diff options
Diffstat (limited to 'libc/kernel/common/linux/delay.h')
-rw-r--r-- | libc/kernel/common/linux/delay.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libc/kernel/common/linux/delay.h b/libc/kernel/common/linux/delay.h new file mode 100644 index 0000000..e032b6f --- /dev/null +++ b/libc/kernel/common/linux/delay.h @@ -0,0 +1,29 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + **************************************************************************** + ****************************************************************************/ +#ifndef _LINUX_DELAY_H +#define _LINUX_DELAY_H + +#include <asm/delay.h> + +#ifndef MAX_UDELAY_MS +#define MAX_UDELAY_MS 5 +#endif + +#ifndef mdelay +#define mdelay(n) ( (__builtin_constant_p(n) && (n)<=MAX_UDELAY_MS) ? udelay((n)*1000) : ({unsigned long __ms=(n); while (__ms--) udelay(1000);})) +#endif + +#ifndef ndelay +#define ndelay(x) udelay(((x)+999)/1000) +#endif + +#endif |