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[RFC,3/5] units: Add HZ_PER_GHZ

Message ID 20230630131304.64243-4-xin.zeng@intel.com (mailing list archive)
State RFC
Delegated to: Herbert Xu
Headers show
Series crypto: qat - enable SRIOV VF live migration | expand

Commit Message

Xin Zeng June 30, 2023, 1:13 p.m. UTC 
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

There is going to be a new user of the HZ_PER_GHZ definition besides
possibly existing ones. Add that one to the header.

While at it, split Hz and kHz groups of the multipliers for better
maintenance and readability.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Xin Zeng <xin.zeng@intel.com>
---
 include/linux/units.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/include/linux/units.h b/include/linux/units.h
index 2793a41e73a2..8d1dd5609906 100644
--- a/include/linux/units.h
+++ b/include/linux/units.h
@@ -20,12 +20,16 @@ 
 #define PICO	1000000000000ULL
 #define FEMTO	1000000000000000ULL
 
+/* Hz based multipliers */
 #define NANOHZ_PER_HZ		1000000000UL
 #define MICROHZ_PER_HZ		1000000UL
 #define MILLIHZ_PER_HZ		1000UL
 #define HZ_PER_KHZ		1000UL
-#define KHZ_PER_MHZ		1000UL
 #define HZ_PER_MHZ		1000000UL
+#define HZ_PER_GHZ		1000000000UL
+
+/* kHz based multipliers */
+#define KHZ_PER_MHZ		1000UL
 
 #define MILLIWATT_PER_WATT	1000UL
 #define MICROWATT_PER_MILLIWATT	1000UL