Feb 2017 17:14:34 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     robh+dt@...nel.org, frowand.list@...il.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        vincent.abriou@...com, dri-devel@...ts.freedesktop.org
Cc:     linaro-kernel@...ts.linaro.org,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>
Subject: [PATCH v2 2/2] drm: sti: make driver use devm_of_platform_populate()

This make sure that of_platform_depopulate() is called if an error
occur in probe after populating the date from the device tree.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...aro.org>
---
version 2:
- use simplified devm_of_platform_populate function prototype

 drivers/gpu/drm/sti/sti_drv.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
index ff71e25..b26b1bc 100644
--- a/drivers/gpu/drm/sti/sti_drv.c
+++ b/drivers/gpu/drm/sti/sti_drv.c
@@ -438,7 +438,7 @@ static int sti_platform_probe(struct platform_device *pdev)
 
 	dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
 
-	of_platform_populate(node, NULL, NULL, dev);
+	devm_of_platform_populate(dev);
 
 	child_np = of_get_next_available_child(node, NULL);
 
@@ -454,7 +454,6 @@ static int sti_platform_probe(struct platform_device *pdev)
 static int sti_platform_remove(struct platform_device *pdev)
 {
 	component_master_del(&pdev->dev, &sti_ops);
-	of_platform_depopulate(&pdev->dev);
 
 	return 0;
 }
-- 
1.9.1