linux-kernel - Re: Updated libata acpi patches for GIT HEAD

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Date:	Sun, 27 Aug 2006 15:05:42 -0700
From:	"Randy.Dunlap" <rdunlap@...otime.net>
To:	Thomas Glanzmann <sithglan@...d.uni-erlangen.de>,
	forrest.zhao@...el.com
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"Michael S. Tsirkin" <mst@...lanox.co.il>
Subject: Re: Updated libata acpi patches for GIT HEAD

On Sun, 27 Aug 2006 23:50:32 +0200 Thomas Glanzmann wrote:

> Hello Randy,

Hi,
Please use rdunlap@...otime.net or randy.dunlap@...cle.com now.

> I have a T60 and use your libata acpi patch which saves/restores the
> taskfile of the disk on hibernation and resume. I wonder if you have an
> updated patch for GIT HEAD because a colleague with a similar notebook
> has to use GIT HEAD to get his soundcard supported. I tried to port it
> myself and there was only one reject which I maybe fixed, but I don't
> intend to try the patch so I don't know:

I don't have a suitable machine for testing.
Forrest Zhao at Intel was picking up continuing work on this patch.

Someone else did a patch update and put that function call in
ata_bus_probe().  See
http://vizzzion.org/stuff/thinkpad-t60/libata-acpi.diff


> @@ -4290,6 +4294,7 @@ int ata_device_resume(struct ata_port *a
>         }
>         if (!ata_dev_present(dev))
>                 return 0;
> +       ata_acpi_exec_tfs(ap);
>         if (dev->class == ATA_DEV_ATA)
>                 ata_start_drive(ap, dev);
> 
> in libata-core.c. This function ata_device_resume does no longer exist in GIT
> HEAD, so I modified the following function ata_scsi_device_resume instead:
> 
> diff -ruN linux-2.6.orig/drivers/scsi/libata-scsi.c linux-2.6/drivers/scsi/libata-scsi.c
> --- linux-2.6.orig/drivers/scsi/libata-scsi.c   2006-08-27 20:01:34.000000000 +0200
> +++ linux-2.6/drivers/scsi/libata-scsi.c        2006-08-27 23:13:00.000000000 +0200
> @@ -499,6 +499,8 @@
>             sdev->sdev_state == SDEV_CANCEL || sdev->sdev_state == SDEV_DEL)
>                 goto out_unlock;
> 
> +       ata_acpi_exec_tfs(ap);
> +
>         /* request resume */
>         action = ATA_EH_RESUME;
>         if (sdev->sdev_gendev.power.power_state.event == PM_EVENT_SUSPEND)


---
~Randy
-
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