I have tested it on OMAP4430 blaze and OMAP3430 SDP platforms.
I do not have the hardware to test omap24xxcam change. Can someone please help me on this?
Thanks,
Amber
> -----Original Message-----
> From: JAIN, AMBER
> Sent: Tuesday, May 31, 2011 3:22 PM
> To: linux-media@xxxxxxxxxxxxxxx
> Cc: Hiremath, Vaibhav; sakari.ailus@xxxxxx; JAIN, AMBER
> Subject: [PATCH] OMAP: V4L2: Remove GFP_DMA allocation as ZONE_DMA is not
> configured on OMAP
>
> Remove GFP_DMA from the __get_free_pages() call as ZONE_DMA is not
> configured
> on OMAP. Earlier the page allocator used to return a page from ZONE_NORMAL
> even when GFP_DMA is passed and CONFIG_ZONE_DMA is disabled.
> As a result of commit a197b59ae6e8bee56fcef37ea2482dc08414e2ac, page
> allocator
> returns null in such a scenario with a warning emitted to kernel log.
>
> Signed-off-by: Amber Jain <amber@xxxxxx>
> ---
> drivers/media/video/omap/omap_vout.c | 2 +-
> drivers/media/video/omap24xxcam.c | 4 ++--
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/video/omap/omap_vout.c
> b/drivers/media/video/omap/omap_vout.c
> index 4ada9be..8cac624 100644
> --- a/drivers/media/video/omap/omap_vout.c
> +++ b/drivers/media/video/omap/omap_vout.c
> @@ -181,7 +181,7 @@ static unsigned long omap_vout_alloc_buffer(u32
> buf_size, u32 *phys_addr)
>
> size = PAGE_ALIGN(buf_size);
> order = get_order(size);
> - virt_addr = __get_free_pages(GFP_KERNEL | GFP_DMA, order);
> + virt_addr = __get_free_pages(GFP_KERNEL , order);
> addr = virt_addr;
>
> if (virt_addr) {
> diff --git a/drivers/media/video/omap24xxcam.c
> b/drivers/media/video/omap24xxcam.c
> index f6626e8..ade9262 100644
> --- a/drivers/media/video/omap24xxcam.c
> +++ b/drivers/media/video/omap24xxcam.c
> @@ -309,11 +309,11 @@ static int omap24xxcam_vbq_alloc_mmap_buffer(struct
> videobuf_buffer *vb)
> order--;
>
> /* try to allocate as many contiguous pages as possible */
> - page = alloc_pages(GFP_KERNEL | GFP_DMA, order);
> + page = alloc_pages(GFP_KERNEL , order);
> /* if allocation fails, try to allocate smaller amount */
> while (page == NULL) {
> order--;
> - page = alloc_pages(GFP_KERNEL | GFP_DMA, order);
> + page = alloc_pages(GFP_KERNEL , order);
> if (page == NULL && !order) {
> err = -ENOMEM;
> goto out;
> --
> 1.7.1
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