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cpufreq: sc520_freq: add 'fallthrough' to one case

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Quieten an implicit-fallthrough warning in sc520_freq.c:

../drivers/cpufreq/sc520_freq.c: In function 'sc520_freq_get_cpu_frequency':
../include/linux/printk.h:343:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
../drivers/cpufreq/sc520_freq.c:43:3: note: in expansion of macro 'pr_err'
   pr_err("error: cpuctl register has unexpected value %02x\n",
../drivers/cpufreq/sc520_freq.c:45:2: note: here
  case 0x01:

Fixes: bf6fc9fd2d ("[CPUFREQ] AMD Elan SC520 cpufreq driver.")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Randy Dunlap 2021-05-03 09:18:40 -07:00 committed by Rafael J. Wysocki
parent 706c532885
commit 9ff6774b97
1 changed files with 1 additions and 0 deletions
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drivers/cpufreq/sc520_freq.c
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@ -42,6 +42,7 @@ static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu)
default: default:
pr_err("error: cpuctl register has unexpected value %02x\n", pr_err("error: cpuctl register has unexpected value %02x\n",
clockspeed_reg); clockspeed_reg);
fallthrough;
case 0x01: case 0x01:
return 100000; return 100000;
case 0x02: case 0x02: