Messages in this thread |  | | From | Andrzej Krzysztofowicz <> | Subject | Re: [PATCH] VIA timer fix was removed? | Date | Mon, 12 Nov 2001 15:48:24 +0100 (CET) |
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> The following patch (introduced by Vojtech Pavlik some time ago) was > removed somewhere between 2.4.14 and 2.4.15-pre3. > Without it, the timer counter is reset to a wrong value and > gettimeofday() starts to return strange values > > Nothing aboutit is mentioned in the changelog, so I suppose it wasn't > supposed to be removed?
Maybe, it happens because somebody forgot to comment why this code is necessary here ? Just a guess...
> --- linux-2.4.15-pre3/arch/i386/kernel/time.c Sun Nov 11 21:33:31 2001 > +++ linux-2.4.15-pre3-new/arch/i386/kernel/time.c Mon Nov 12 10:45:57 2001 > @@ -501,6 +501,14 @@ > > count = inb_p(0x40); /* read the latched count */ > count |= inb(0x40) << 8; > + > + if (count > LATCH-1) { > + outb_p(0x34, 0x43); > + outb_p(LATCH & 0xff, 0x40); > + outb(LATCH >> 8, 0x40); > + count = LATCH - 1; > + } > + > spin_unlock(&i8253_lock);
-- ======================================================================= Andrzej M. Krzysztofowicz ankry@mif.pg.gda.pl phone (48)(58) 347 14 61 Faculty of Applied Phys. & Math., Technical University of Gdansk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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