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SubjectRe: [PATCH] rtc: rtc-at91rm9200: use a variable for storing IMR
On 03/20/2013 10:50 PM, Andrew Morton :
> On Fri, 15 Mar 2013 18:37:12 +0100 Nicolas Ferre <nicolas.ferre@atmel.com> wrote:
>
>> On some revisions of AT91 SoCs, the RTC IMR register is not working.
>> Instead of elaborating a workaround for that specific SoC or IP version,
>> we simply use a software variable to store the Interrupt Mask Register and
>> modify it for each enabling/disabling of an interrupt. The overhead of this
>> is negligible anyway.
>
> This description doesn't really allow me or others to work out whether
> the fix should be included in 3.9 or backported into earlier kernels.
>
> So please, when fixing a bug do include a full description of the
> user-visible effects of that bug. And your opinion regarding the
> -mainline and -stable decision is always useful.

Yes, sure.

Concerning this patch, we can imagine to push it upstream as a bugfix
for 3.9-rc. It is not a regression because... well... it has never
worked properly on the affected SoC family.

For -stable, we can add this tag:

Cc: stable <stable@vger.kernel.org> [v3.8+]


As this patch applies up to this revision. For other kernel releases, I
will need to rework the patch a little bit due to files name modifications.

Thanks, best regards,
--
Nicolas Ferre


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