From: Brian King <brking@linux.vnet.ibm.com>
To: michael@ellerman.id.au
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 2/2] powerpc: Add power management support to VIO bus
Date: Mon, 10 May 2010 08:40:37 -0500 [thread overview]
Message-ID: <4BE80CD5.809@linux.vnet.ibm.com> (raw)
In-Reply-To: <1273458906.6591.4.camel@concordia>
On 05/09/2010 09:35 PM, Michael Ellerman wrote:
> On Fri, 2010-05-07 at 13:58 -0500, Brian King wrote:
>> Adds support for suspend/resume for VIO devices. This is needed for
>> support for HMC initiated hibernation.
>>
>> Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
>> ---
>>
>> arch/powerpc/kernel/vio.c | 24 ++++++++++++++++++++++++
>> 1 file changed, 24 insertions(+)
>>
>> diff -puN arch/powerpc/kernel/vio.c~powerpc_vio_bus_pm arch/powerpc/kernel/vio.c
>> --- linux-2.6/arch/powerpc/kernel/vio.c~powerpc_vio_bus_pm 2010-05-07 13:49:16.000000000 -0500
>> +++ linux-2.6-bjking1/arch/powerpc/kernel/vio.c 2010-05-07 13:49:16.000000000 -0500
>> @@ -1358,6 +1358,29 @@ static int vio_hotplug(struct device *de
>> return 0;
>> }
>>
>> +static int vio_pm_suspend(struct device *dev)
>> +{
>> + const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
>> +
>> + if (pm && pm->suspend)
>> + return pm->suspend(dev);
>> + return 0;
>> +}
>> +
>> +static int vio_pm_resume(struct device *dev)
>> +{
>> + const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
>> +
>> + if (pm && pm->resume)
>> + return pm->resume(dev);
>> + return 0;
>> +}
>> +
>> +const struct dev_pm_ops vio_dev_pm_ops = {
>> + .suspend = vio_pm_suspend,
>> + .resume = vio_pm_resume,
>> +};
>
> That just looks like boiler plate, is there not a generic version
> somewhere?
Looks there is. I'll update the patch to use the generic helpers.
Thanks,
Brian
--
Brian King
Linux on Power Virtualization
IBM Linux Technology Center
next prev parent reply other threads:[~2010-05-10 13:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-07 18:58 [PATCH 2/2] powerpc: Add power management support to VIO bus Brian King
2010-05-10 2:35 ` Michael Ellerman
2010-05-10 13:40 ` Brian King [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-02-24 0:02 Brian King
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4BE80CD5.809@linux.vnet.ibm.com \
--to=brking@linux.vnet.ibm.com \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=michael@ellerman.id.au \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).