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From: Bernd Walter <ticso@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
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Subject: PERFORCE change 111741 for review
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http://perforce.freebsd.org/chv.cgi?CH=111741

Change 111741 by ticso@ticso on 2006/12/15 14:54:52

	Use the next possible value for hz instead of defaulting to 128
	Update tick value after modifying hz.

Affected files ...

.. //depot/projects/arm/src/sys/arm/at91/at91_st.c#15 edit

Differences ...

==== //depot/projects/arm/src/sys/arm/at91/at91_st.c#15 (text+ko) ====

@@ -201,11 +201,14 @@
 	void *ih;
 	device_t dev = timer_softc->sc_dev;
 
+	rel_value = 32768 / hz;
+	if (rel_value < 1)
+		rel_value = 1;
 	if (32768 % hz) {
-		printf("Cannot get %d Hz clock; using 128Hz\n", hz);
-		hz = 128;
+		printf("Cannot get %d Hz clock; using %dHz\n", hz, 32768 / rel_value);
+		hz = 32768 / rel_value;
+		tick = 1000000 / hz;
 	}
-	rel_value = 32768 / hz;
 	/* Disable all interrupts. */
 	WR4(ST_IDR, 0xffffffff);
 	/* The system timer shares the system irq (1) */