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microblaze: iowrite upon timeout
author
Roel Kluin
<roel.kluin@gmail.com>
Thu, 16 Apr 2009 20:49:17 +0000
(22:49 +0200)
committer
Michal Simek
<monstr@monstr.eu>
Thu, 23 Apr 2009 14:09:18 +0000
(16:09 +0200)
retries reaches -1, so the iowrite occurrs upon timeout.
Acked-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
arch/microblaze/kernel/early_printk.c
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diff --git
a/arch/microblaze/kernel/early_printk.c
b/arch/microblaze/kernel/early_printk.c
index
62cc789
..
4b0f0fd
100644
(file)
--- a/
arch/microblaze/kernel/early_printk.c
+++ b/
arch/microblaze/kernel/early_printk.c
@@
-36,7
+36,7
@@
static void early_printk_putc(char c)
unsigned retries = 10000;
/* read status bit - 0x8 offset */
- while (
retries--
&& (in_be32(base_addr + 8) & (1 << 3)))
+ while (
--retries
&& (in_be32(base_addr + 8) & (1 << 3)))
;
/* Only attempt the iowrite if we didn't timeout */