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authorDominik Brodowski <linux@dominikbrodowski.net>2018-01-30 08:42:37 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-02-08 12:21:39 +0300
commitffd81dcfef85a33729f90e4acd2f61a68e56b993 (patch)
tree4160debd7778d436e027edf810e438266953dc11 /drivers/cpufreq/pasemi-cpufreq.c
parent70f6bf2a3b7e40c3f802b0ea837762a8bc6c1430 (diff)
downloadlinux-ffd81dcfef85a33729f90e4acd2f61a68e56b993.tar.xz
cpufreq: Add and use cpufreq_for_each_{valid_,}entry_idx()
Pointer subtraction is slow and tedious. Therefore, replace all instances where cpufreq_for_each_{valid_,}entry loops contained such substractions with an iteration macro providing an index to the frequency_table entry. Suggested-by: Al Viro <viro@ZenIV.linux.org.uk> Link: http://lkml.kernel.org/r/20180120020237.GM13338@ZenIV.linux.org.uk Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/pasemi-cpufreq.c')
-rw-r--r--drivers/cpufreq/pasemi-cpufreq.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c
index b257fc7d5204..75dfbd2a58ea 100644
--- a/drivers/cpufreq/pasemi-cpufreq.c
+++ b/drivers/cpufreq/pasemi-cpufreq.c
@@ -139,7 +139,7 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy)
struct cpufreq_frequency_table *pos;
const u32 *max_freqp;
u32 max_freq;
- int cur_astate;
+ int cur_astate, idx;
struct resource res;
struct device_node *cpu, *dn;
int err = -ENODEV;
@@ -198,9 +198,9 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy)
pr_debug("initializing frequency table\n");
/* initialize frequency table */
- cpufreq_for_each_entry(pos, pas_freqs) {
+ cpufreq_for_each_entry_idx(pos, pas_freqs, idx) {
pos->frequency = get_astate_freq(pos->driver_data) * 100000;
- pr_debug("%d: %d\n", (int)(pos - pas_freqs), pos->frequency);
+ pr_debug("%d: %d\n", idx, pos->frequency);
}
cur_astate = get_cur_astate(policy->cpu);