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units: Add HZ_PER_GHZ

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The 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: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260112134900.4142954-2-andriy.shevchenko@linux.intel.com
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Andy Shevchenko 2026-01-12 14:46:09 +01:00 committed by Andi Shyti
parent e2370b8b2c
commit 5083dba0fd
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3
include/linux/units.h
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@ -25,9 +25,12 @@
#define MICROHZ_PER_HZ 1000000UL
#define MILLIHZ_PER_HZ 1000UL
/* Hz based multipliers */
#define HZ_PER_KHZ 1000UL
#define HZ_PER_MHZ 1000000UL
#define HZ_PER_GHZ 1000000000UL
/* kHz based multipliers */
#define KHZ_PER_MHZ 1000UL
#define KHZ_PER_GHZ 1000000UL