gpu: nvgpu: Remove unused variable and do_div()

Remove an unused variable that missed compilation checks because
it gets assigned to by do_div(). This same issue was propagated
to multiple places.

Change-Id: Ica2f675abbb3c08107ea4e6bc19044c0537a7484
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1472365
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/common/mm/lockless_allocator.c b/drivers/gpu/nvgpu/common/mm/lockless_allocator.c
index d8043c0b..51e26208 100644
--- a/drivers/gpu/nvgpu/common/mm/lockless_allocator.c
+++ b/drivers/gpu/nvgpu/common/mm/lockless_allocator.c
@@ -79,10 +79,9 @@ static void nvgpu_lockless_free(struct nvgpu_allocator *a, u64 addr)
 {
         struct nvgpu_lockless_allocator *pa = a->priv;
         int head, ret;
-        u64 cur_idx, rem;
+        u64 cur_idx;
 
         cur_idx = addr - pa->base;
-        rem = do_div(cur_idx, pa->blk_size);
 
         while (1) {
                 head = ACCESS_ONCE(pa->head);
@@ -148,7 +147,7 @@ int nvgpu_lockless_allocator_init(struct gk20a *g, struct nvgpu_allocator *__a,
         int i;
         int err;
         int nr_nodes;
-        u64 count, rem;
+        u64 count;
         struct nvgpu_lockless_allocator *a;
 
         if (!blk_size)
@@ -159,7 +158,6 @@ int nvgpu_lockless_allocator_init(struct gk20a *g, struct nvgpu_allocator *__a,
          * In order to control memory footprint, we require count < INT_MAX
          */
         count = length;
-        rem = do_div(count, blk_size);
         if (!base || !count || count > INT_MAX)
                 return -EINVAL;