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irqchip/mbigen: move to use bus_get_dev_root()

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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>
This commit is contained in:
Greg Kroah-Hartman 2023-03-13 19:29:03 +01:00
parent 3666062b87
commit fea087fc29
1 changed files with 8 additions and 5 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

13
drivers/irqchip/irq-mbigen.c
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@ -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",