[U-Boot] [PATCH v2] ARM: zynq: disable CONFIG_SYS_MALLOC_F to fix MMC boot

[Simon Glass]

Hi,

On 8 April 2015 at 02:03, Michal Simek <michal.simek at xilinx.com> wrote:
> On 04/08/2015 07:25 AM, Masahiro Yamada wrote:
>> Since commit 326a682358c1 (malloc_f: enable SYS_MALLOC_F by default
>> if DM is on), Zynq MMC boot hangs up after printing the following:
>>
>>     U-Boot SPL 2015.04-rc5-00053-gadcc570 (Apr 08 2015 - 12:59:11)
>>     mmc boot
>>     reading system.dtb
>>
>> Prior to commit 326a682358c1, Zynq boards enabled CONFIG_DM, but
>> not CONFIG_SYS_MALLOC_F.  That commit forcibly turned on
>> CONFIG_SYS_MALLOC_F.  I have not figured out the root cause, but
>> anyway it looks like CONFIG_SYS_MALLOC_F gave a bad impact on the
>> Zynq MMC boot.
>>
>> We are planning to have the v2015.04 release in a few days.
>> I know this is a defensive fixup, but what I can do now is to add
>>    # CONFIG_SYS_MALLOC_F is not set
>> to every Zynq defconfig file to get back the original behavior.
>>
>> Tested on:
>>   - Zedboard
>>   - ZC706 board
>>
>> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
>> Cc: Michal Simek <michal.simek at xilinx.com>
>> Cc: Simon Glass <sjg at chromium.org>
>> ---
>>
>> This problem is urgent!
>>
>> If we cannot find the better solution, please apply this patch
>> by the v2015.04 release.
>> ^^^^^^^^^^^^^^^^^^^^^^^
>
> Tested-by: Michal Simek <michal.simek at xilinx.com>
>
> Tom: Can you please add it to your tree?

That's fine, although if we can wait a few days we might figure out
the root cause. See the other thread for context.

Regards,
Simon