spmi: make spmi_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the spmi_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>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-spmi-v1-1-ef7f278f1987@marliere.net
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240507210809.3479953-2-sboyd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
index 3a60fd2e09e1f978c436ec925a06d554fd04e747..667085cb199d2ffe80b8345acf0950220e134448 100644 (file)
--- a/drivers/spmi/spmi.c
+++ b/drivers/spmi/spmi.c
@@ -378,7 +378,7 @@ static int spmi_drv_uevent(const struct device *dev, struct kobj_uevent_env *env
        return 0;
 }
 
-static struct bus_type spmi_bus_type = {
+static const struct bus_type spmi_bus_type = {
        .name           = "spmi",
        .match          = spmi_device_match,
        .probe          = spmi_drv_probe,