diff options
| author | Ricardo B. Marliere <ricardo@marliere.net> | 2024-02-08 16:37:19 -0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-02-17 16:16:11 +0000 |
| commit | 89b1b86fc77367fac470258acdf470ffe2edc8d4 (patch) | |
| tree | 0272f964cef55f8e7bad82fe7378d84ad9a8686d | |
| parent | 7c28226cd03746c7e87409ee75d45e42f1687d89 (diff) | |
| download | iio-89b1b86fc77367fac470258acdf470ffe2edc8d4.tar.gz | |
iio: core: make iio_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the iio_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>
Acked-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240208-bus_cleanup-iio-v1-1-4a167c3b5fb3@marliere.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/industrialio-core.c | 2 | ||||
| -rw-r--r-- | include/linux/iio/iio.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index e8551a1636bac4..9b2877fe868987 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -42,7 +42,7 @@ static DEFINE_IDA(iio_ida); static dev_t iio_devt; #define IIO_DEV_MAX 256 -struct bus_type iio_bus_type = { +const struct bus_type iio_bus_type = { .name = "iio", }; EXPORT_SYMBOL(iio_bus_type); diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 4f89279e531cda..e370a7bb3300b7 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -669,7 +669,7 @@ DEFINE_GUARD_COND(iio_claim_direct, _try, ({ int iio_device_claim_buffer_mode(struct iio_dev *indio_dev); void iio_device_release_buffer_mode(struct iio_dev *indio_dev); -extern struct bus_type iio_bus_type; +extern const struct bus_type iio_bus_type; /** * iio_device_put() - reference counted deallocation of struct device |