42 	struct host1x *host = dev_get_drvdata(job->channel->dev->parent);  in host1x_job_submit()
47 struct host1x_channel *host1x_channel_get(struct host1x_channel *channel)  in host1x_channel_get()  argument
51 	mutex_lock(&channel->reflock);  in host1x_channel_get()
53 	if (channel->refcount == 0)  in host1x_channel_get()
54 		err = host1x_cdma_init(&channel->cdma);  in host1x_channel_get()
57 		channel->refcount++;  in host1x_channel_get()
59 	mutex_unlock(&channel->reflock);  in host1x_channel_get()
61 	return err ? NULL : channel;  in host1x_channel_get()
64 void host1x_channel_put(struct host1x_channel *channel)  in host1x_channel_put()  argument
66 	mutex_lock(&channel->reflock);  in host1x_channel_put()
68 	if (channel->refcount == 1) {  in host1x_channel_put()
69 		struct host1x *host = dev_get_drvdata(channel->dev->parent);  in host1x_channel_put()
71 		host1x_hw_cdma_stop(host, &channel->cdma);  in host1x_channel_put()
72 		host1x_cdma_deinit(&channel->cdma);  in host1x_channel_put()
75 	channel->refcount--;  in host1x_channel_put()
77 	mutex_unlock(&channel->reflock);  in host1x_channel_put()
84 	struct host1x_channel *channel = NULL;  in host1x_channel_request()  local
93 	channel = kzalloc(sizeof(*channel), GFP_KERNEL);  in host1x_channel_request()
94 	if (!channel)  in host1x_channel_request()
97 	err = host1x_hw_channel_init(host, channel, index);  in host1x_channel_request()
102 	channel->dev = dev;  in host1x_channel_request()
105 	list_add_tail(&channel->list, &host->chlist.list);  in host1x_channel_request()
110 	return channel;  in host1x_channel_request()
114 	kfree(channel);  in host1x_channel_request()
119 void host1x_channel_free(struct host1x_channel *channel)  in host1x_channel_free()  argument
121 	struct host1x *host = dev_get_drvdata(channel->dev->parent);  in host1x_channel_free()
123 	host->allocated_channels &= ~BIT(channel->id);  in host1x_channel_free()
124 	list_del(&channel->list);  in host1x_channel_free()
125 	kfree(channel);  in host1x_channel_free()