On Mon, Jul 3, 2023 at 3:09 PM Tomer Tayar <ttayar@xxxxxxxxx> wrote:
>
> On 20/06/2023 21:25, Greg Kroah-Hartman wrote:
> > From: Ivan Orlov <ivan.orlov0322@xxxxxxxxx>
> >
> > 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: Oded Gabbay <ogabbay@xxxxxxxxxx>
> > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Ivan Orlov <ivan.orlov0322@xxxxxxxxx>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>
> Reviewed-by: Tomer Tayar <ttayar@xxxxxxxxx>
Thanks Tomer.
Applied to habanalabs-next for 6.6.
Oded
>
> Thanks,
> Tomer
>
> > ---
> > drivers/accel/drm_accel.c | 21 ++++++++-------------
> > 1 file changed, 8 insertions(+), 13 deletions(-)
> >
> > diff --git a/drivers/accel/drm_accel.c b/drivers/accel/drm_accel.c
> > index 4a9baf02439e..2dc187e1ee41 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)
> > @@ -116,7 +111,7 @@ void accel_debugfs_init(struct drm_minor *minor, int minor_id)
> > 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;
> > }
> >
>
>
