lkml.org 
[lkml]   [2003]   [Feb]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
SubjectPATCH: ndelay resend
Date
From
Dunno where it went before. The implementation is not ideal. Thats something
to tidy up.

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.61/arch/i386/kernel/i386_ksyms.c linux-2.5.61-ac2/arch/i386/kernel/i386_ksyms.c
--- linux-2.5.61/arch/i386/kernel/i386_ksyms.c 2003-02-10 18:39:01.000000000 +0000
+++ linux-2.5.61-ac2/arch/i386/kernel/i386_ksyms.c 2003-02-18 14:41:51.000000000 +0000
@@ -104,6 +104,7 @@
/* Networking helper routines. */
EXPORT_SYMBOL(csum_partial_copy_generic);
/* Delay loops */
+EXPORT_SYMBOL(__ndelay);
EXPORT_SYMBOL(__udelay);
EXPORT_SYMBOL(__delay);
EXPORT_SYMBOL(__const_udelay);
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.61/arch/i386/lib/delay.c linux-2.5.61-ac2/arch/i386/lib/delay.c
--- linux-2.5.61/arch/i386/lib/delay.c 2003-02-10 18:38:53.000000000 +0000
+++ linux-2.5.61-ac2/arch/i386/lib/delay.c 2003-02-18 14:41:35.000000000 +0000
@@ -41,3 +41,8 @@
{
__const_udelay(usecs * 0x000010c6); /* 2**32 / 1000000 */
}
+
+void __ndelay(unsigned long nsecs)
+{
+ __const_udelay(nsecs * 0x00005); /* 2**32 / 1000000000 (rounded up) */
+}
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.61/include/asm-i386/delay.h linux-2.5.61-ac2/include/asm-i386/delay.h
--- linux-2.5.61/include/asm-i386/delay.h 2003-02-10 18:37:54.000000000 +0000
+++ linux-2.5.61-ac2/include/asm-i386/delay.h 2003-02-18 14:40:31.000000000 +0000
@@ -8,13 +8,19 @@
*/

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 usecs);
extern void __delay(unsigned long loops);

#define udelay(n) (__builtin_constant_p(n) ? \
((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
__udelay(n))
+
+#define ndelay(n) (__builtin_constant_p(n) ? \
+ ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
+ __ndelay(n))

#endif /* defined(_I386_DELAY_H) */
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 13:33    [W:0.027 / U:0.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site