Re: patch to fix psci_smp_avaliable build error

[Alex Shi <alex.shi@linaro.org>]

Ping.

On 02/19/2016 10:15 AM, Alex Shi wrote:
> 
> This patch is needed on lts 4.4 for the same build error. Could you like to pick it up?
> 
> Regards
> Alex
> ---------
> commit be95485a0b8288a93402705730d3ea32f9f812b9
> Author: Arnd Bergmann <arnd@arndb.de>
> Date:   Thu Nov 19 15:03:57 2015 +0100
> 
>     ARM: 8457/1: psci-smp is built only for SMP
>     
>     The PSCI SMP implementation is built only when both CONFIG_SMP and
>     CONFIG_ARM_PSCI are set, so a configuration that has the latter
>     but not the former can get a link error when it tries to call
>     psci_smp_available().
>     
>     arch/arm/mach-tegra/built-in.o: In function `tegra114_cpuidle_init':
>     cpuidle-tegra114.c:(.init.text+0x52a): undefined reference to `psci_smp_available'
>     
>     This corrects the #ifdef in the psci.h header file to match the
>     Makefile conditional we have for building that function.
>     
>     Signed-off-by: Arnd Bergmann <arnd@arndb.de>
>     Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
> 
> diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
> index 68ee3ce..b4c6d99 100644
> --- a/arch/arm/include/asm/psci.h
> +++ b/arch/arm/include/asm/psci.h
> @@ -16,7 +16,7 @@
>  
>  extern struct smp_operations psci_smp_ops;
>  
> -#ifdef CONFIG_ARM_PSCI
> +#if defined(CONFIG_SMP) && defined(CONFIG_ARM_PSCI)
>  bool psci_smp_available(void);
>  #else
>  static inline bool psci_smp_available(void) { return false; }
>