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disp: msm: fix probe deferral logic

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msm_drv should be probe deferred until rsc driver
probe is done. OF_POPULATED flag only checks if platform
driver is registered and hence additional condition to
check if driver is attached to this device, is needed.

Change-Id: I070965cc8d3ba3984032ad3704ec86066680eef0
Signed-off-by: Abhijit Kulkarni <kabhijit@codeaurora.org>
This commit is contained in:
Abhijit Kulkarni
2020-04-30 20:49:58 -07:00
parent 6a5956b36e
commit 802b5e31eb
1 changed files with 11 additions and 4 deletions
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15
msm/msm_drv.c
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@@ -1951,10 +1951,17 @@ static int msm_drm_component_dependency_check(struct device *dev)
break; break;
if (of_node_name_eq(node,"qcom,sde_rscc") && if (of_node_name_eq(node,"qcom,sde_rscc") &&
of_device_is_available(node) && of_device_is_available(node) &&
!of_node_check_flag(node, OF_POPULATED)) { of_node_check_flag(node, OF_POPULATED)) {
dev_err(dev, "qcom,sde_rscc device not probed yet\n"); struct platform_device *pdev =
return -EPROBE_DEFER; of_find_device_by_node(node);
if (!platform_get_drvdata(pdev)) {
dev_err(dev,
"qcom,sde_rscc not probed yet\n");
return -EPROBE_DEFER;
} else {
return 0;
}
} }
} }