diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/parisc/include/asm/delay.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/parisc/include/asm/delay.h')
| -rw-r--r-- | kernel/arch/parisc/include/asm/delay.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/kernel/arch/parisc/include/asm/delay.h b/kernel/arch/parisc/include/asm/delay.h new file mode 100644 index 000000000..08e58e679 --- /dev/null +++ b/kernel/arch/parisc/include/asm/delay.h @@ -0,0 +1,22 @@ +#ifndef _ASM_PARISC_DELAY_H +#define _ASM_PARISC_DELAY_H + +static __inline__ void __delay(unsigned long loops) { + asm volatile( + " .balignl 64,0x34000034\n" + " addib,UV -1,%0,.\n" + " nop\n" + : "=r" (loops) : "0" (loops)); +} + +extern void __udelay(unsigned long usecs); +extern void __udelay_bad(unsigned long usecs); + +static inline void udelay(unsigned long usecs) +{ + if (__builtin_constant_p(usecs) && (usecs) > 20000) + __udelay_bad(usecs); + __udelay(usecs); +} + +#endif /* _ASM_PARISC_DELAY_H */ |