From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marc Zyngier <marc.zyngier@arm.com>
Date: Tue, 24 May 2016 10:58:53 +0100
Subject: [U-Boot] [PATCH 03/10] ARM: PSCI: export common PSCI function
 declarations for C code
In-Reply-To: <1464007306-30269-4-git-send-email-wens@csie.org>
References: <1464007306-30269-1-git-send-email-wens@csie.org>
 <1464007306-30269-4-git-send-email-wens@csie.org>
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To: u-boot@lists.denx.de

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@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.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...