Re: [PATCH v6 2/2] media: aspeed: Allow to capture from SoC display (GFX)
From: Krzysztof Kozlowski
Date: Thu Aug 29 2024 - 03:56:36 EST
On 29/08/2024 08:45, Jammy Huang wrote:
> ASPEED BMC IC has 2 different display engines. Please find AST2600's
> datasheet to get detailed information.
>
...
>
> +/*
> + * Get regmap without checking res, such as clk/reset, that could lead to
> + * conflict.
> + */
> +static struct regmap *aspeed_regmap_lookup(struct device_node *np, const char *property)
> +{
> + struct device_node *syscon_np __free(device_node) = of_parse_phandle(np, property, 0);
> +
> + if (!syscon_np)
> + return ERR_PTR(-ENODEV);
> +
> + return device_node_to_regmap(syscon_np);
> +}
> +
> static int aspeed_video_init(struct aspeed_video *video)
> {
> int irq;
> int rc;
> struct device *dev = video->dev;
>
> + video->scu = aspeed_regmap_lookup(dev->of_node, "aspeed,scu");
> + video->gfx = aspeed_regmap_lookup(dev->of_node, "aspeed,gfx");
So that's a new property? Not related to conversion? Then split the
patches. Conversion is one logical change. Adding properties for new
hardware is completely different.
Best regards,
Krzysztof