lkml.org 
[lkml]   [2020]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/9] drm/msm: Use the devm variant of of_platform_populate()
Date
Let's save ourselves some hassle and use the devm variant of
of_platform_populate() do we don't need to worry about manually
depopulating.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
---

drivers/gpu/drm/msm/msm_drv.c | 20 ++++----------------
1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index f6ce40bf3699..78b09fde9e29 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -1208,7 +1208,7 @@ static int add_display_components(struct device *dev,
if (of_device_is_compatible(dev->of_node, "qcom,mdss") ||
of_device_is_compatible(dev->of_node, "qcom,sdm845-mdss") ||
of_device_is_compatible(dev->of_node, "qcom,sc7180-mdss")) {
- ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
+ ret = devm_of_platform_populate(dev);
if (ret) {
DRM_DEV_ERROR(dev, "failed to populate children devices\n");
return ret;
@@ -1217,7 +1217,6 @@ static int add_display_components(struct device *dev,
mdp_dev = device_find_child(dev, NULL, compare_name_mdp);
if (!mdp_dev) {
DRM_DEV_ERROR(dev, "failed to find MDSS MDP node\n");
- of_platform_depopulate(dev);
return -ENODEV;
}

@@ -1232,8 +1231,6 @@ static int add_display_components(struct device *dev,
}

ret = add_components_mdp(mdp_dev, matchptr);
- if (ret)
- of_platform_depopulate(dev);

return ret;
}
@@ -1300,30 +1297,21 @@ static int msm_pdev_probe(struct platform_device *pdev)

ret = add_gpu_components(&pdev->dev, &match);
if (ret)
- goto fail;
+ return ret;

/* on all devices that I am aware of, iommu's which can map
* any address the cpu can see are used:
*/
ret = dma_set_mask_and_coherent(&pdev->dev, ~0);
if (ret)
- goto fail;
-
- ret = component_master_add_with_match(&pdev->dev, &msm_drm_ops, match);
- if (ret)
- goto fail;
-
- return 0;
+ return ret;

-fail:
- of_platform_depopulate(&pdev->dev);
- return ret;
+ return component_master_add_with_match(&pdev->dev, &msm_drm_ops, match);
}

static int msm_pdev_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &msm_drm_ops);
- of_platform_depopulate(&pdev->dev);

return 0;
}
--
2.27.0.383.g050319c2ae-goog
\
 
 \ /
  Last update: 2020-07-11 01:04    [W:1.477 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site