Re: [PATCH v4 4/7] ata: ahci_platform: add the Marvell Berlin AHCI compatible

From: Antoine Ténart
Date: Tue May 20 2014 - 05:23:20 EST


On Tue, May 20, 2014 at 11:18:11AM +0200, Sebastian Hesselbarth wrote:
> On 05/20/2014 11:04 AM, Antoine Ténart wrote:
> >The Marvell Berlin AHCI has all his specific in the PHY driver. It then
> >only need to use the libahci functions to work properly.
>
> If it is that generic, ..
>
> >Add its compatible into the libahci_platform driver.
> >
> >Signed-off-by: Antoine Ténart <antoine.tenart@xxxxxxxxxxxxxxxxxx>
> >---
> > drivers/ata/ahci_platform.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> >diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
> >index ef67e79944f9..bc050aabf206 100644
> >--- a/drivers/ata/ahci_platform.c
> >+++ b/drivers/ata/ahci_platform.c
> >@@ -76,6 +76,7 @@ static const struct of_device_id ahci_of_match[] = {
> > { .compatible = "snps,exynos5440-ahci", },
> > { .compatible = "ibm,476gtr-ahci", },
> > { .compatible = "snps,dwc-ahci", },
> >+ { .compatible = "marvell,berlin-ahci", },
>
> .. why have a Marvell-specific compatible?

Well, the 3 other compatibles seemed as generic as the marvell one. Just
following what was done before here.

> How about "generic-ahci" instead, like we have for other fooHCIs
> already?

That would avoid an endless list of compatibles :)

Antoine

--
Antoine Ténart, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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