mfd: mcp-core: Make mcp_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the mcp_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>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-mfd-v1-1-07335ebc034f@marliere.net
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c
index 2fa592c37c6f040ff4969411e0b13a2cacc5a0a7..16ca23311cab4931192500bd271c708a52d8d4ed 100644 (file)
--- a/drivers/mfd/mcp-core.c
+++ b/drivers/mfd/mcp-core.c
@@ -41,7 +41,7 @@ static void mcp_bus_remove(struct device *dev)
        drv->remove(mcp);
 }
 
-static struct bus_type mcp_bus_type = {
+static const struct bus_type mcp_bus_type = {
        .name           = "mcp",
        .match          = mcp_bus_match,
        .probe          = mcp_bus_probe,