commit
1529c69adce1e95f7ae72f0441590c226bbac7fc upstream.
IDE mode of MCP89 on MBP 7,1 doesn't set DMA enable bits in the BMDMA
status register. Make the following changes to work around the problem.
* Instead of using hard coded 1 in id->driver_data as class code
match, use ATA_GEN_CLASS_MATCH and carry the matched id in
host->private_data.
* Instead of matching PCI_VENDOR_ID_CENATEK, use ATA_GEN_FORCE_DMA
flag in id instead.
* Add ATA_GEN_FORCE_DMA to the id entry of MBP 7,1.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Peer Chen <pchen@nvidia.com>
Reported-by: Anders Ă˜sthus <grapz666@gmail.com>
Reported-by: Andreas Graf <andreas_graf@csgraf.de>
Reported-by: Benoit Gschwind <gschwind@gnu-log.net>
Reported-by: Damien Cassou <damien.cassou@gmail.com>
Reported-by: tixetsal@juno.com
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* A generic parallel ATA driver using libata
*/
* A generic parallel ATA driver using libata
*/
+enum {
+ ATA_GEN_CLASS_MATCH = (1 << 0),
+ ATA_GEN_FORCE_DMA = (1 << 1),
+};
+
/**
* generic_set_mode - mode setting
* @link: link to set up
/**
* generic_set_mode - mode setting
* @link: link to set up
static int generic_set_mode(struct ata_link *link, struct ata_device **unused)
{
struct ata_port *ap = link->ap;
static int generic_set_mode(struct ata_link *link, struct ata_device **unused)
{
struct ata_port *ap = link->ap;
+ const struct pci_device_id *id = ap->host->private_data;
int dma_enabled = 0;
struct ata_device *dev;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
int dma_enabled = 0;
struct ata_device *dev;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- /* Bits 5 and 6 indicate if DMA is active on master/slave */
- if (ap->ioaddr.bmdma_addr)
+ if (id->driver_data & ATA_GEN_FORCE_DMA) {
+ dma_enabled = 0xff;
+ } else if (ap->ioaddr.bmdma_addr) {
+ /* Bits 5 and 6 indicate if DMA is active on master/slave */
dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
if (pdev->vendor == PCI_VENDOR_ID_CENATEK)
dma_enabled = 0xFF;
if (pdev->vendor == PCI_VENDOR_ID_CENATEK)
dma_enabled = 0xFF;
const struct ata_port_info *ppi[] = { &info, NULL };
/* Don't use the generic entry unless instructed to do so */
const struct ata_port_info *ppi[] = { &info, NULL };
/* Don't use the generic entry unless instructed to do so */
- if (id->driver_data == 1 && all_generic_ide == 0)
+ if ((id->driver_data & ATA_GEN_CLASS_MATCH) && all_generic_ide == 0)
return -ENODEV;
/* Devices that need care */
return -ENODEV;
/* Devices that need care */
return rc;
pcim_pin_device(dev);
}
return rc;
pcim_pin_device(dev);
}
- return ata_pci_sff_init_one(dev, ppi, &generic_sht, NULL);
+ return ata_pci_sff_init_one(dev, ppi, &generic_sht, (void *)id);
}
static struct pci_device_id ata_generic[] = {
}
static struct pci_device_id ata_generic[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561), },
{ PCI_DEVICE(PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558), },
{ PCI_DEVICE(PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), },
{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561), },
{ PCI_DEVICE(PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558), },
- { PCI_DEVICE(PCI_VENDOR_ID_CENATEK,PCI_DEVICE_ID_CENATEK_IDE), },
- { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO), },
+ { PCI_DEVICE(PCI_VENDOR_ID_CENATEK,PCI_DEVICE_ID_CENATEK_IDE),
+ .driver_data = ATA_GEN_FORCE_DMA },
/*
* For some reason, MCP89 on MacBook 7,1 doesn't work with
* ahci, use ata_generic instead.
*/
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA,
/*
* For some reason, MCP89 on MacBook 7,1 doesn't work with
* ahci, use ata_generic instead.
*/
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA,
- PCI_VENDOR_ID_APPLE, 0xcb89, },
+ PCI_VENDOR_ID_APPLE, 0xcb89,
+ .driver_data = ATA_GEN_FORCE_DMA },
+ { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO), },
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), },
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), },
/* Must come last. If you add entries adjust this table appropriately */
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), },
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), },
/* Must come last. If you add entries adjust this table appropriately */
- { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 1},
+ { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL),
+ .driver_data = ATA_GEN_CLASS_MATCH },