diff options
Diffstat (limited to 'drivers/video/adf/adf.c')
| -rw-r--r-- | drivers/video/adf/adf.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/video/adf/adf.c b/drivers/video/adf/adf.c index 15fbc4a0d53..79511759d2a 100644 --- a/drivers/video/adf/adf.c +++ b/drivers/video/adf/adf.c @@ -625,6 +625,7 @@ EXPORT_SYMBOL(adf_device_destroy); * @type: interface type (see enum @adf_interface_type) * @idx: which interface of type @type; * e.g. interface DSI.1 -> @type=%ADF_INTF_TYPE_DSI, @idx=1 + * @flags: informational flags (bitmask of %ADF_INTF_FLAG_* values) * @ops: the interface's associated ops * @fmt: formatting string for the display interface's name * @@ -637,11 +638,13 @@ EXPORT_SYMBOL(adf_device_destroy); * Returns 0 on success or error code (<0) on failure. */ int adf_interface_init(struct adf_interface *intf, struct adf_device *dev, - enum adf_interface_type type, u32 idx, + enum adf_interface_type type, u32 idx, u32 flags, const struct adf_interface_ops *ops, const char *fmt, ...) { int ret; va_list args; + const u32 allowed_flags = ADF_INTF_FLAG_PRIMARY | + ADF_INTF_FLAG_EXTERNAL; if (dev->n_interfaces == ADF_MAX_INTERFACES) { pr_err("%s: parent device %s has too many interfaces\n", @@ -654,6 +657,12 @@ int adf_interface_init(struct adf_interface *intf, struct adf_device *dev, return -EINVAL; } + if (flags & ~allowed_flags) { + pr_err("%s: invalid interface flags 0x%X\n", __func__, + flags & ~allowed_flags); + return -EINVAL; + } + memset(intf, 0, sizeof(*intf)); va_start(args, fmt); @@ -665,6 +674,7 @@ int adf_interface_init(struct adf_interface *intf, struct adf_device *dev, intf->type = type; intf->idx = idx; + intf->flags = flags; intf->ops = ops; init_waitqueue_head(&intf->vsync_wait); rwlock_init(&intf->vsync_lock); |