X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fdelay.h;h=868456a624d8bce039e573353ae21550bbbf2b46;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=f5610919dc3e17b09a408fba11a4fd25e1a2143b;hpb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;p=linux-2.6.git diff --git a/include/linux/delay.h b/include/linux/delay.h index f5610919d..868456a62 100644 --- a/include/linux/delay.h +++ b/include/linux/delay.h @@ -10,7 +10,7 @@ extern unsigned long loops_per_jiffy; #include - +#include /* * Using udelay() for intervals greater than a few milliseconds can * risk overflow for high loops_per_jiffy (high bogomips) machines. The @@ -25,19 +25,25 @@ extern unsigned long loops_per_jiffy; #define MAX_UDELAY_MS 5 #endif -#ifdef notdef -#define mdelay(n) (\ - {unsigned long __ms=(n); while (__ms--) udelay(1000);}) -#else -#define mdelay(n) (\ - (__builtin_constant_p(n) && (n)<=MAX_UDELAY_MS) ? udelay((n)*1000) : \ - ({unsigned long __ms=(n); while (__ms--) udelay(1000);})) -#endif +#define mdelay(n) ( \ + { \ + static int warned=0; \ + unsigned long __ms=(n); \ + WARN_ON(in_irq() && !(warned++)); \ + while (__ms--) udelay(1000); \ + }) #ifndef ndelay #define ndelay(x) udelay(((x)+999)/1000) #endif +void calibrate_delay(void); void msleep(unsigned int msecs); +unsigned long msleep_interruptible(unsigned int msecs); + +static inline void ssleep(unsigned int seconds) +{ + msleep(seconds * 1000); +} #endif /* defined(_LINUX_DELAY_H) */