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powercap: intel_rapl: Simplify rapl_compute_time_window_atom()

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Restructure to use early return for to_raw case, eliminating
redundant assignments and clarifying conversion paths.

No functional changes.

Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://patch.msgid.link/20260212233044.329790-5-sathyanarayanan.kuppuswamy@linux.intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Kuppuswamy Sathyanarayanan
2026-02-12 15:30:36 -08:00
committed by Rafael J. Wysocki
parent c64e89ba9f
commit 637bf7404e
1 changed files with 4 additions and 6 deletions
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10
drivers/powercap/intel_rapl_common.c
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@@ -1145,16 +1145,14 @@ static u64 rapl_compute_time_window_core(struct rapl_domain *rd, u64 value,
static u64 rapl_compute_time_window_atom(struct rapl_domain *rd, u64 value,
bool to_raw)
{
if (to_raw)
return div64_u64(value, rd->time_unit);
/*
* Atom time unit encoding is straight forward val * time_unit,
* where time_unit is default to 1 sec. Never 0.
*/
if (!to_raw)
return (value) ? value * rd->time_unit : rd->time_unit;
value = div64_u64(value, rd->time_unit);
return value;
return (value) ? value * rd->time_unit : rd->time_unit;
}
static int rapl_check_unit_tpmi(struct rapl_domain *rd)