mmc: core: make sdio_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the sdio_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/20240203-bus_cleanup-mmc-v1-3-ad054dce8dc3@marliere.net
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 47a48e902a243bb13fb33dcc4d1c592af1e17da7..71d885fbc22876f51a231f8c4a0a143af2326c22 100644 (file)
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -244,7 +244,7 @@ static const struct dev_pm_ops sdio_bus_pm_ops = {
        )
 };
 
-static struct bus_type sdio_bus_type = {
+static const struct bus_type sdio_bus_type = {
        .name           = "sdio",
        .dev_groups     = sdio_dev_groups,
        .match          = sdio_bus_match,