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SubjectRe: [PATCH 19/19] powerpc/tau: Synchronize function prototypes and body
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Le 22/03/2018 à 21:20, Mathieu Malaterre a écrit :
> Some function prototypes and body for Thermal Assist Units were not in
> sync. Update the function definition to match the existing function
> declaration found in `setup-common.c`, changing an `int` return type to a
> `u32` return type. Move the prototypes to a header file. Fix the following
> warnings, treated as error with W=1:
>
> arch/powerpc/kernel/tau_6xx.c:257:5: error: no previous prototype for ‘cpu_temp_both’ [-Werror=missing-prototypes]
> arch/powerpc/kernel/tau_6xx.c:262:5: error: no previous prototype for ‘cpu_temp’ [-Werror=missing-prototypes]
> arch/powerpc/kernel/tau_6xx.c:267:5: error: no previous prototype for ‘tau_interrupts’ [-Werror=missing-prototypes]
>
> Compile tested with CONFIG_TAU_INT.
>
> Signed-off-by: Mathieu Malaterre <malat@debian.org>
> ---
> arch/powerpc/kernel/irq.c | 2 +-
> arch/powerpc/kernel/setup-common.c | 6 ------
> arch/powerpc/kernel/setup.h | 6 ++++++
> arch/powerpc/kernel/tau_6xx.c | 7 +++++--
> 4 files changed, 12 insertions(+), 9 deletions(-)
>
> diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
> index f88038847790..3777b6e09142 100644
> --- a/arch/powerpc/kernel/irq.c
> +++ b/arch/powerpc/kernel/irq.c
> @@ -89,7 +89,7 @@ atomic_t ppc_n_lost_interrupts;
>
> #ifdef CONFIG_TAU_INT
> extern int tau_initialized;
> -extern int tau_interrupts(int);
> +extern u32 tau_interrupts(unsigned long cpu);
> #endif
> #endif /* CONFIG_PPC32 */
>
> diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
> index d73ec518ef80..bd3675c3984b 100644
> --- a/arch/powerpc/kernel/setup-common.c
> +++ b/arch/powerpc/kernel/setup-common.c
> @@ -192,12 +192,6 @@ void machine_halt(void)
> machine_hang();
> }
>
> -
> -#ifdef CONFIG_TAU
> -extern u32 cpu_temp(unsigned long cpu);
> -extern u32 cpu_temp_both(unsigned long cpu);
> -#endif /* CONFIG_TAU */
> -
> #ifdef CONFIG_SMP
> DEFINE_PER_CPU(unsigned int, cpu_pvr);
> #endif
> diff --git a/arch/powerpc/kernel/setup.h b/arch/powerpc/kernel/setup.h
> index d768023a04bd..3c9c19430439 100644
> --- a/arch/powerpc/kernel/setup.h
> +++ b/arch/powerpc/kernel/setup.h
> @@ -70,4 +70,10 @@ void kvm_cma_reserve(void);
> static inline void kvm_cma_reserve(void) { };
> #endif
>
> +#ifdef CONFIG_TAU
> +extern u32 cpu_temp(unsigned long cpu);
> +extern u32 cpu_temp_both(unsigned long cpu);
> +extern u32 tau_interrupts(unsigned long cpu);

extern keyword is not needed


Christophe

> +#endif /* CONFIG_TAU */
> +
> #endif /* __ARCH_POWERPC_KERNEL_SETUP_H */
> diff --git a/arch/powerpc/kernel/tau_6xx.c b/arch/powerpc/kernel/tau_6xx.c
> index 1fc6a89a978e..e2ab8a111b69 100644
> --- a/arch/powerpc/kernel/tau_6xx.c
> +++ b/arch/powerpc/kernel/tau_6xx.c
> @@ -27,6 +27,9 @@
> #include <asm/cache.h>
> #include <asm/8xx_immap.h>
> #include <asm/machdep.h>
> +#include <asm/asm-prototypes.h>
> +
> +#include "setup.h"
>
> static struct tau_temp
> {
> @@ -259,12 +262,12 @@ u32 cpu_temp_both(unsigned long cpu)
> return ((tau[cpu].high << 16) | tau[cpu].low);
> }
>
> -int cpu_temp(unsigned long cpu)
> +u32 cpu_temp(unsigned long cpu)
> {
> return ((tau[cpu].high + tau[cpu].low) / 2);
> }
>
> -int tau_interrupts(unsigned long cpu)
> +u32 tau_interrupts(unsigned long cpu)
> {
> return (tau[cpu].interrupts);
> }
>

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