Hi Marek/Kyungmin,
On Fri, Aug 19, 2011 at 04:27:44PM +0200, Marek Szyprowski wrote:
> This patch is an example how device private CMA area can be activated.
> It creates one CMA region and assigns it to the first s5p-fimc device on
> Samsung Goni S5PC110 board.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> ---
> arch/arm/mach-s5pv210/mach-goni.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
> diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
> index 14578f5..f766c45 100644
> --- a/arch/arm/mach-s5pv210/mach-goni.c
> +++ b/arch/arm/mach-s5pv210/mach-goni.c
> @@ -26,6 +26,7 @@
> #include <linux/input.h>
> #include <linux/gpio.h>
> #include <linux/interrupt.h>
> +#include <linux/dma-contiguous.h>
>
> #include <asm/mach/arch.h>
> #include <asm/mach/map.h>
> @@ -857,6 +858,9 @@ static void __init goni_map_io(void)
> static void __init goni_reserve(void)
> {
> s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
> +
> + /* Create private 16MiB contiguous memory area for s5p-fimc.0 device */
> + dma_declare_contiguous(&s5p_device_fimc0.dev, 16*SZ_1M, 0);
This is broken, since according to patch #0006, dma_declare_contiguous requires
a 4th param (limit) which you're not providing here.
Regards,
Sergio
> }
>
> static void __init goni_machine_init(void)
> --
> 1.7.1.569.g6f426
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>