[U-Boot] [PATCH 0/3] arm: add interrupt support

Masahiro YAMADA
2014-09-23T03:17:28Z

Hi Georges,

2014-09-23 3:24 GMT+09:00 Georges Savoundararadj <savoundg@gmail.com>:
> Le 22/09/2014 03:35, Masahiro Yamada a ?crit :
>>
>> On Sun, 21 Sep 2014 23:33:47 +0200
>> Georges Savoundararadj<savoundg@gmail.com> wrote:
>>
>>> Hi folks,
>>>
>>> I wanted to use interrupt on U-Boot on my Raspberry Pi but I have
>>> found that it did not work properly.
>>>
>>> My patches intend to make interrupt work.
>>
>>
>> I am not sure if interrupt feature is necessary for a boot loader.
>
> Of course, It is not necessary.
>
> But for U-boot, I think it is still important to handle exception correctly
> even if interrupts are not used. Don't you?
>
> For instance, without these patches an undefined instruction or any other
> exception causes an unexpected behavior. It is better to handle properly
> these cases (dump registers and reset CPU, see functions do_* in
> arch/arm/lib/interrupts.c).
> My patches should better be considered as *bugfixes*.
>

Sorry, totally my misunderstanding.
(I thought you were trying to implement a full interrupt feature.)

As long as they are bug fixes of exception handlers, they are fine.

I should have read your patches more carefully before my response.
Again, my apologies..

Best Regards
Masahiro Yamada

--
Best Regards
Masahiro Yamada