diff options
Diffstat (limited to 'init/calibrate.c')
| -rw-r--r-- | init/calibrate.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/init/calibrate.c b/init/calibrate.c index fda0a7b0f06c..520702db9acc 100644 --- a/init/calibrate.c +++ b/init/calibrate.c | |||
| @@ -31,7 +31,7 @@ __setup("lpj=", lpj_setup); | |||
| 31 | #define DELAY_CALIBRATION_TICKS ((HZ < 100) ? 1 : (HZ/100)) | 31 | #define DELAY_CALIBRATION_TICKS ((HZ < 100) ? 1 : (HZ/100)) |
| 32 | #define MAX_DIRECT_CALIBRATION_RETRIES 5 | 32 | #define MAX_DIRECT_CALIBRATION_RETRIES 5 |
| 33 | 33 | ||
| 34 | static unsigned long __cpuinit calibrate_delay_direct(void) | 34 | static unsigned long calibrate_delay_direct(void) |
| 35 | { | 35 | { |
| 36 | unsigned long pre_start, start, post_start; | 36 | unsigned long pre_start, start, post_start; |
| 37 | unsigned long pre_end, end, post_end; | 37 | unsigned long pre_end, end, post_end; |
| @@ -166,7 +166,10 @@ static unsigned long __cpuinit calibrate_delay_direct(void) | |||
| 166 | return 0; | 166 | return 0; |
| 167 | } | 167 | } |
| 168 | #else | 168 | #else |
| 169 | static unsigned long __cpuinit calibrate_delay_direct(void) {return 0;} | 169 | static unsigned long calibrate_delay_direct(void) |
| 170 | { | ||
| 171 | return 0; | ||
| 172 | } | ||
| 170 | #endif | 173 | #endif |
| 171 | 174 | ||
| 172 | /* | 175 | /* |
| @@ -180,7 +183,7 @@ static unsigned long __cpuinit calibrate_delay_direct(void) {return 0;} | |||
| 180 | */ | 183 | */ |
| 181 | #define LPS_PREC 8 | 184 | #define LPS_PREC 8 |
| 182 | 185 | ||
| 183 | static unsigned long __cpuinit calibrate_delay_converge(void) | 186 | static unsigned long calibrate_delay_converge(void) |
| 184 | { | 187 | { |
| 185 | /* First stage - slowly accelerate to find initial bounds */ | 188 | /* First stage - slowly accelerate to find initial bounds */ |
| 186 | unsigned long lpj, lpj_base, ticks, loopadd, loopadd_base, chop_limit; | 189 | unsigned long lpj, lpj_base, ticks, loopadd, loopadd_base, chop_limit; |
| @@ -254,12 +257,12 @@ static DEFINE_PER_CPU(unsigned long, cpu_loops_per_jiffy) = { 0 }; | |||
| 254 | * Architectures should override this function if a faster calibration | 257 | * Architectures should override this function if a faster calibration |
| 255 | * method is available. | 258 | * method is available. |
| 256 | */ | 259 | */ |
| 257 | unsigned long __attribute__((weak)) __cpuinit calibrate_delay_is_known(void) | 260 | unsigned long __attribute__((weak)) calibrate_delay_is_known(void) |
| 258 | { | 261 | { |
| 259 | return 0; | 262 | return 0; |
| 260 | } | 263 | } |
| 261 | 264 | ||
| 262 | void __cpuinit calibrate_delay(void) | 265 | void calibrate_delay(void) |
| 263 | { | 266 | { |
| 264 | unsigned long lpj; | 267 | unsigned long lpj; |
| 265 | static bool printed; | 268 | static bool printed; |
