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gpu: nvgpu: fix sparse warnings

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Fix below sparse warnings :

warning: Using plain integer as NULL pointer
warning: symbol <variable/funcion> was not declared. Should it be static?
warning: Initializer entry defined twice

Also, remove dead functions

Bug 1573254

Change-Id: I29d71ecc01c841233cf6b26c9088ca8874773469
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/593363
Reviewed-by: Amit Sharma (SW-TEGRA) <amisharma@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
This commit is contained in:
Deepak Nibade
2014-11-04 18:44:28 +05:30
committed by Dan Willemsen
parent 797e4dd319
commit b3f575074b
28 changed files with 155 additions and 205 deletions
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24
drivers/gpu/nvgpu/gk20a/mm_gk20a.c
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@@ -263,7 +263,7 @@ static int gk20a_init_mm_reset_enable_hw(struct gk20a *g)
return 0;
}
void gk20a_remove_mm_support(struct mm_gk20a *mm)
static void gk20a_remove_mm_support(struct mm_gk20a *mm)
{
struct gk20a *g = mm->g;
struct device *d = dev_from_gk20a(g);
@@ -405,7 +405,7 @@ err_out:
return -ENOMEM;
}
void free_gmmu_phys_pages(struct vm_gk20a *vm, void *handle,
static void free_gmmu_phys_pages(struct vm_gk20a *vm, void *handle,
struct sg_table *sgt, u32 order,
size_t size)
{
@@ -415,7 +415,7 @@ void free_gmmu_phys_pages(struct vm_gk20a *vm, void *handle,
kfree(sgt);
}
int map_gmmu_phys_pages(void *handle, struct sg_table *sgt,
static int map_gmmu_phys_pages(void *handle, struct sg_table *sgt,
void **va, size_t size)
{
FLUSH_CPU_DCACHE(handle, sg_phys(sgt->sgl), sgt->sgl->length);
@@ -423,7 +423,7 @@ int map_gmmu_phys_pages(void *handle, struct sg_table *sgt,
return 0;
}
void unmap_gmmu_phys_pages(void *handle, struct sg_table *sgt, void *va)
static void unmap_gmmu_phys_pages(void *handle, struct sg_table *sgt, void *va)
{
FLUSH_CPU_DCACHE(handle, sg_phys(sgt->sgl), sgt->sgl->length);
}
@@ -913,7 +913,7 @@ static struct mapped_buffer_node *find_mapped_buffer_reverse_locked(
return mapped_buffer;
node = rb_next(&mapped_buffer->node);
}
return 0;
return NULL;
}
static struct mapped_buffer_node *find_mapped_buffer_locked(
@@ -931,7 +931,7 @@ static struct mapped_buffer_node *find_mapped_buffer_locked(
else
return mapped_buffer;
}
return 0;
return NULL;
}
static struct mapped_buffer_node *find_mapped_buffer_range_locked(
@@ -948,7 +948,7 @@ static struct mapped_buffer_node *find_mapped_buffer_range_locked(
else
node = node->rb_right;
}
return 0;
return NULL;
}
#define BFR_ATTRS (sizeof(nvmap_bfr_param)/sizeof(nvmap_bfr_param[0]))
@@ -1177,7 +1177,7 @@ void gk20a_locked_gmmu_unmap(struct vm_gk20a *vm,
/* unmap here needs to know the page size we assigned at mapping */
err = update_gmmu_ptes_locked(vm,
pgsz_idx,
0, /* n/a for unmap */
NULL, /* n/a for unmap */
0,
vaddr,
vaddr + size - 1,
@@ -1209,7 +1209,7 @@ static u64 gk20a_vm_map_duplicate_locked(struct vm_gk20a *vm,
bool user_mapped,
int rw_flag)
{
struct mapped_buffer_node *mapped_buffer = 0;
struct mapped_buffer_node *mapped_buffer = NULL;
mapped_buffer =
find_mapped_buffer_reverse_locked(&vm->mapped_buffers,
@@ -1278,7 +1278,7 @@ u64 gk20a_vm_map(struct vm_gk20a *vm,
struct gk20a *g = gk20a_from_vm(vm);
struct gk20a_allocator *ctag_allocator = &g->gr.comp_tags;
struct device *d = dev_from_vm(vm);
struct mapped_buffer_node *mapped_buffer = 0;
struct mapped_buffer_node *mapped_buffer = NULL;
bool inserted = false, va_allocated = false;
u32 gmmu_page_size = 0;
u64 map_offset = 0;
@@ -1991,7 +1991,7 @@ static int gk20a_vm_put_sparse(struct vm_gk20a *vm, u64 vaddr,
return gk20a_vm_put_empty(vm, vaddr, num_pages, pgsz_idx);
}
void gk20a_vm_clear_sparse(struct vm_gk20a *vm, u64 vaddr,
static void gk20a_vm_clear_sparse(struct vm_gk20a *vm, u64 vaddr,
u64 size, u32 pgsz_idx) {
struct gk20a *g = vm->mm->g;
@@ -2536,7 +2536,7 @@ int gk20a_vm_bind_channel(struct gk20a_as_share *as_share,
ch->vm = vm;
err = channel_gk20a_commit_va(ch);
if (err)
ch->vm = 0;
ch->vm = NULL;
return err;
}