linux-kernel - [PATCH] cpufreq/intel_pstate: remove cpudata::prev_cummulative

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Date: Tue, 13 Feb 2024 12:16:00 +0100
From: "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To: rafael@...nel.org
Cc: linux-kernel@...r.kernel.org,
	"Jiri Slaby (SUSE)" <jirislaby@...nel.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Len Brown <lenb@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	linux-pm@...r.kernel.org
Subject: [PATCH] cpufreq/intel_pstate: remove cpudata::prev_cummulative_iowait

Commit 09c448d3c61f (cpufreq: intel_pstate: Use IOWAIT flag in Atom
algorithm) removed the last user of cpudata::prev_cummulative_iowait. So
remove the member too.

Found by https://github.com/jirislaby/clang-struct.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@...nel.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc: Len Brown <lenb@...nel.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Viresh Kumar <viresh.kumar@...aro.org>
Cc: linux-pm@...r.kernel.org
---
 drivers/cpufreq/intel_pstate.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index ca94e60e705a..5ad3542c0e1e 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -201,8 +201,6 @@ struct global_params {
  * @prev_aperf:		Last APERF value read from APERF MSR
  * @prev_mperf:		Last MPERF value read from MPERF MSR
  * @prev_tsc:		Last timestamp counter (TSC) value
- * @prev_cummulative_iowait: IO Wait time difference from last and
- *			current sample
  * @sample:		Storage for storing last Sample data
  * @min_perf_ratio:	Minimum capacity in terms of PERF or HWP ratios
  * @max_perf_ratio:	Maximum capacity in terms of PERF or HWP ratios
@@ -241,7 +239,6 @@ struct cpudata {
 	u64	prev_aperf;
 	u64	prev_mperf;
 	u64	prev_tsc;
-	u64	prev_cummulative_iowait;
 	struct sample sample;
 	int32_t	min_perf_ratio;
 	int32_t	max_perf_ratio;
-- 
2.43.1