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DateWed, 28 Sep 2005 09:12:16 +0200 (MEST)
FromClemens Ladisch <>
Subject[PATCH 3/7] HPET: allow non-power-of-two frequencies
It was only the RTC hardware that restricted interrupt frequencies to a
power of two. There is no reason to take over this restriction into the
HPET driver, so remove the offending check.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

Index: linux-2.6.13/drivers/char/hpet.c
===================================================================
--- linux-2.6.13.orig/drivers/char/hpet.c 2005-09-27 21:44:11.000000000 +0200
+++ linux-2.6.13/drivers/char/hpet.c 2005-09-27 21:45:12.000000000 +0200
@@ -519,7 +519,7 @@ hpet_ioctl_common(struct hpet_dev *devp,
break;
}

- if (!arg || (arg & (arg - 1))) {
+ if (!arg) {
err = -EINVAL;
break;
}
-
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