From: Mark Lord <kernel@teksavvy.com>
To: Lin Ming <ming.m.lin@intel.com>
Cc: Jeff Garzik <jgarzik@pobox.com>, Tejun Heo <htejun@gmail.com>,
linux-ide@vger.kernel.org
Subject: Re: Hotplug borked after suspend/resume in Linux-3.3 ?
Date: Tue, 17 Apr 2012 21:46:50 -0400 [thread overview]
Message-ID: <4F8E1D0A.8000203@teksavvy.com> (raw)
In-Reply-To: <4F8E1ADF.3060606@teksavvy.com>
On 12-04-17 09:37 PM, Mark Lord wrote:
> On 12-04-17 09:29 PM, Lin Ming wrote:
>>
>> I'm working on the hotplug issue fix.
>>
>> Before the fix is ready, here is the one-line patch.
>> Could you give it a try?
> ..
>> --- a/drivers/ata/libata-transport.c
>> +++ b/drivers/ata/libata-transport.c
>> @@ -294,6 +294,7 @@ int ata_tport_add(struct device *parent,
>> device_enable_async_suspend(dev);
>> pm_runtime_set_active(dev);
>> pm_runtime_enable(dev);
>> + pm_runtime_forbid(dev);
>>
> ..
>
> I'm rebuilding the kernel right now.. should take about 5min or less to test.
Yeah, that (by itself) is enough to make things work again.
This looks like the one-liner that we really need upstream and in -stable.
Jeff?
I'll now use it instead of the (much larger) "v2 disable runtime pm" thing.
next prev parent reply other threads:[~2012-04-18 1:46 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-17 20:38 Hotplug borked after suspend/resume in Linux-3.3 ? Mark Lord
2012-04-17 20:48 ` Mark Lord
2012-04-17 20:51 ` Tejun Heo
2012-04-17 20:53 ` Mark Lord
2012-04-17 21:02 ` Mark Lord
2012-04-17 21:05 ` cwillu
2012-04-18 17:10 ` Martin Mokrejs
2012-04-18 17:29 ` Jeff Garzik
2012-04-18 17:44 ` Martin Mokrejs
2012-04-18 18:23 ` Martin Mokrejs
2012-04-18 18:32 ` Martin Mokrejs
2012-04-19 1:31 ` Lin Ming
[not found] ` <CAF1ivSYqzjv10F+sdYkR_jdTZvzKP1=_ZwgNDj2njnmb6uaenA@mail.gmail.com>
2012-04-19 8:16 ` Lin Ming
2012-04-19 17:28 ` Martin Mokrejs
2012-04-19 18:22 ` Martin Mokrejs
2012-04-20 1:46 ` Lin Ming
2012-04-20 2:37 ` Grant Grundler
2012-04-26 9:29 ` Gwendal Grignou
2012-04-26 13:06 ` Lin Ming
2012-04-26 16:50 ` Gwendal Grignou
2012-05-03 1:26 ` Lin Ming
2012-05-19 23:58 ` [PATCH 3.3.y] libata: forbid port runtime pm by default, fixing regression Jonathan Nieder
2012-05-24 17:30 ` Greg KH
2012-04-17 21:04 ` Hotplug borked after suspend/resume in Linux-3.3 ? Jeff Garzik
2012-04-17 20:57 ` Jeff Garzik
2012-04-17 21:05 ` Mark Lord
2012-04-17 21:10 ` Jeff Garzik
2012-04-17 21:16 ` Mark Lord
[not found] ` <CAF1ivSbEWJ18vV1ZqTnzWuZ5AXKwj+0pPPzCWUmnT_JKwKKQ2w@mail.gmail.com>
2012-04-18 1:29 ` Lin Ming
2012-04-18 1:37 ` Mark Lord
2012-04-18 1:46 ` Mark Lord [this message]
2012-04-18 6:18 ` Jeff Garzik
2012-04-18 1:52 ` Lin Ming
2012-04-18 2:28 ` Jeff Garzik
2012-04-17 20:50 ` Jeff Garzik
2012-04-17 21:07 ` Mark Lord
2012-04-17 21:14 ` Mark Lord
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