diff --git a/drivers/gpu/host1x/channel.c b/drivers/gpu/host1x/channel.c
index 78f0ef0f6c89bdb1a658e6d44271ffccd48d6d45..8f437d924c10c700cbf46f060d32c2d902a980f1 100644
--- a/drivers/gpu/host1x/channel.c
+++ b/drivers/gpu/host1x/channel.c
@@ -85,7 +85,8 @@ struct host1x_channel *host1x_channel_request(struct device *dev)
 	struct host1x *host = dev_get_drvdata(dev->parent);
 	unsigned int max_channels = host->info->nb_channels;
 	struct host1x_channel *channel = NULL;
-	int index, err;
+	unsigned long index;
+	int err;
 
 	mutex_lock(&host->chlist_mutex);