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@xxxxxxxxxx> 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
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