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Generic udelay() with watchdog support

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According to the PPC reference implementation the udelay() function is
responsible for resetting the watchdog timer as frequently as needed.
Most other architectures do not meet that requirement, so long-running
operations might result in a watchdog reset.

This patch adds a generic udelay() function which takes care of
resetting the watchdog before calling an architecture-specific
__udelay().

Signed-off-by: Ingo van Lil <inguin@gmx.de>
This commit is contained in:
Ingo van Lil 2009-11-24 14:09:21 +01:00 • committed by Wolfgang Denk
parent 1c409bc710
commit 3eb90bad65
47 changed files with 98 additions and 62 deletions
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2
examples/api/libgenwrap.c
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@ -74,7 +74,7 @@ void putc (const char c)
ub_putc(c);
}
void udelay(unsigned long usec)
void __udelay(unsigned long usec)
{
ub_udelay(usec);
}