[PATCHv2 5/8] ARM: EXYNOS: Support secondary CPU boot of Exynos3250

Chanwoo Choi cw00.choi at samsung.com
Thu Apr 17 03:15:09 PDT 2014


Hi Tushar,

On 04/15/2014 02:09 PM, Tushar Behera wrote:
> On 15 April 2014 07:29, Chanwoo Choi <cw00.choi at samsung.com> wrote:
>> This patch fix the offset of CPU boot address and don't operate smc call
>> of SMC_CMD_CPU1BOOT command for Exynos3250.
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi at samsung.com>
>> Acked-by: Kyungmin Park <kyungmin.park at samsung.com>
>> ---
>>  arch/arm/mach-exynos/firmware.c | 7 +++++--
>>  1 file changed, 5 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c
>> index aa01c42..6205d4f 100644
>> --- a/arch/arm/mach-exynos/firmware.c
>> +++ b/arch/arm/mach-exynos/firmware.c
>> @@ -30,13 +30,16 @@ static int exynos_do_idle(void)
>>
>>  static int exynos_cpu_boot(int cpu)
>>  {
>> +       if (soc_is_exynos3250()) {
>> +               return 0;
>>         /*
>>          * The second parameter of SMC_CMD_CPU1BOOT command means CPU id.
>>          * But, Exynos4212 has only one secondary CPU so second parameter
>>          * isn't used for informing secure firmware about CPU id.
>>          */
>> -       if (soc_is_exynos4212())
>> +       } else if (soc_is_exynos4212()) {
>>                 cpu = 0;
>> +       }
>>
> 
> As you already return in case of Exynos3250, you need not change this.
> First commit hunk without the opening brace should be sufficient.

OK, I'll remove brace.

Best Regards,
Chanwoo Choi




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