On Sat, 15 Dec 2012 17:58:02 +0800
Albert Wang <twang13@xxxxxxxxxxx> wrote:
> This patch adds the dma burst size config support for marvell-ccic.
> Developer can set the dma burst size in specified board driver.
> diff --git a/drivers/media/platform/marvell-ccic/mcam-core.h b/drivers/media/platform/marvell-ccic/mcam-core.h
> index 57442e0..e1025f2 100755
> --- a/drivers/media/platform/marvell-ccic/mcam-core.h
> +++ b/drivers/media/platform/marvell-ccic/mcam-core.h
> @@ -126,6 +126,7 @@ struct mcam_camera {
> short int use_smbus; /* SMBUS or straight I2c? */
> enum mcam_buffer_mode buffer_mode;
>
> + int burst;
That's a register flag value, seems it should be unsigned (says the guy who
is admittedly sloppy about such things).
> int mclk_min;
> int mclk_src;
> int mclk_div;
> @@ -411,9 +412,9 @@ int mcam_soc_camera_host_register(struct mcam_camera *mcam);
> #define C1_DESC_3WORD 0x00000200 /* Three-word descriptors used */
> #define C1_444ALPHA 0x00f00000 /* Alpha field in RGB444 */
> #define C1_ALPHA_SHFT 20
> -#define C1_DMAB32 0x00000000 /* 32-byte DMA burst */
> -#define C1_DMAB16 0x02000000 /* 16-byte DMA burst */
> -#define C1_DMAB64 0x04000000 /* 64-byte DMA burst */
> +#define C1_DMAB64 0x00000000 /* 64-byte DMA burst */
> +#define C1_DMAB128 0x02000000 /* 128-byte DMA burst */
> +#define C1_DMAB256 0x04000000 /* 256-byte DMA burst */
Interesting, did I just get those wrong somehow? Or might they have been
different in the Cafe days?
Acked-by: Jonathan Corbet <corbet@xxxxxxx>
jon
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