From 961745b2c42eb562a6b4433dc5f8fbd974ce4137 Mon Sep 17 00:00:00 2001 From: "Ricardo B. Marliere" Date: Sun, 11 Feb 2024 12:51:30 -0300 Subject: [PATCH] firmware: arm_scmi: Make scmi_bus_type const Now that the driver core can properly handle constant struct bus_type, move the scmi_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 Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere Reviewed-by: Cristian Marussi Reviewed-by: Greg Kroah-Hartman Link: https://lore.kernel.org/r/20240211-bus_cleanup-firmware2-v1-2-1851c92c7be7@marliere.net Signed-off-by: Sudeep Holla --- drivers/firmware/arm_scmi/bus.c | 2 +- drivers/firmware/arm_scmi/common.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index 1f9735dbebec..77c78be6e79c 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -283,7 +283,7 @@ static void scmi_dev_remove(struct device *dev) scmi_drv->remove(scmi_dev); } -struct bus_type scmi_bus_type = { +const struct bus_type scmi_bus_type = { .name = "scmi_protocol", .match = scmi_dev_match, .probe = scmi_dev_probe, diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index 00b165d1f502..6affbfdd1dec 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -141,7 +141,7 @@ scmi_revision_area_get(const struct scmi_protocol_handle *ph); void scmi_setup_protocol_implemented(const struct scmi_protocol_handle *ph, u8 *prot_imp); -extern struct bus_type scmi_bus_type; +extern const struct bus_type scmi_bus_type; #define SCMI_BUS_NOTIFY_DEVICE_REQUEST 0 #define SCMI_BUS_NOTIFY_DEVICE_UNREQUEST 1 -- 2.20.1