From fea087fc291b102521427c26da3d0a30c329606f Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Mon, 13 Mar 2023 19:29:03 +0100
Subject: [PATCH] irqchip/mbigen: move to use bus_get_dev_root()
Direct access to the struct bus_type dev_root pointer is going away soon
so replace that with a call to bus_get_dev_root() instead, which is what
it is there for.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230313182918.1312597-21-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/irqchip/irq-mbigen.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
index f3faf5c997706..30ca1bf7fc8bd 100644
--- a/drivers/irqchip/irq-mbigen.c
+++ b/drivers/irqchip/irq-mbigen.c
@@ -245,11 +245,14 @@ static int mbigen_of_create_domain(struct platform_device *pdev,
if (!of_property_read_bool(np, "interrupt-controller"))
continue;
- parent = platform_bus_type.dev_root;
- child = of_platform_device_create(np, NULL, parent);
- if (!child) {
- of_node_put(np);
- return -ENOMEM;
+ parent = bus_get_dev_root(&platform_bus_type);
+ if (parent) {
+ child = of_platform_device_create(np, NULL, parent);
+ put_device(parent);
+ if (!child) {
+ of_node_put(np);
+ return -ENOMEM;
+ }
}
if (of_property_read_u32(child->dev.of_node, "num-pins",
--
2.30.2