[PATCH v2 1/8] ARM: add mach-asm9260

[Oleksij Rempel]

Am 24.09.2014 um 11:43 schrieb Russell King - ARM Linux:
> On Wed, Sep 24, 2014 at 10:00:48AM +0200, Oleksij Rempel wrote:
>> Am 23.09.2014 um 12:19 schrieb Arnd Bergmann:
>>> No, all of them.
>>
>> By removing it i triggered one error which i don't really understand. It
>> will be great if you can help me.
>>
>> By defaul kernel will do fallowing remapping, which will trigger:
>> "Unable to handle kernel paging request at virtual address c2802174"
>>
>> phys addr     ioremap        range size
>> =======================================
>> 0x80054000 -> c2800000 size: 0x200
>> 0x80040000 -> c2802000 size: 0x204
>> 0x80088000 -> c2808000 size: 0x4000
>>
>>
>> But if change second range from 0x204 to 0x4000, then it works fine.
>> 0x80054000 -> c2800000 size: 0x200
>> 0x80040000 -> c2808000 size: 0x4000
>> 0x80088000 -> c2810000 size: 0x4000
>>
>> Why?
> 
> The "why" is in the text from your oops dump.  That's precisely /why/ we
> print that text - so that we know /why/ the fault happened.
> 

Here is oops message:
http://pastebin.com/qYWeAyfV

i can avoid this oops by setting size at least 0x2000 per register
range. Do it mean my TLB supports only 8 KiB pages?

-- 
Regards,
Oleksij

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