sh: remove bogus highest / lowest logic from clock rate rounding

The use of highest and lowest in clk_rate_table_round() is completely bogus
and superfluous. Remove it.
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

drivers/sh/clk.c

@@ -73,22 +73,14 @@ long clk_rate_table_round(struct clk *clk,
 {
 	unsigned long rate_error, rate_error_prev = ~0UL;
 	unsigned long rate_best_fit = rate;
-	unsigned long highest, lowest;
 	int i;
 
-	highest = lowest = 0;
-
 	for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) {
 		unsigned long freq = freq_table[i].frequency;
 
 		if (freq == CPUFREQ_ENTRY_INVALID)
 			continue;
 
-		if (freq > highest)
-			highest = freq;
-		if (freq < lowest)
-			lowest = freq;
-
 		rate_error = abs(freq - rate);
 		if (rate_error < rate_error_prev) {
 			rate_best_fit = freq;
@@ -99,11 +91,6 @@ long clk_rate_table_round(struct clk *clk,
 			break;
 	}
 
-	if (rate >= highest)
-		rate_best_fit = highest;
-	if (rate <= lowest)
-		rate_best_fit = lowest;
-
 	return rate_best_fit;
 }