#ifndef __ASM_GENERIC_DELAY_H
#define __ASM_GENERIC_DELAY_H
/* Undefined functions to get compile-time errors */
extern void __bad_udelay(void);
extern void __bad_ndelay(void);
extern void __udelay(unsigned long usecs);
extern void __ndelay(unsigned long nsecs);
extern void __const_udelay(unsigned long xloops);
extern void __delay(unsigned long loops);
/*
* The weird n/20000 thing suppresses a "comparison is always false due to
* limited range of data type" warning with non-const 8-bit arguments.
*/
/* 0x10c7 is 2**32 / 1000000 (rounded up) */
#define udelay(n) \
({ \
if (__builtin_constant_p(n)) { \
if ((n) / 20000 >= 1) \
__bad_udelay(); \
else \
__const_udelay((n) * 0x10c7ul); \
} else { \
__udelay(n); \
} \
})
/* 0x5 is 2**32 / 1000000000 (rounded up) */
#define ndelay(n) \
({ \
if (__builtin_constant_p(n)) { \
if ((n) / 20000 >= 1) \
__bad_ndelay(); \
else \
__const_udelay((n) * 5ul); \
} else { \
__ndelay(n); \
} \
})
#endif /* __ASM_GENERIC_DELAY_H */
nup'>emaclite-cleanup
Merge tag 'usb-serial-4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.10-rc7
One more device ID for pl2303.
Signed-off-by: Johan Hovold <johan@kernel.org>