[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 <[email protected]>

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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---

• References:
  • [PATCH 0/7] HPET fixes and enhancements
    • From: Clemens Ladisch <[email protected]>

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