[PATCH] cpm2: Round the baud-rate clock divider to the nearest integer.
Kumar Gala
galak at kernel.crashing.org
Fri Jan 16 01:42:14 EST 2009
On Jan 15, 2009, at 7:18 AM, Laurent Pinchart wrote:
> Hi Kumar,
>
> On Thursday 20 November 2008 17:00:54 Kumar Gala wrote:
>> On Nov 20, 2008, at 9:57 AM, Laurent Pinchart wrote:
>>> On Thursday 20 November 2008 16:32:21 Kumar Gala wrote:
>>>> On Nov 20, 2008, at 6:32 AM, Laurent Pinchart wrote:
>>>>> Instead of rounding the divider down, improve the baud-rate
>>>>> generators
>>>>> accuracy by rounding to the nearest integer.
>>>>>
>>>>> Signed-off-by: Laurent Pinchart <laurentp at cse-semaphore.com>
>>>>> ---
>>>>> arch/powerpc/sysdev/cpm2.c | 3 ++-
>>>>> 1 files changed, 2 insertions(+), 1 deletions(-)
>>>>
>>>> is this fixing a bug or just making things better?
>>>
>>> I guess it depends on your definition of bug :-) The problem has
>>> always been present in the kernel sources, and people seem to have
>>> coped
>>> with it until today. It is still a bug in my opinion, but I
>>> suppose the
>>> patch can wait until 2.6.29 especially if we want to get it tested
>>> (it
>>> slightly changes baud rates after all).
>>
>> Ok. I'll put this in the .29 queue. Can you provide a bit more
>> detail
>> on the issue this is resolving.
>
> 2.6.29-rc1 is out and I haven't seen the patch being applied
> anywhere. Is
> there any blocking issue ?
I wasn't sure if you and Scott had come to resolution on the rounding
issue.
- k
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