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| author |  Ivan Orlov <ivan.orlov0322@gmail.com>
| 2023-06-20 20:25:29 +0200 |
|---|---|---|
| committer |  Oded Gabbay <ogabbay@kernel.org>
| 2023-10-09 12:37:19 +0300 |
| commit | e11a7d2ca5cd36b3d1db4d0ccce30c54a29e1ed9 (patch) | |
| tree | 14c676424b3d114e502db1087f6690be9d7a2cfd /drivers/accel/drm_accel.c | |
| parent | accel/habanalabs: dump temperature threshold boot error (diff) | |
| download | linux-e11a7d2ca5cd36b3d1db4d0ccce30c54a29e1ed9.tar.gz linux-e11a7d2ca5cd36b3d1db4d0ccce30c54a29e1ed9.tar.bz2 linux-e11a7d2ca5cd36b3d1db4d0ccce30c54a29e1ed9.zip | |
accel: make accel_class a static const structure
Now that the driver core allows for struct class to be in read-only
memory, move the accel_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: dri-devel@lists.freedesktop.org
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Tomer Tayar <ttayar@habana.ai>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/accel/drm_accel.c')
| -rw-r--r-- | drivers/accel/drm_accel.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/accel/drm_accel.c b/drivers/accel/drm_accel.c index 94b4ac12cf24..294b572a9c33 100644 --- a/drivers/accel/drm_accel.c +++ b/drivers/accel/drm_accel.c @@ -21,7 +21,6 @@ static DEFINE_SPINLOCK(accel_minor_lock); static struct idr accel_minors_idr; static struct dentry *accel_debugfs_root; -static struct class *accel_class; static struct device_type accel_sysfs_device_minor = { .name = "accel_minor" @@ -32,23 +31,19 @@ static char *accel_devnode(const struct device *dev, umode_t *mode) return kasprintf(GFP_KERNEL, "accel/%s", dev_name(dev)); } +static const struct class accel_class = { + .name = "accel", + .devnode = accel_devnode, +}; + static int accel_sysfs_init(void) { - accel_class = class_create("accel"); - if (IS_ERR(accel_class)) - return PTR_ERR(accel_class); - - accel_class->devnode = accel_devnode; - - return 0; + return class_register(&accel_class); } static void accel_sysfs_destroy(void) { - if (IS_ERR_OR_NULL(accel_class)) - return; - class_destroy(accel_class); - accel_class = NULL; + class_unregister(&accel_class); } static int accel_name_info(struct seq_file *m, void *data) @@ -117,7 +112,7 @@ void accel_debugfs_register(struct drm_device *dev) void accel_set_device_instance_params(struct device *kdev, int index) { kdev->devt = MKDEV(ACCEL_MAJOR, index); - kdev->class = accel_class; + kdev->class = &accel_class; kdev->type = &accel_sysfs_device_minor; } |