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Message-ID: <20070525205024.2f83995d@the-village.bc.nu> Date: Fri, 25 May 2007 20:50:24 +0100 From: Alan Cox <alan@...rguk.ukuu.org.uk> To: jeff@...zik.org, linux-kernel@...r.kernel.org Subject: [PATCH] pata_sis: FIFO whack If you are using a SiS controller and the BIOS didn't set it up then the FIFO may be left active when we try and set up the CD. Not convinced this matters but I'd prefer to be safe Signed-off-by: Alan Cox <alan@...hat.com> diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.22-rc2-mm1/drivers/ata/pata_sis.c linux-2.6.22-rc2-mm1/drivers/ata/pata_sis.c --- linux.vanilla-2.6.22-rc2-mm1/drivers/ata/pata_sis.c 2007-05-25 17:39:06.000000000 +0100 +++ linux-2.6.22-rc2-mm1/drivers/ata/pata_sis.c 2007-05-25 18:22:21.000000000 +0100 @@ -149,6 +149,9 @@ if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no])) return -ENOENT; + /* Clear the FIFO settings. We can't enable the FIFO until + we know we are poking at a disk */ + pci_write_config_byte(pdev, 0x4B, 0); return ata_std_prereset(ap, deadline); } - 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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