[U-Boot] [PATCH 03/10] ARM: PSCI: export common PSCI function declarations for C code

[Chen-Yu Tsai]

On Tue, May 24, 2016 at 5:58 PM, Marc Zyngier <marc.zyngier at arm.com> wrote:
> On 23/05/16 13:41, Chen-Yu Tsai wrote:
>> Some common PSCI functions are written in assembly, but it should be
>> possible to use them from C code.
>>
>> Add function declarations for C code to consume.
>>
>> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
>> ---
>>  arch/arm/include/asm/psci.h | 8 ++++++++
>>  1 file changed, 8 insertions(+)
>>
>> diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
>> index 128a606444fe..5db33562a299 100644
>> --- a/arch/arm/include/asm/psci.h
>> +++ b/arch/arm/include/asm/psci.h
>> @@ -33,6 +33,14 @@
>>  #define ARM_PSCI_RET_DENIED          (-3)
>>
>>  #ifndef __ASSEMBLY__
>> +#include <asm/types.h>
>> +#include <linux/compiler.h>
>> +
>> +void __section("._secure.text") psci_cpu_entry(void);
>> +u32 __section("._secure.text") psci_get_cpu_id(void);
>> +u32 __section("._secure.text") psci_get_cpu_stack_top(int cpu);
>> +void __section("._secure.text") psci_cpu_off_common(void);
>> +
>
> I may be wrong, but I don't think the section matters for prototypes. It
> is only at the location where the code is actually generated that it is
> actually useful.

You're right. Dropping the section attributes here.

ChenYu