42 	struct host1x *host = dev_get_drvdata(job->channel->dev->parent);  in host1x_job_submit()
48 struct host1x_channel *host1x_channel_get(struct host1x_channel *channel)  in host1x_channel_get()  argument
52 	mutex_lock(&channel->reflock);  in host1x_channel_get()
54 	if (channel->refcount == 0)  in host1x_channel_get()
55 		err = host1x_cdma_init(&channel->cdma);  in host1x_channel_get()
58 		channel->refcount++;  in host1x_channel_get()
60 	mutex_unlock(&channel->reflock);  in host1x_channel_get()
62 	return err ? NULL : channel;  in host1x_channel_get()
66 void host1x_channel_put(struct host1x_channel *channel)  in host1x_channel_put()  argument
68 	mutex_lock(&channel->reflock);  in host1x_channel_put()
70 	if (channel->refcount == 1) {  in host1x_channel_put()
71 		struct host1x *host = dev_get_drvdata(channel->dev->parent);  in host1x_channel_put()
73 		host1x_hw_cdma_stop(host, &channel->cdma);  in host1x_channel_put()
74 		host1x_cdma_deinit(&channel->cdma);  in host1x_channel_put()
77 	channel->refcount--;  in host1x_channel_put()
79 	mutex_unlock(&channel->reflock);  in host1x_channel_put()
87 	struct host1x_channel *channel = NULL;  in host1x_channel_request()  local
96 	channel = kzalloc(sizeof(*channel), GFP_KERNEL);  in host1x_channel_request()
97 	if (!channel)  in host1x_channel_request()
100 	err = host1x_hw_channel_init(host, channel, index);  in host1x_channel_request()
105 	channel->dev = dev;  in host1x_channel_request()
108 	list_add_tail(&channel->list, &host->chlist.list);  in host1x_channel_request()
113 	return channel;  in host1x_channel_request()
117 	kfree(channel);  in host1x_channel_request()
123 void host1x_channel_free(struct host1x_channel *channel)  in host1x_channel_free()  argument
125 	struct host1x *host = dev_get_drvdata(channel->dev->parent);  in host1x_channel_free()
127 	host->allocated_channels &= ~BIT(channel->id);  in host1x_channel_free()
128 	list_del(&channel->list);  in host1x_channel_free()
129 	kfree(channel);  in host1x_channel_free()