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Subject[PATCH] staging: media: atomisp: use kvmalloc/kvzalloc
Date
Use kvmalloc()/kvzalloc() instead of atomisp_kernel_malloc()
/atomisp_kernel_zalloc().

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
.../media/atomisp/pci/atomisp2/atomisp_cmd.c | 31 +---------------------
.../media/atomisp/pci/atomisp2/atomisp_cmd.h | 2 --
.../atomisp/pci/atomisp2/atomisp_compat_css20.c | 4 +--
.../media/atomisp/pci/atomisp2/atomisp_internal.h | 2 --
4 files changed, 3 insertions(+), 36 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
index 7bf5dcd..f48bf45 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
@@ -83,35 +83,6 @@ union host {
};

/*
- * atomisp_kernel_malloc: chooses whether kmalloc() or vmalloc() is preferable.
- *
- * It is also a wrap functions to pass into css framework.
- */
-void *atomisp_kernel_malloc(size_t bytes)
-{
- /* vmalloc() is preferable if allocating more than 1 page */
- if (bytes > PAGE_SIZE)
- return vmalloc(bytes);
-
- return kmalloc(bytes, GFP_KERNEL);
-}
-
-/*
- * atomisp_kernel_zalloc: chooses whether set 0 to the allocated memory.
- *
- * It is also a wrap functions to pass into css framework.
- */
-void *atomisp_kernel_zalloc(size_t bytes, bool zero_mem)
-{
- void *ptr = atomisp_kernel_malloc(bytes);
-
- if (ptr && zero_mem)
- memset(ptr, 0, bytes);
-
- return ptr;
-}
-
-/*
* get sensor:dis71430/ov2720 related info from v4l2_subdev->priv data field.
* subdev->priv is set in mrst.c
*/
@@ -4316,7 +4287,7 @@ int atomisp_set_parameters(struct video_device *vdev,
* are ready, the parameters will be set to CSS.
* per-frame setting only works for the main output frame.
*/
- param = atomisp_kernel_zalloc(sizeof(*param), true);
+ param = kvzalloc(sizeof(*param), GFP_KERNEL);
if (!param) {
dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
__func__);
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.h b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.h
index 1ccd911..31ba4e6 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.h
@@ -78,8 +78,6 @@ static inline void __iomem *atomisp_get_io_virt_addr(unsigned int address)
return ret;
}
*/
-void *atomisp_kernel_malloc(size_t bytes);
-void *atomisp_kernel_zalloc(size_t bytes, bool zero_mem);

/*
* Interrupt functions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c
index 36f934d..05897b7 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c
@@ -1671,9 +1671,9 @@ int atomisp_alloc_metadata_output_buf(struct atomisp_sub_device *asd)
/* We allocate the cpu-side buffer used for communication with user
* space */
for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
- asd->params.metadata_user[i] = atomisp_kernel_malloc(
+ asd->params.metadata_user[i] = kvmalloc(
asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
- stream_info.metadata_info.size);
+ stream_info.metadata_info.size, GFP_KERNEL);
if (!asd->params.metadata_user[i]) {
while (--i >= 0) {
kvfree(asd->params.metadata_user[i]);
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h
index 4b03f28..7542a72f 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h
@@ -301,8 +301,6 @@ struct atomisp_device {

extern struct device *atomisp_dev;

-extern void *atomisp_kernel_malloc(size_t bytes);
-
#define atomisp_is_wdt_running(a) timer_pending(&(a)->wdt)
#ifdef ISP2401
extern void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe,
--
2.9.3
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