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Date: Mon, 18 Jan 2010 18:14:55 +0100 From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com> To: linux-ide@...r.kernel.org Cc: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>, linux-kernel@...r.kernel.org Subject: [PATCH 08/64] pata_cmd64x: fix PIO setup From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com> Subject: [PATCH] pata_cmd64x: fix PIO setup Fix incorrect handling of recovery clocks value == 16 resulting in overclocked recovery timings & potentially underclocked active timings. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com> --- drivers/ata/pata_cmd64x.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) Index: b/drivers/ata/pata_cmd64x.c =================================================================== --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -2,7 +2,7 @@ * pata_cmd64x.c - CMD64x PATA for new ATA layer * (C) 2005 Red Hat Inc * Alan Cox <alan@...rguk.ukuu.org.uk> - * (C) 2009 Bartlomiej Zolnierkiewicz + * (C) 2009-2010 Bartlomiej Zolnierkiewicz * * Based upon * linux/drivers/ide/pci/cmd64x.c Version 1.30 Sept 10, 2002 @@ -182,7 +182,9 @@ static void cmd64x_set_timing(struct ata /* Now convert the clocks into values we can actually stuff into the chip */ - if (t.recover > 1) + if (t.recover == 16) + t.recover = 0; + else if (t.recover > 1) t.recover--; else t.recover = 15; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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