On 05/01/2024 12:33, Greg Kroah-Hartman wrote:

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

Cc: Suzuki K Poulose suzuki.poulose@arm.com Cc: Mike Leach mike.leach@linaro.org Cc: James Clark james.clark@arm.com Cc: Leo Yan leo.yan@linaro.org Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

---

drivers/hwtracing/coresight/coresight-core.c | 2 +- include/linux/coresight.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c index 9fabe00a40d6..24c49e581737 100644 --- a/drivers/hwtracing/coresight/coresight-core.c +++ b/drivers/hwtracing/coresight/coresight-core.c @@ -1796,7 +1796,7 @@ char *coresight_alloc_device_name(struct coresight_dev_list *dict, } EXPORT_SYMBOL_GPL(coresight_alloc_device_name); -struct bus_type coresight_bustype = { +const struct bus_type coresight_bustype = { .name = "coresight", }; diff --git a/include/linux/coresight.h b/include/linux/coresight.h index a269fffaf991..8fe75a0d7693 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -35,7 +35,7 @@ #define CORESIGHT_UNLOCK 0xc5acce55 -extern struct bus_type coresight_bustype; +extern const struct bus_type coresight_bustype;

Thanks, for the patch. I will queue this for v6.8.

Thanks Suzuki

enum coresight_dev_type { CORESIGHT_DEV_TYPE_SINK,