diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-05 13:33:32 +0100 |
|---|---|---|
| committer | Suzuki K Poulose <suzuki.poulose@arm.com> | 2024-02-12 10:19:39 +0000 |
| commit | dd95255d44c05c9977f962bf0f2afe5e11f8ab3e (patch) | |
| tree | 18afc19b5df054ed3c9b3c08ecca2c98b01f18a8 | |
| parent | d999c7dd52790e294d78d06e6535e318275c1ea5 (diff) | |
| download | linux-dd95255d44c05c9977f962bf0f2afe5e11f8ab3e.tar.gz linux-dd95255d44c05c9977f962bf0f2afe5e11f8ab3e.tar.bz2 linux-dd95255d44c05c9977f962bf0f2afe5e11f8ab3e.zip | |
coresight: make coresight_bustype const
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>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/2024010531-tinfoil-avert-4a57@gregkh
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-core.c | 2 | ||||
| -rw-r--r-- | 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 d7f0e231feb9..5dde597403b3 100644 --- a/drivers/hwtracing/coresight/coresight-core.c +++ b/drivers/hwtracing/coresight/coresight-core.c @@ -1799,7 +1799,7 @@ done: } 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 a4cb7dd6ca23..e8b6e388218c 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; enum coresight_dev_type { CORESIGHT_DEV_TYPE_SINK, |