Re: [PATCH v3 2/3] ata: ahci_platform: Manage SATA PHY

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On Wednesday 08 January 2014 16:58:15 Roger Quadros wrote:
> hpriv->phy = devm_phy_get(dev, "sata-phy");
> if (IS_ERR(hpriv->phy)) {
>         if (PTR_ERR(hpriv->phy) == -ENODEV)
>                 goto continue;
> 
>         dev_err(dev, "couldn't get sata-phy\n");
>         rc = PTR_ERR(hpriv->phy);
>         goto disable_unprepare_clk;
> }
> 
> continue:
> 
> if (!IS_ERR(hpriv->phy)) {
>         rc = phy_init(hpriv->phy);
>         if (rc)
>                 goto disable_unprepare_clk;
> 
>         rc = phy_power_on(hpriv->phy);
>         if (rc) {
>                 phy_exit(hpriv->phy);
>                 goto disable_unprepare_clk;
>         }
> }

As I said, I'd prefer to set hpriv->phy to NULL in case of -ENODEV,
but functionally it seems right (with the fixup from your other mail).

One more comment: you shouldn't print an error message before
returning -EPROBE_DEFER, so if you want to keep that message,
you have to check for that return value after all.

	Arnd
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