[PATCH 04/15] drm: msm: use devm_of_platform_populate()

From: Benjamin Gaignard
Date: Mon May 29 2017 - 11:48:53 EST


Use devm_of_platform_populate() to simplify driver code.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
CC: Rob Clark <robdclark@xxxxxxxxx>
CC: David Airlie <airlied@xxxxxxxx>
CC: linux-arm-msm@xxxxxxxxxxxxxxx
CC: dri-devel@xxxxxxxxxxxxxxxxxxxxx
CC: freedreno@xxxxxxxxxxxxxxxxxxxxx
CC: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/gpu/drm/msm/msm_drv.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 87b5695..545fb6f 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -969,7 +969,7 @@ static int add_display_components(struct device *dev,
* to our components list.
*/
if (of_device_is_compatible(dev->of_node, "qcom,mdss")) {
- ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
+ ret = devm_of_platform_populate(dev);
if (ret) {
dev_err(dev, "failed to populate children devices\n");
return ret;
@@ -978,7 +978,6 @@ static int add_display_components(struct device *dev,
mdp_dev = device_find_child(dev, NULL, compare_name_mdp);
if (!mdp_dev) {
dev_err(dev, "failed to find MDSS MDP node\n");
- of_platform_depopulate(dev);
return -ENODEV;
}

@@ -992,11 +991,7 @@ static int add_display_components(struct device *dev,
mdp_dev = dev;
}

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

/*
@@ -1072,7 +1067,6 @@ static int msm_pdev_probe(struct platform_device *pdev)
static int msm_pdev_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &msm_drm_ops);
- of_platform_depopulate(&pdev->dev);

return 0;
}
--
1.9.1