Merge branch 'score' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic into for-linus

* 'score' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  score: clean up mm/init.c
  score: make irq.h definitions local
  score: cleanups: dead code, 0 as pointer, shadowed variables
  score: fix function prototypes
  score: add address space annotations
  score: add missing #includes
  score: move save arg5 and arg6 instruction in front of enable_irq
  score: add prototypes for wrapped syscalls
  score: remove init_mm
  score: add generic sys_call_table
  score: remove __{put,get}_user_unknown
  score: unset __ARCH_WANT_IPC_PARSE_VERSION
  score: update files according to review comments
  score: add maintainers for score architecture
  score: Add support for Sunplus S+core architecture

1 files changed, 26 insertions, 0 deletions

diff --git a/arch/score/include/asm/delay.h b/arch/score/include/asm/delay.h
new file mode 100644
index 00000000000..6726ec199dc
--- /dev/null
+++ b/arch/score/include/asm/delay.h
@@ -0,0 +1,26 @@
+#ifndef _ASM_SCORE_DELAY_H
+#define _ASM_SCORE_DELAY_H
+
+static inline void __delay(unsigned long loops)
+{
+	/* 3 cycles per loop. */
+	__asm__ __volatile__ (
+		"1:\tsubi\t%0, 3\n\t"
+		"cmpz.c\t%0\n\t"
+		"ble\t1b\n\t"
+		: "=r" (loops)
+		: "0" (loops));
+}
+
+static inline void __udelay(unsigned long usecs)
+{
+	unsigned long loops_per_usec;
+
+	loops_per_usec = (loops_per_jiffy * HZ) / 1000000;
+
+	__delay(usecs * loops_per_usec);
+}
+
+#define udelay(usecs) __udelay(usecs)
+
+#endif /* _ASM_SCORE_DELAY_H */