cpufreq: Simplify the cpufreq_for_each_valid_entry()

That macro uses an internal static inline function that is first
totally unnecessary and second hard to read, so simplify it and
get rid of that monster.

No functional changes.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

include/linux/cpufreq.h

@@ -504,16 +504,6 @@ static inline void dev_pm_opp_free_cpufreq_table(struct device *dev,
 }
 #endif
 
-static inline bool cpufreq_next_valid(struct cpufreq_frequency_table **pos)
-{
-	while ((*pos)->frequency != CPUFREQ_TABLE_END)
-		if ((*pos)->frequency != CPUFREQ_ENTRY_INVALID)
-			return true;
-		else
-			(*pos)++;
-	return false;
-}
-
 /*
  * cpufreq_for_each_entry -	iterate over a cpufreq_frequency_table
  * @pos:	the cpufreq_frequency_table * to use as a loop cursor.
@@ -531,7 +521,10 @@ static inline bool cpufreq_next_valid(struct cpufreq_frequency_table **pos)
  */
 
 #define cpufreq_for_each_valid_entry(pos, table)			\
-	for (pos = table; cpufreq_next_valid(&pos); pos++)
+	for (pos = table; pos->frequency != CPUFREQ_TABLE_END; pos++)	\
+		if (pos->frequency == CPUFREQ_ENTRY_INVALID)		\
+			continue;					\
+		else
 
 int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
 				    struct cpufreq_frequency_table *table);