[U-Boot] [PATCH 1/2] arm: add a weak function reset_cpu

[Peng Fan <van.freenix@gmail.com>]

Hi Stefano,
On Mon, Jan 04, 2016 at 09:59:10AM +0100, Stefano Babic wrote:
>Hi Peng,
>
>On 04/01/2016 05:19, Peng Fan wrote:
>> This commit 4bdcbe60a142b08eefccb0e326a37ba81d3389e8 removes reset_cpu which
>> breaks SPL build when DEBUG macro defined.
>> 
>> Introudce a weak function reset_cpu to avoid build failure when
>> building SPL for i.MX with DEBUG enabled.
>> "
>> arch/arm/lib/built-in.o: In function `do_reset':
>> ~/uboot/arch/arm/lib/reset.c:45: undefined reference to `reset_cpu'
>> scripts/Makefile.spl:244: recipe for target 'spl/u-boot-spl' failed
>> "
>
>I do not like to add a weak function just to fix the build, if this is
>not strictly necessary. IMHO the build fails because we moved
>reset_cpu() inside the watchdog driver to make it available for all
>CPUs. Is imx_watchdog not built together with SPL ?

Will switch to enable "#define CONFIG_SPL_WATCHDOG_SUPPORT" in imx6_spl.h to
fix this issue.

Thanks,
Peng.

>
>> 
>> Signed-off-by: Peng Fan <peng.fan@nxp.com>
>> Cc: Albert Aribaud <albert.u.boot@aribaud.net>
>> Cc: Stefano Babic <sbabic@denx.de>
>> Cc: Fabio Estevam <fabio.estevam@freescale.com>
>> ---
>>  arch/arm/lib/reset.c | 4 ++++
>>  1 file changed, 4 insertions(+)
>> 
>> diff --git a/arch/arm/lib/reset.c b/arch/arm/lib/reset.c
>> index 9a95f08..4dd0131 100644
>> --- a/arch/arm/lib/reset.c
>> +++ b/arch/arm/lib/reset.c
>> @@ -27,6 +27,10 @@ __weak void reset_misc(void)
>>  {
>>  }
>>  
>> +__weak void reset_cpu(ulong addr)
>> +{
>> +}
>> +
>>  int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>>  {
>>  	puts ("resetting ...\n");
>> 
>
>Best regards,
>Stefano Babic
>
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