On 6/27/2012 12:28 PM, Artem Bityutskiy wrote:
> On Wed, 2012-06-27 at 12:11 +0800, Josh Wu wrote:
>> Hi, Artem
>>
>> On 6/27/2012 11:49 AM, Artem Bityutskiy wrote:
>>> On Mon, 2012-06-25 at 18:07 +0800, Josh Wu wrote:
>>>> Those patches is based on v3.5-rc4
>>>>
>>>> Changes since v10,
>>>> 	add one more patch in this patch set, which add 'int' return value for write_page()/write_page_raw() functions in structure of nand_ecc_ctrl.
>>>> 	Instead of calling BUG(), atmel_nand_pmecc_write_page() will return -EIO when time out to read the pmecc status register.
>>>> 	increase the time-out duration to 100ms, which has more toleration.
>>>> 	add oob_required argument for pmecc read/write functions to align with v3.5-rc4.
>>> I have issues compiling l2-mtd.git tree (based on 3.5-rc5) with the
>>> attached defconfig. Probably not your fault, but may be you have a
>>> fix/suggestion? I did not have time to look closer. Aiaiai reports:
>> I think the name of kernel config for AT91 is changed, so you can try
>> add following two line in your original config file.
>>
>> CONFIG_SOC_AT91SAM9=y
>> CONFIG_SOC_AT91RM9200=y
>>
>> run the make menuconfig will get new config, that can pass the compile.
> I get "arm-unknown-linux-gnueabi-ld: no machine record defined". I think
> it wants me to select the board. I've tried one and get another
> compilation issue:
>
> arch/arm/mach-at91/built-in.o:(.arch.info.init+0xbc): undefined
> reference to `at91sam926x_timer'
>
> It looks like AT91 stuff is not looked after carefully.

I find out the reason, we need add "CONFIG_ARCH_AT91RM9200=y" in your 
config file. The ARCH_AT91xxx is for non DT board.
more information can be found in: 
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1e3ce2b8545390a2aee8dbfcd49ca4161b636000
which introduce SOC_AT91xxx definition for SoC core support.

> Can you please send me a working defconfig based on the one I sent you -
> just modify it.
>

I attached the defconfig file.

Best Regards,
Josh Wu