Hi Arun,

On 03/08/2013 03:59 PM, Arun Kumar K wrote:
> FIMC-IS firmware needs all the MIPI-CSIS interrupts to be enabled.
> This patch enables all those MIPI interrupts.
> 
> Signed-off-by: Arun Kumar K <arun...@samsung.com>
> ---
>  drivers/media/platform/s5p-fimc/mipi-csis.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/s5p-fimc/mipi-csis.c 
> b/drivers/media/platform/s5p-fimc/mipi-csis.c
> index debda7c..11eef67 100644
> --- a/drivers/media/platform/s5p-fimc/mipi-csis.c
> +++ b/drivers/media/platform/s5p-fimc/mipi-csis.c
> @@ -64,7 +64,7 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
>  
>  /* Interrupt mask */
>  #define S5PCSIS_INTMSK                       0x10
> -#define S5PCSIS_INTMSK_EN_ALL                0xf000103f
> +#define S5PCSIS_INTMSK_EN_ALL                0xfc00103f

Do you know what interrupts are assigned to the CSIS_INTMSK
bits 26, 27 ? In the documentation I have they are marked
as reserved. I have tested this patch on Exynos4x12, it seems
OK but you might want to merge it to the patch adding compatible
property for exynos5.

It would be good to know what these bits are for. And how
enabling the interrupts actually help without modifying the
interrupt handler ? Is it enough to just acknowledge those
interrupts ? Or how it works ?

--

Regards,
Sylwester
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