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Message-ID: <56CC7947.6000909@opensource.altera.com>
Date: Tue, 23 Feb 2016 09:22:47 -0600
From: Dinh Nguyen <dinguyen@...nsource.altera.com>
To: Arnd Bergmann <arnd@...db.de>
CC: <linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: socfpga: hide unused functions
On 02/23/2016 08:08 AM, Arnd Bergmann wrote:
> The cpu_die and cpu_kill callbacks are only used when CONFIG_HOTPLUG_CPU
> is enabled, otherwise we get a warning about them:
>
> arch/arm/mach-socfpga/platsmp.c:102:13: error: 'socfpga_cpu_die' defined but not used [-Werror=unused-function]
> arch/arm/mach-socfpga/platsmp.c:115:12: error: 'socfpga_cpu_kill' defined but not used [-Werror=unused-function]
>
> This adds the appropriate #ifdef.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> arch/arm/mach-socfpga/platsmp.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c
> index cbb0a54df80a..07945748b571 100644
> --- a/arch/arm/mach-socfpga/platsmp.c
> +++ b/arch/arm/mach-socfpga/platsmp.c
> @@ -94,6 +94,7 @@ static void __init socfpga_smp_prepare_cpus(unsigned int max_cpus)
> scu_enable(socfpga_scu_base_addr);
> }
>
> +#ifdef CONFIG_HOTPLUG_CPU
> /*
> * platform-specific code to shutdown a CPU
> *
> @@ -116,6 +117,7 @@ static int socfpga_cpu_kill(unsigned int cpu)
> {
> return 1;
> }
> +#endif
>
> static const struct smp_operations socfpga_smp_ops __initconst = {
> .smp_prepare_cpus = socfpga_smp_prepare_cpus,
>
Acked-by: Dinh Nguyen <dinguyen@...nsource.altera.com>
Dinh
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