gpu: nvgpu: use new List APIs to free channels

Use new APIs from <nvgpu/list.h> to access free
channel list

Define channel_gk20a_from_free_chs() to convert
a list node to struct channel_gk20a

Jira NVGPU-13

Change-Id: Idaf58f04be1c7fc553bea7c8de45951bf82bb340
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1303025
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
index 06269fa5..a399e95f 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.h
@@ -169,7 +169,7 @@ struct fifo_gk20a {
         unsigned int used_channels;
         struct channel_gk20a *channel;
         /* zero-kref'd channels here */
-        struct list_head free_chs;
+        struct nvgpu_list_node free_chs;
         struct nvgpu_mutex free_chs_mutex;
         struct nvgpu_mutex gr_reset_mutex;