powerpc: Use dev_fwnode()

irq_domain_create_simple() takes fwnode as the first argument. It can be
extracted from the struct device using dev_fwnode() helper instead of
using of_node with of_fwnode_handle().

So use the dev_fwnode() helper.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Acked-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/all/4bc0e1ca-a523-424a-8759-59e353317fba@kernel.org/
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250723062842.1831271-1-jirislaby@kernel.org

Author: Jiri Slaby (SUSE)

arch/powerpc/platforms/8xx/cpm1-ic.c

@@ -110,8 +110,7 @@ static int cpm_pic_probe(struct platform_device *pdev)
 
 	out_be32(&data->reg->cpic_cimr, 0);
 
-	data->host = irq_domain_create_linear(of_fwnode_handle(dev->of_node),
-					      64, &cpm_pic_host_ops, data);
+	data->host = irq_domain_create_linear(dev_fwnode(dev), 64, &cpm_pic_host_ops, data);
 	if (!data->host)
 		return -ENODEV;
 

arch/powerpc/sysdev/fsl_msi.c

@@ -412,9 +412,8 @@ static int fsl_of_msi_probe(struct platform_device *dev)
 	}
 	platform_set_drvdata(dev, msi);
 
-	msi->irqhost = irq_domain_create_linear(of_fwnode_handle(dev->dev.of_node),
-				      NR_MSI_IRQS_MAX, &fsl_msi_host_ops, msi);
-
+	msi->irqhost = irq_domain_create_linear(dev_fwnode(&dev->dev), NR_MSI_IRQS_MAX,
+						&fsl_msi_host_ops, msi);
 	if (msi->irqhost == NULL) {
 		dev_err(&dev->dev, "No memory for MSI irqhost\n");
 		err = -ENOMEM;