Hi Maintainer, Can you take the patch which is needed by some new platforms? Thanks -Youquan On Mon, Feb 18, 2013 at 11:00:55AM -0500, Youquan Song wrote: > There is a quirk patch 5e5a4f5d5a08c9c504fe956391ac3dae2c66556d > "ata_piix: make DVD Drive recognisable on systems with Intel Sandybridge > chipsets(v2)" fixing the 4 ports IDE controller 32bit PIO mode. > > We've hit a problem with DVD not recognized on Haswell Desktop platform which > includes Lynx Point 2-port SATA controller. > > This quirk patch disables 32bit PIO on this controller in IDE mode. > > v2: Change spelling error in statememnt pointed by Sergei Shtylyov. > v3: Change comment statememnt and spliting line over 80 characters pointed by > Libor Pechacek and also rebase the patch against 3.8-rc7 kernel. > > Tested-by: Lee, Chun-Yi <jlee@xxxxxxxx> > Signed-off-by: Youquan Song <youquan.song@xxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > --- > drivers/ata/ata_piix.c | 14 +++++++++++++- > 1 files changed, 13 insertions(+), 1 deletions(-) > > diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c > index 174eca6..4aab550 100644 > --- a/drivers/ata/ata_piix.c > +++ b/drivers/ata/ata_piix.c > @@ -150,6 +150,7 @@ enum piix_controller_ids { > tolapai_sata, > piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */ > ich8_sata_snb, > + ich8_2port_sata_snb, > }; > > struct piix_map_db { > @@ -304,7 +305,7 @@ static const struct pci_device_id piix_pci_tbl[] = { > /* SATA Controller IDE (Lynx Point) */ > { 0x8086, 0x8c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb }, > /* SATA Controller IDE (Lynx Point) */ > - { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, > + { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb }, > /* SATA Controller IDE (Lynx Point) */ > { 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, > /* SATA Controller IDE (Lynx Point-LP) */ > @@ -422,6 +423,7 @@ static const struct piix_map_db *piix_map_db_table[] = { > [ich8m_apple_sata] = &ich8m_apple_map_db, > [tolapai_sata] = &tolapai_map_db, > [ich8_sata_snb] = &ich8_map_db, > + [ich8_2port_sata_snb] = &ich8_2port_map_db, > }; > > static struct pci_bits piix_enable_bits[] = { > @@ -1225,6 +1227,16 @@ static struct ata_port_info piix_port_info[] = { > .udma_mask = ATA_UDMA6, > .port_ops = &piix_sata_ops, > }, > + > + [ich8_2port_sata_snb] = > + { > + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR > + | PIIX_FLAG_PIO16, > + .pio_mask = ATA_PIO4, > + .mwdma_mask = ATA_MWDMA2, > + .udma_mask = ATA_UDMA6, > + .port_ops = &piix_sata_ops, > + }, > }; > > #define AHCI_PCI_BAR 5 > -- > 1.7.7.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html