From 212bbdea54b079efd04437f79c87e35b088398c5 Mon Sep 17 00:00:00 2001 From: entropy Date: Wed, 13 Sep 2006 20:07:59 +0000 Subject: [lcd4linux @ 2006-09-13 20:07:59 by entropy] Fixing bug #1494773 (compiles only on i368/amd64 machines) by providing a dummy implementation for other archs git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@712 3ae390bd-cb1e-0410-b409-cd5a39f66f1f --- udelay.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'udelay.h') diff --git a/udelay.h b/udelay.h index aa26950..aa6a78b 100644 --- a/udelay.h +++ b/udelay.h @@ -1,4 +1,4 @@ -/* $Id: udelay.h,v 1.11 2005/12/12 09:08:08 reinelt Exp $ +/* $Id: udelay.h,v 1.12 2006/09/13 20:07:59 entropy Exp $ * * short delays * @@ -23,6 +23,9 @@ * * * $Log: udelay.h,v $ + * Revision 1.12 2006/09/13 20:07:59 entropy + * Fixing bug #1494773 (compiles only on i368/amd64 machines) by providing a dummy implementation for other archs + * * Revision 1.11 2005/12/12 09:08:08 reinelt * finally removed old udelay code path; read timing values from config * @@ -79,7 +82,14 @@ /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ static inline void rep_nop(void) { +# if defined(__i386) || defined(__i386__) || defined(__AMD64__) || defined(__x86_64__) || defined(__amd64__) + /* intel or amd64 arch, the "rep" and "nop" opcodes are available */ __asm__ __volatile__("rep; nop"); +# else + /* other Arch, maybe add core cooldown code here, too. */ + do { + } while (0); +# endif } void udelay_init(void); -- cgit v1.2.3