[PATCH v3 3/6] pmdomain: imx93-blk-ctrl: Scan subnodes and bind drivers to them

Alexander Stein alexander.stein at ew.tq-group.com
Tue Mar 4 07:49:22 PST 2025


This particular block can have DT subnodes describing the LVDS LDB
bridge. Instead of misusing simple-bus to scan for those nodes, do
the scan within the driver.

Reviewed-by: Peng Fan <peng.fan at nxp.com>
Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
 drivers/pmdomain/imx/imx93-blk-ctrl.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/pmdomain/imx/imx93-blk-ctrl.c b/drivers/pmdomain/imx/imx93-blk-ctrl.c
index 0e2ba8ec55d75..fe2ff7a457502 100644
--- a/drivers/pmdomain/imx/imx93-blk-ctrl.c
+++ b/drivers/pmdomain/imx/imx93-blk-ctrl.c
@@ -7,6 +7,7 @@
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/pm_domain.h>
 #include <linux/pm_runtime.h>
@@ -297,8 +298,14 @@ static int imx93_blk_ctrl_probe(struct platform_device *pdev)
 
 	dev_set_drvdata(dev, bc);
 
+	ret = devm_of_platform_populate(dev);
+	if (ret)
+		goto cleanup_provider;
+
 	return 0;
 
+cleanup_provider:
+	of_genpd_del_provider(dev->of_node);
 cleanup_pds:
 	for (i--; i >= 0; i--)
 		pm_genpd_remove(&bc->domains[i].genpd);
-- 
2.43.0




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