Subject: [PATCH v5 10/11] davinci: dm644x: add support for v4l2 video display

From: [email-masked] (Sergei Shtylyov)
Date: Wed, 14 Dec 2011 14:48:40 +0400

Hello.

On 13-12-2011 15:23, Manjunath Hadli wrote:

> Create platform devices for various video modules like venc,osd,
> vpbe and v4l2 driver for dm644x. Change the dm644x_init_video to
> make room for display config, and register the vpfe or vpbe devices
> based on the config pointer validity to make sure boards without vpfe
> or vpbe can be built with minimal changes.

> Signed-off-by: Manjunath Hadli<[email-masked]>
[...]

> diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
> index 6c034fd..2e408d8 100644
> --- a/arch/arm/mach-davinci/dm644x.c
> +++ b/arch/arm/mach-davinci/dm644x.c
[...]
> @@ -654,7 +654,127 @@ static struct platform_device dm644x_vpfe_dev = {
[...]
> +#define DM644X_OSD_REG_BASE		0x01c72600
[...]
> +#define DM644X_VENC_REG_BASE		0x01c72400

    Why not without _REG, like all the other #define's?

> +static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
> +				   unsigned int mode)
> +{
> +	int ret = 0;
> +	void __iomem *vpss_clkctl_reg;
> +
> +	vpss_clkctl_reg = DAVINCI_SYSMODULE_VIRT(0x44);

    Why not in the initializer?

> +	switch (type) {
> +	case VPBE_ENC_STD:
> +		writel(0x18, vpss_clkctl_reg);
> +		break;
> +	case VPBE_ENC_DV_PRESET:
> +		switch ((unsigned int)mode) {

    'mode' is already 'unsigned int'.

WBR, Sergei