> > It is a bug in the driver.
>
> Please check again the code and point me the invalid
> udelay(). You will realise that there is no delay in the driver that
> is longer than 100ms.
The udelay limit is set a lot lower than 100mS. It has to be somewhat lower
otherwise you have to do two levels of loops which will throw small udelay
timings a fair whack.
> The bug is that udelay() can't be passed a variable but only a
> constant. Therefore bug in udelay().
Sounds like a compiler bug.
#define udelay(n) (__builtin_constant_p(n) ? \
((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \
__udelay(n))
non constants are covered.
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