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ata: Fix DVD not dectected at some platform with Wellsburg PCH
authorYouquan Song <youquan.song@intel.com>
Fri, 12 Jul 2013 01:15:57 +0000 (21:15 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 4 Aug 2013 08:50:55 +0000 (16:50 +0800)
commit eac27f04a71e1f39f196f7e520d16dcefc955d77 upstream.

There is a patch b55f84e2d527182e7c611d466cd0bb6ddce201de "ata_piix: Fix DVD
 not dectected at some Haswell platforms" to fix an issue of DVD not
recognized on Haswell Desktop platform with Lynx Point.
Recently, it is also found the same issue at some platformas with Wellsburg PCH.

So deliver a similar patch to fix it by disables 32bit PIO in IDE mode.

Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/ata/ata_piix.c patch | blob | history

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 8eae659..b92913a 100644 (file)
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -330,7 +330,7 @@ static const struct pci_device_id piix_pci_tbl[] = {
        /* SATA Controller IDE (Wellsburg) */
        { 0x8086, 0x8d00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
        /* SATA Controller IDE (Wellsburg) */
-       { 0x8086, 0x8d08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+       { 0x8086, 0x8d08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb },
        /* SATA Controller IDE (Wellsburg) */
        { 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
        /* SATA Controller IDE (Wellsburg) */
Domain: System / Kernel;