diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-05 15:58:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-06 15:39:09 +0200 |
| commit | 388fd6a87f7fc41d75720bd8d0b84bd3f2f49f7a (patch) | |
| tree | 5b3c18fab4fea46ad247b51a37cc0270a45fd932 /drivers/staging/greybus | |
| parent | f7704755723813e1be87518899282c9801e9fd3a (diff) | |
staging: greybus: fw-management: make fw_mgmt_class constant
Now that the driver core allows for struct class to be in read-only
memory, making all 'class' structures to be declared at build time
placing them into read-only memory, instead of having to be dynamically
allocated at load time.
Cc: Alex Elder <elder@kernel.org>
Cc: greybus-dev@lists.linaro.org
Reviewed-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/2023100534-catty-moodiness-099e@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/greybus')
| -rw-r--r-- | drivers/staging/greybus/fw-management.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/staging/greybus/fw-management.c b/drivers/staging/greybus/fw-management.c index cd9141e4b794..93137a3c4907 100644 --- a/drivers/staging/greybus/fw-management.c +++ b/drivers/staging/greybus/fw-management.c @@ -55,7 +55,10 @@ struct fw_mgmt { */ #define NUM_MINORS U8_MAX -static struct class *fw_mgmt_class; +static const struct class fw_mgmt_class = { + .name = "gb_fw_mgmt", +}; + static dev_t fw_mgmt_dev_num; static DEFINE_IDA(fw_mgmt_minors_map); static LIST_HEAD(fw_mgmt_list); @@ -629,7 +632,7 @@ int gb_fw_mgmt_connection_init(struct gb_connection *connection) goto err_remove_ida; /* Add a soft link to the previously added char-dev within the bundle */ - fw_mgmt->class_device = device_create(fw_mgmt_class, fw_mgmt->parent, + fw_mgmt->class_device = device_create(&fw_mgmt_class, fw_mgmt->parent, fw_mgmt->dev_num, NULL, "gb-fw-mgmt-%d", minor); if (IS_ERR(fw_mgmt->class_device)) { @@ -664,7 +667,7 @@ void gb_fw_mgmt_connection_exit(struct gb_connection *connection) fw_mgmt = gb_connection_get_data(connection); - device_destroy(fw_mgmt_class, fw_mgmt->dev_num); + device_destroy(&fw_mgmt_class, fw_mgmt->dev_num); cdev_del(&fw_mgmt->cdev); ida_simple_remove(&fw_mgmt_minors_map, MINOR(fw_mgmt->dev_num)); @@ -696,9 +699,9 @@ int fw_mgmt_init(void) { int ret; - fw_mgmt_class = class_create("gb_fw_mgmt"); - if (IS_ERR(fw_mgmt_class)) - return PTR_ERR(fw_mgmt_class); + ret = class_register(&fw_mgmt_class); + if (ret) + return ret; ret = alloc_chrdev_region(&fw_mgmt_dev_num, 0, NUM_MINORS, "gb_fw_mgmt"); @@ -708,13 +711,13 @@ int fw_mgmt_init(void) return 0; err_remove_class: - class_destroy(fw_mgmt_class); + class_unregister(&fw_mgmt_class); return ret; } void fw_mgmt_exit(void) { unregister_chrdev_region(fw_mgmt_dev_num, NUM_MINORS); - class_destroy(fw_mgmt_class); + class_unregister(&fw_mgmt_class); ida_destroy(&fw_mgmt_minors_map); } |