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serdev: make serdev_bus_type const 

Now that the driver core can properly handle constant struct bus_type,
move the serdev_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-tty-v1-1-86b698c82efe@marliere.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo B. Marliere 2024-02-03 16:14:50 -03:00 committed by Greg Kroah-Hartman
parent 2e71508bbf
commit 88cddfb7bf
1 changed files with 1 additions and 1 deletions
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drivers/tty/serdev/core.c
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@ -431,7 +431,7 @@ static void serdev_drv_remove(struct device *dev)
dev_pm_domain_detach(dev, true);
}
static struct bus_type serdev_bus_type = {
static const struct bus_type serdev_bus_type = {
.name = "serial",
.match = serdev_device_match,
.probe = serdev_drv_probe,