bus: moxtet: 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)" <[email protected]>
Reviewed-by: Marek Behún <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Jiri Slaby (SUSE)

drivers/bus/moxtet.c

@@ -737,8 +737,7 @@ static int moxtet_irq_setup(struct moxtet *moxtet)
 {
 	int i, ret;
 
-	moxtet->irq.domain = irq_domain_create_simple(of_fwnode_handle(moxtet->dev->of_node),
-						      MOXTET_NIRQS, 0,
+	moxtet->irq.domain = irq_domain_create_simple(dev_fwnode(moxtet->dev), MOXTET_NIRQS, 0,
 						      &moxtet_irq_domain, moxtet);
 	if (moxtet->irq.domain == NULL) {
 		dev_err(moxtet->dev, "Could not add IRQ domain\n");