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

Alexander Stein
2025-03-04T15:49:56Z

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@nxp.com>
Signed-off-by: Alexander Stein <alexander.stein@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