Re: [PATCH V2 2/2] ahci: add support for Hisilicon sata

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Hello,

On Thu, Apr 10, 2014 at 01:24:28PM +0800, Kefeng Wang wrote:
> From: Kefeng Wang <kefeng.wang@xxxxxxxxxx>
> 
> The hip04 SoC of hisilicon has an AHCI compliant SATA controller,
> and it is compliant with the ahci 1.3 and sata 3.0 specification.
> 
> There is a wrong bit in HOST_CAP of hip04 sata controller, which
> enable unsupported feature of FBS, use AHCI_HFLAG_NO_FBS hflag to
> disable it.
> 
> Cc: Hans de Geode <hdegoede@xxxxxxxxxx>
> Signed-off-by: Kefeng Wang <kefeng.wang@xxxxxxxxxx>
> @@ -54,8 +55,10 @@ static int ahci_probe(struct platform_device *pdev)
>  		if (rc)
>  			goto disable_resources;
>  	}
> +	if (of_device_is_compatible(pdev->dev.of_node, "hisilicon,hisi-ahci"))
> +		pi.private_data = (void *)AHCI_HFLAG_NO_FBS;

Hmmm.... this should work but looks a bit tedious and it could be
better to have a better mechanism to match devices to their
port_infos.  Hans, can you please comment?  If getting something more
structured is too much work, I can go with this but wanna find out
whether that's the case.

Thanks.

-- 
tejun
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