Re: [RFC part1 PATCH 4/7] ARM64 / ACPI: Introduce the skeleton of _PDC related for ARM64

On 2013年12月04日 01:12, Rob Herring wrote:

On Tue, Dec 3, 2013 at 10:36 AM, Hanjun Guo hanjun.guo@linaro.org wrote:

[...]

+#ifndef _ASM_ARM_ACPI_H +#define _ASM_ARM_ACPI_H

+static inline bool arch_has_acpi_pdc(void) +{

•   return false;   /* always false for now */
  

+}

+static inline void arch_acpi_set_pdc_bits(u32 *buf) +{

•   return;
  

+}

+#endif /*_ASM_ARM_ACPI_H*/ diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 45b20cd..73b1d3a 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -162,6 +162,17 @@ static inline void spin_lock_prefetch(const void *x)

#define HAVE_ARCH_PICK_MMAP_LAYOUT

+#ifdef CONFIG_ACPI The ifdef is not necessary.

Good catch, will fix it in next version.

Thanks for the comments.

Hanjun