Re: [PATCH 26/60] microblaze_v4: time support

[Thomas Gleixner]

On Thu, 26 Jun 2008, [EMAIL PROTECTED] wrote:
 +
 +static inline void udelay(unsigned long usec)
 +{
 +}

shouldnt this function be named zerodelay() ?

Thanks,
tglx



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Re: [PATCH 26/60] microblaze_v4: time support

[Michal Simek]

 +
 +static inline void udelay(unsigned long usec)
 +{
 +}

shouldnt this function be named zerodelay() ?

Thanks,
   tglx

I have prepared implementation of this function which sent me JW.
I did some changes which I test it because I found problem there. 

M





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[PATCH 26/60] microblaze_v4: time support

[monstr]

From: Michal Simek [EMAIL PROTECTED]


Signed-off-by: Michal Simek [EMAIL PROTECTED]
---
 include/asm-microblaze/delay.h |   30 ++
 include/asm-microblaze/timex.h |   18 ++
 2 files changed, 48 insertions(+), 0 deletions(-)
 create mode 100644 include/asm-microblaze/delay.h
 create mode 100644 include/asm-microblaze/timex.h

diff --git a/include/asm-microblaze/delay.h b/include/asm-microblaze/delay.h
new file mode 100644
index 000..cdafdad
--- /dev/null
+++ b/include/asm-microblaze/delay.h
@@ -0,0 +1,30 @@
+/*
+ * include/asm-microblaze/delay.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_MICROBLAZE_DELAY_H
+#define _ASM_MICROBLAZE_DELAY_H
+
+extern unsigned long loops_per_jiffy;
+
+extern inline void __delay(unsigned long loops)
+{
+   asm volatile (# __delay\n\t   \
+   1: addi%0, %0, -1 \t\n\
+   bneid  %0, 1b  \t\n   \
+   nop\t\n
+   : =r (loops)
+   : 0 (loops));
+}
+
+static inline void udelay(unsigned long usec)
+{
+}
+
+#endif /* _ASM_MICROBLAZE_DELAY_H */
diff --git a/include/asm-microblaze/timex.h b/include/asm-microblaze/timex.h
new file mode 100644
index 000..678525d
--- /dev/null
+++ b/include/asm-microblaze/timex.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_TIMEX_H
+#define _ASM_MICROBLAZE_TIMEX_H
+
+#define CLOCK_TICK_RATE 1000 /* Timer input freq. */
+
+typedef unsigned long cycles_t;
+
+#define get_cycles()   (0)
+
+#endif /* _ASM_TIMEX_H */
-- 
1.5.4.GIT

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