firmware: coreboot: make coreboot_bus_type const

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

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-firmware-v1-1-d1bff946606d@marliere.net
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>

diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c
index 2a4469bf1b81ce25e1ffcbc90dc8a65e8c235b06..fcdc387ae7aa14fae40bed7e931a0235802ff882 100644 (file)
--- a/drivers/firmware/google/coreboot_table.c
+++ b/drivers/firmware/google/coreboot_table.c
@@ -53,7 +53,7 @@ static void coreboot_bus_remove(struct device *dev)
                driver->remove(device);
 }
 
-static struct bus_type coreboot_bus_type = {
+static const struct bus_type coreboot_bus_type = {
        .name           = "coreboot",
        .match          = coreboot_bus_match,
        .probe          = coreboot_bus_probe,