Re: [v2 06/10] phy: phy_brcmstb_sata: add data for phy version

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On Tuesday 27 October 2015 15:48:07 Jaedon Shin wrote:
> 
>  static const struct of_device_id brcm_sata_phy_of_match[] = {
> -       { .compatible   = "brcm,bcm7445-sata-phy" },
> +       { .compatible   = "brcm,bcm7445-sata-phy",
> +         .data = (void *)BRCM_SATA_PHY_28NM },
>         {},
>  };
>  MODULE_DEVICE_TABLE(of, brcm_sata_phy_of_match);
> @@ -135,6 +145,7 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
>  {
>         struct device *dev = &pdev->dev;
>         struct device_node *dn = dev->of_node, *child;
> +       const struct of_device_id *of_id;
>         struct brcm_sata_phy *priv;
>         struct resource *res;
>         struct phy_provider *provider;
> @@ -154,6 +165,12 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
>         if (IS_ERR(priv->phy_base))
>                 return PTR_ERR(priv->phy_base);
>  
> +       of_id = of_match_node(brcm_sata_phy_of_match, dn);
> +       if (of_id)
> +               priv->version = (enum brcm_sata_phy_version)of_id->data;
> +       else
> +               priv->version = BRCM_SATA_PHY_28NM;
> +
> 

As you don't actually use that variable except to set the 'offset' for
phy_base, it would be nicer to use a structure that you can point to:

struct brcm_sata_phy_data {
	unsigned long offset;
};

const struct brcm_sata_phy_data brcm_sata_phy_28nm = {
	.offset = SATA_MDIO_REG_28NM_SPACE_SIZE,
};

static const struct of_device_id brcm_sata_phy_of_match[] = {
	{ .compatible   = "brcm,bcm7445-sata-phy", .data = &brcm_sata_phy_28nm },
	{},
};

	Arnd
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