[PATCH 1/2] staging: media: atomisp: remove unused functions from hmm.c

[Nikolay Kulikov <nikolayof23@gmail.com>]

These functions are declared and defined but are not called anywhere.

Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
---
 .../staging/media/atomisp/include/hmm/hmm.h   | 16 --------
 drivers/staging/media/atomisp/pci/hmm/hmm.c   | 41 -------------------
 2 files changed, 57 deletions(-)

diff --git a/drivers/staging/media/atomisp/include/hmm/hmm.h b/drivers/staging/media/atomisp/include/hmm/hmm.h
index a7aef27f54de..6bda02b9ff85 100644
--- a/drivers/staging/media/atomisp/include/hmm/hmm.h
+++ b/drivers/staging/media/atomisp/include/hmm/hmm.h
@@ -32,12 +32,6 @@ void hmm_free(ia_css_ptr ptr);
 int hmm_load(ia_css_ptr virt, void *data, unsigned int bytes);
 int hmm_store(ia_css_ptr virt, const void *data, unsigned int bytes);
 int hmm_set(ia_css_ptr virt, int c, unsigned int bytes);
-int hmm_flush(ia_css_ptr virt, unsigned int bytes);
-
-/*
- * get kernel memory physical address from ISP virtual address.
- */
-phys_addr_t hmm_virt_to_phys(ia_css_ptr virt);
 
 /*
  * map ISP memory starts with virt to kernel virtual address
@@ -55,16 +49,6 @@ void hmm_vunmap(ia_css_ptr virt);
  */
 void hmm_flush_vmap(ia_css_ptr virt);
 
-/*
- * map ISP memory starts with virt to specific vma.
- *
- * used for mmap operation.
- *
- * virt must be the start address of ISP memory (return by hmm_alloc),
- * do not pass any other address.
- */
-int hmm_mmap(struct vm_area_struct *vma, ia_css_ptr virt);
-
 extern struct hmm_bo_device bo_device;
 
 #endif
diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm.c b/drivers/staging/media/atomisp/pci/hmm/hmm.c
index f998b57f90c4..8130be4a30e3 100644
--- a/drivers/staging/media/atomisp/pci/hmm/hmm.c
+++ b/drivers/staging/media/atomisp/pci/hmm/hmm.c
@@ -262,12 +262,6 @@ int hmm_load(ia_css_ptr virt, void *data, unsigned int bytes)
 	return load_and_flush(virt, data, bytes);
 }
 
-/* Flush hmm data from the data cache */
-int hmm_flush(ia_css_ptr virt, unsigned int bytes)
-{
-	return load_and_flush(virt, NULL, bytes);
-}
-
 /* Write function in ISP memory management */
 int hmm_store(ia_css_ptr virt, const void *data, unsigned int bytes)
 {
@@ -411,41 +405,6 @@ int hmm_set(ia_css_ptr virt, int c, unsigned int bytes)
 	return 0;
 }
 
-/* Virtual address to physical address convert */
-phys_addr_t hmm_virt_to_phys(ia_css_ptr virt)
-{
-	unsigned int idx, offset;
-	struct hmm_buffer_object *bo;
-
-	bo = hmm_bo_device_search_in_range(&bo_device, virt);
-	if (!bo) {
-		dev_err(atomisp_dev,
-			"can not find buffer object contains address 0x%x\n",
-			virt);
-		return -1;
-	}
-
-	idx = (virt - bo->start) >> PAGE_SHIFT;
-	offset = (virt - bo->start) - (idx << PAGE_SHIFT);
-
-	return page_to_phys(bo->pages[idx]) + offset;
-}
-
-int hmm_mmap(struct vm_area_struct *vma, ia_css_ptr virt)
-{
-	struct hmm_buffer_object *bo;
-
-	bo = hmm_bo_device_search_start(&bo_device, virt);
-	if (!bo) {
-		dev_err(atomisp_dev,
-			"can not find buffer object start with address 0x%x\n",
-			virt);
-		return -EINVAL;
-	}
-
-	return hmm_bo_mmap(vma, bo);
-}
-
 /* Map ISP virtual address into IA virtual address */
 void *hmm_vmap(ia_css_ptr virt, bool cached)
 {
-- 
2.55.0