Duration of mdelay and udelay depends on MPU frequency in SMP

[Menon, Nishanth]

On Mon, Jun 13, 2011 at 22:24, Stephen Boyd <sboyd at 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 at 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