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Message-ID: <527BCFC3.2060707@free-electrons.com>
Date: Thu, 07 Nov 2013 18:37:07 +0100
From: Gregory CLEMENT <gregory.clement@...e-electrons.com>
To: Jisheng Zhang <jszhang@...vell.com>, andrew@...n.ch,
jason@...edaemon.net, sebastian.hesselbarth@...il.com,
linux@....linux.org.uk
CC: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm: mvebu: fix some sparse warnings
Hi Jisheng,
On 07/11/2013 10:02, Jisheng Zhang wrote:
> This patch fixes conflicting types for 'set_cpu_coherent' and fixes the
> following sparse warnings.
>
> arch/arm/mach-mvebu/system-controller.c:42:38:
> warning: symbol 'armada_370_xp_system_controller' was not declared. Should it be static?
> arch/arm/mach-mvebu/system-controller.c:49:38:
> warning: symbol 'orion_system_controller' was not declared. Should it be static?
> arch/arm/mach-mvebu/system-controller.c:67:6:
> warning: symbol 'mvebu_restart' was not declared. Should it be static?
> arch/arm/mach-mvebu/coherency.c:31:15:
> warning: symbol 'coherency_phys_base' was not declared. Should it be static?
> arch/arm/mach-mvebu/coherency.c:48:5:
> warning: symbol 'set_cpu_coherent' was not declared. Should it be static?
> arch/arm/mach-mvebu/coherency.c:123:12:
> warning: symbol 'coherency_init' was not declared. Should it be static?
> arch/arm/mach-mvebu/pmsu.c:38:5: warning:
> symbol 'armada_xp_boot_cpu' was not declared. Should it be static?
> arch/arm/mach-mvebu/pmsu.c:61:12: warning:
> symbol 'armada_370_xp_pmsu_init' was not declared. Should it be static?
> arch/arm/mach-mvebu/platsmp.c:49:13: warning:
> symbol 'set_secondary_cpus_clock' was not declared. Should it be static?
> arch/arm/mach-mvebu/platsmp.c:97:13: warning:
> symbol 'armada_xp_smp_prepare_cpus' was not declared. Should it be static?
> arch/arm/mach-mvebu/hotplug.c:24:12: warning:
> symbol 'armada_xp_cpu_die' was not declared. Should it be static?
>
> Signed-off-by: Jisheng Zhang <jszhang@...vell.com>
There will be some conflicts with my CPU Idle series. I will see how to handle
it with Jason.As all these change are fine:
Acked-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
Thanks,
Gregory
> ---
> arch/arm/mach-mvebu/coherency.c | 1 +
> arch/arm/mach-mvebu/coherency.h | 4 +++-
> arch/arm/mach-mvebu/common.h | 1 -
> arch/arm/mach-mvebu/hotplug.c | 1 +
> arch/arm/mach-mvebu/platsmp.c | 4 ++--
> arch/arm/mach-mvebu/pmsu.c | 3 ++-
> arch/arm/mach-mvebu/system-controller.c | 5 +++--
> 7 files changed, 12 insertions(+), 7 deletions(-)
>
> diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
> index 58adf2f..4e9d581 100644
> --- a/arch/arm/mach-mvebu/coherency.c
> +++ b/arch/arm/mach-mvebu/coherency.c
> @@ -27,6 +27,7 @@
> #include <asm/smp_plat.h>
> #include <asm/cacheflush.h>
> #include "armada-370-xp.h"
> +#include "coherency.h"
>
> unsigned long coherency_phys_base;
> static void __iomem *coherency_base;
> diff --git a/arch/arm/mach-mvebu/coherency.h b/arch/arm/mach-mvebu/coherency.h
> index df33ad8..760226c 100644
> --- a/arch/arm/mach-mvebu/coherency.h
> +++ b/arch/arm/mach-mvebu/coherency.h
> @@ -14,7 +14,9 @@
> #ifndef __MACH_370_XP_COHERENCY_H
> #define __MACH_370_XP_COHERENCY_H
>
> -int set_cpu_coherent(int cpu_id, int smp_group_id);
> +extern unsigned long coherency_phys_base;
> +
> +int set_cpu_coherent(unsigned int cpu_id, int smp_group_id);
> int coherency_init(void);
>
> #endif /* __MACH_370_XP_COHERENCY_H */
> diff --git a/arch/arm/mach-mvebu/common.h b/arch/arm/mach-mvebu/common.h
> index e366010..0e6016f 100644
> --- a/arch/arm/mach-mvebu/common.h
> +++ b/arch/arm/mach-mvebu/common.h
> @@ -26,7 +26,6 @@ void armada_370_xp_handle_irq(struct pt_regs *regs);
>
> void armada_xp_cpu_die(unsigned int cpu);
> int armada_370_xp_coherency_init(void);
> -int armada_370_xp_pmsu_init(void);
> void armada_xp_secondary_startup(void);
> extern struct smp_operations armada_xp_smp_ops;
> #endif
> diff --git a/arch/arm/mach-mvebu/hotplug.c b/arch/arm/mach-mvebu/hotplug.c
> index b228b6a..d95e910 100644
> --- a/arch/arm/mach-mvebu/hotplug.c
> +++ b/arch/arm/mach-mvebu/hotplug.c
> @@ -15,6 +15,7 @@
> #include <linux/errno.h>
> #include <linux/smp.h>
> #include <asm/proc-fns.h>
> +#include "common.h"
>
> /*
> * platform-specific code to shutdown a CPU
> diff --git a/arch/arm/mach-mvebu/platsmp.c b/arch/arm/mach-mvebu/platsmp.c
> index ff69c2d..a6da03f 100644
> --- a/arch/arm/mach-mvebu/platsmp.c
> +++ b/arch/arm/mach-mvebu/platsmp.c
> @@ -46,7 +46,7 @@ static struct clk *__init get_cpu_clk(int cpu)
> return cpu_clk;
> }
>
> -void __init set_secondary_cpus_clock(void)
> +static void __init set_secondary_cpus_clock(void)
> {
> int thiscpu, cpu;
> unsigned long rate;
> @@ -94,7 +94,7 @@ static void __init armada_xp_smp_init_cpus(void)
> set_smp_cross_call(armada_mpic_send_doorbell);
> }
>
> -void __init armada_xp_smp_prepare_cpus(unsigned int max_cpus)
> +static void __init armada_xp_smp_prepare_cpus(unsigned int max_cpus)
> {
> struct device_node *node;
> struct resource res;
> diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
> index 27fc4f0..d71ef53 100644
> --- a/arch/arm/mach-mvebu/pmsu.c
> +++ b/arch/arm/mach-mvebu/pmsu.c
> @@ -22,6 +22,7 @@
> #include <linux/io.h>
> #include <linux/smp.h>
> #include <asm/smp_plat.h>
> +#include "pmsu.h"
>
> static void __iomem *pmsu_mp_base;
> static void __iomem *pmsu_reset_base;
> @@ -58,7 +59,7 @@ int armada_xp_boot_cpu(unsigned int cpu_id, void *boot_addr)
> }
> #endif
>
> -int __init armada_370_xp_pmsu_init(void)
> +static int __init armada_370_xp_pmsu_init(void)
> {
> struct device_node *np;
>
> diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c
> index 5175083c..a7fb89a 100644
> --- a/arch/arm/mach-mvebu/system-controller.c
> +++ b/arch/arm/mach-mvebu/system-controller.c
> @@ -27,6 +27,7 @@
> #include <linux/of_address.h>
> #include <linux/io.h>
> #include <linux/reboot.h>
> +#include "common.h"
>
> static void __iomem *system_controller_base;
>
> @@ -39,14 +40,14 @@ struct mvebu_system_controller {
> };
> static struct mvebu_system_controller *mvebu_sc;
>
> -const struct mvebu_system_controller armada_370_xp_system_controller = {
> +static const struct mvebu_system_controller armada_370_xp_system_controller = {
> .rstoutn_mask_offset = 0x60,
> .system_soft_reset_offset = 0x64,
> .rstoutn_mask_reset_out_en = 0x1,
> .system_soft_reset = 0x1,
> };
>
> -const struct mvebu_system_controller orion_system_controller = {
> +static const struct mvebu_system_controller orion_system_controller = {
> .rstoutn_mask_offset = 0x108,
> .system_soft_reset_offset = 0x10c,
> .rstoutn_mask_reset_out_en = 0x4,
>
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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