linux-kernel - Re: [PATCH RESEND] sata: xgene: add ACPI support for APM X-Gene SATA ports

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Message-ID: <5003912.K8jaqGYKiW@vostro.rjw.lan>
Date:	Thu, 19 Mar 2015 12:32:33 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Feng Kan <fkan@....com>, tj@...nel.org
Cc:	patches@....com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH RESEND] sata: xgene: add ACPI support for APM X-Gene SATA ports

On Thursday, March 19, 2015 11:58:50 AM Mika Westerberg wrote:
> On Wed, Mar 18, 2015 at 05:03:55PM -0700, Feng Kan wrote:
> > This adds ACPI support for the APM X-Gene SATA ports. When the system
> > boots using ACPI table, the SATA ports are able to configure using the
> > values supplied by the ACPI table rather than the DTS.
> > 
> > Signed-off-by: Feng Kan <fkan@....com>
> > Reviewed-by: Hanjun Guo <hanjun.guo@...aro.org>
> 
> One minor comment, see below. Other than that this looks good to me:
> 
> Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

Thanks Mika!

So for the patch

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

> > ---
> >  drivers/ata/ahci_xgene.c | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> > 
> > diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
> > index 2e8bb60..2b78510 100644
> > --- a/drivers/ata/ahci_xgene.c
> > +++ b/drivers/ata/ahci_xgene.c
> > @@ -22,6 +22,7 @@
> >   * NOTE: PM support is not currently available.
> >   *
> >   */
> > +#include <linux/acpi.h>
> >  #include <linux/module.h>
> >  #include <linux/platform_device.h>
> >  #include <linux/ahci_platform.h>
> > @@ -718,6 +719,14 @@ disable_resources:
> >  	return rc;
> >  }
> >  
> > +#ifdef CONFIG_ACPI
> > +static const struct acpi_device_id xgene_ahci_acpi_match[] = {
> > +	{ "APMC0D0D", },
> 
> I think writing the above without comma would look better:
> 
> 	{ "APMC0D0D" },
> 
> 
> > +	{ }
> > +};
> > +MODULE_DEVICE_TABLE(acpi, xgene_ahci_acpi_match);
> > +#endif
> > +
> >  static const struct of_device_id xgene_ahci_of_match[] = {
> >  	{.compatible = "apm,xgene-ahci"},
> >  	{},
> > @@ -730,6 +739,7 @@ static struct platform_driver xgene_ahci_driver = {
> >  	.driver = {
> >  		.name = DRV_NAME,
> >  		.of_match_table = xgene_ahci_of_match,
> > +		.acpi_match_table = ACPI_PTR(xgene_ahci_acpi_match),
> >  	},
> >  };
> >  
> --
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-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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