The long list of if statements are replaced with corresponding
switch cases.
Signed-off-by: Sivaram Nair <sivaramn@xxxxxxxxxx>
---
arch/arm/mach-tegra/tegra30_clocks.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c
index d714777..753addd 100644
--- a/arch/arm/mach-tegra/tegra30_clocks.c
+++ b/arch/arm/mach-tegra/tegra30_clocks.c
@@ -444,21 +444,23 @@ static unsigned long clk_measure_input_freq(void)
clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET);
do {} while (clk_readl(OSC_FREQ_DET_STATUS) & OSC_FREQ_DET_BUSY);
clock_autodetect = clk_readl(OSC_FREQ_DET_STATUS);
- if (clock_autodetect >= 732 - 3 && clock_autodetect <= 732 + 3) {
+
+ switch (clock_autodetect) {
+ case (732 - 3)...(732 + 3):
return 12000000;
- } else if (clock_autodetect >= 794 - 3 && clock_autodetect <= 794 + 3) {
+ case (794 - 3)...(794 + 3):
return 13000000;
- } else if (clock_autodetect >= 1172 - 3 && clock_autodetect <= 1172 + 3) {
+ case (1172 - 3)...(1172 + 3):
return 19200000;
- } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) {
+ case (1587 - 3)...(1587 + 3):
return 26000000;
- } else if (clock_autodetect >= 1025 - 3 && clock_autodetect <= 1025 + 3) {
+ case (1025 - 3)...(1025 + 3):
return 16800000;
- } else if (clock_autodetect >= 2344 - 3 && clock_autodetect <= 2344 + 3) {
+ case (2344 - 3)...(2344 + 3):
return 38400000;
- } else if (clock_autodetect >= 2928 - 3 && clock_autodetect <= 2928 + 3) {
+ case (2928 - 3)...(2928 + 3):
return 48000000;
- } else {
+ default:
pr_err("%s: Unexpected clock autodetect value %d", __func__,
clock_autodetect);
BUG();
--
1.7.9.5
--
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