[PATCH 2/5] memory: fsl_ifc: populate child devices without relying on simple-bus

From: Li Yang
Date: Thu Sep 30 2021 - 20:09:36 EST


After we update the binding to not use simple-bus compatible for the
controller, we need the driver to populate the child devices explicitly.

Signed-off-by: Li Yang <leoyang.li@xxxxxxx>
---
drivers/memory/fsl_ifc.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c
index d062c2f8250f..251d713cd50b 100644
--- a/drivers/memory/fsl_ifc.c
+++ b/drivers/memory/fsl_ifc.c
@@ -88,6 +88,7 @@ static int fsl_ifc_ctrl_remove(struct platform_device *dev)
{
struct fsl_ifc_ctrl *ctrl = dev_get_drvdata(&dev->dev);

+ of_platform_depopulate(&dev->dev);
free_irq(ctrl->nand_irq, ctrl);
free_irq(ctrl->irq, ctrl);

@@ -285,6 +286,14 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
}
}

+ /* legacy dts may still use "simple-bus" compatible */
+ if (!of_device_is_compatible(dev->dev.of_node, "simple-bus")) {
+ ret = of_platform_populate(dev->dev.of_node, NULL, NULL,
+ &dev->dev);
+ if (ret)
+ goto err_nandirq;
+ }
+
return 0;

err_nandirq:
--
2.25.1