From: nm@ti.com (Menon, Nishanth)
To: linux-arm-kernel@lists.infradead.org
Subject: Duration of mdelay and udelay depends on MPU frequency in SMP
Date: Mon, 13 Jun 2011 23:19:40 -0500 [thread overview]
Message-ID: <BANLkTik9RVDtc0O2LkGTpbhT53a2CMcaTg@mail.gmail.com> (raw)
In-Reply-To: <4DF6D46B.90806@codeaurora.org>
On Mon, Jun 13, 2011 at 22:24, Stephen Boyd <sboyd@codeaurora.org> wrote:
> On 06/10/2011 03:19 PM, Menon, Nishanth wrote:
>> On Thu, May 12, 2011 at 01:42, Santosh Shilimkar
>> <santosh.shilimkar@ti.com> wrote:
>>>
>>> It's a well known problem if the udelay() is based of global lpj.
>>> You can read more here [1]
>>>
>>> Regards
>>> Santosh
>>> [1] http://eeek.borgchat.net/lists/arm-kernel/msg120702.html
>> I am curious about this topic now.
>> Searching Russel's patchworks for this:
>> http://www.arm.linux.org.uk/developer/patches/search.php?summary=udelay
>> I see nothing queued. What is the recommendation for udelay?
>
> The patches are sitting in Russell's patch tracker, waiting for him to
> accept/reject them.
>
> http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=6874/1
> http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=6875/1
> http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=6873/1
thanks for the same and hope these do get through :)
Regards,
Nishanth Menon
prev parent reply other threads:[~2011-06-14 4:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-05 6:49 Duration of mdelay and udelay depends on MPU frequency in SMP Saquib
2011-05-05 6:53 ` Saquib
2011-05-12 6:42 ` Santosh Shilimkar
2011-06-10 22:19 ` Menon, Nishanth
2011-06-14 3:24 ` Stephen Boyd
2011-06-14 4:19 ` Menon, Nishanth [this message]
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