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x86 msr-index: Simplify syntax for HWP fields

syntax only, no functional change

Signed-off-by: Len Brown <len.brown@intel.com>
Len Brown 9 年之前
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670e27d809
共有 1 個文件被更改,包括 4 次插入4 次删除
  1. 4 4
      arch/x86/include/asm/msr-index.h

+ 4 - 4
arch/x86/include/asm/msr-index.h

@@ -230,10 +230,10 @@
 #define HWP_PACKAGE_LEVEL_REQUEST_BIT	(1<<11)
 
 /* IA32_HWP_CAPABILITIES */
-#define HWP_HIGHEST_PERF(x)		(x & 0xff)
-#define HWP_GUARANTEED_PERF(x)		((x & (0xff << 8)) >>8)
-#define HWP_MOSTEFFICIENT_PERF(x)	((x & (0xff << 16)) >>16)
-#define HWP_LOWEST_PERF(x)		((x & (0xff << 24)) >>24)
+#define HWP_HIGHEST_PERF(x)		(((x) >> 0) & 0xff)
+#define HWP_GUARANTEED_PERF(x)		(((x) >> 8) & 0xff)
+#define HWP_MOSTEFFICIENT_PERF(x)	(((x) >> 16) & 0xff)
+#define HWP_LOWEST_PERF(x)		(((x) >> 24) & 0xff)
 
 /* IA32_HWP_REQUEST */
 #define HWP_MIN_PERF(x) 		(x & 0xff)