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authorDominik Brodowski <linux@dominikbrodowski.net>2018-01-30 06:42:37 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-02-08 10:21:39 +0100
commitffd81dcfef85a33729f90e4acd2f61a68e56b993 (patch)
tree4160debd7778d436e027edf810e438266953dc11 /drivers/sh
parent70f6bf2a3b7e40c3f802b0ea837762a8bc6c1430 (diff)
downloadlinux-ffd81dcfef85a33729f90e4acd2f61a68e56b993.tar.gz
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/sh')
-rw-r--r--drivers/sh/clk/core.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c
index 92863e3818e5..9475353f49d6 100644
--- a/drivers/sh/clk/core.c
+++ b/drivers/sh/clk/core.c
@@ -197,10 +197,11 @@ int clk_rate_table_find(struct clk *clk,
unsigned long rate)
{
struct cpufreq_frequency_table *pos;
+ int idx;
- cpufreq_for_each_valid_entry(pos, freq_table)
+ cpufreq_for_each_valid_entry_idx(pos, freq_table, idx)
if (pos->frequency == rate)
- return pos - freq_table;
+ return idx;
return -ENOENT;
}