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Subject[PATCH] sata_nv: add the wildcard support for ahci legacy mode
Add the wildcard support to sata_nv driver for those new ahci controllers being configured
as IDE/RAID mode and also their DIDs haven't been added into ahci driver.

The patch base on kernel 2.6.23-rc9

Signed-off-by: Peer Chen <peerchen@gmail.com>
---
--- linux-2.6.23-rc9/drivers/ata/sata_nv.c.orig 2007-10-08 10:32:52.000000000 -0400
+++ linux-2.6.23-rc9/drivers/ata/sata_nv.c 2007-10-08 10:33:04.000000000 -0400
@@ -266,6 +266,7 @@ static void nv_adma_tf_read(struct ata_p
enum nv_host_type
{
GENERIC,
+ AHCI_LEG,
NFORCE2,
NFORCE3 = NFORCE2, /* NF2 == NF3 as far as sata_nv is concerned */
CK804,
@@ -287,6 +288,12 @@ static const struct pci_device_id nv_pci
{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA), GENERIC },
{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2), GENERIC },
{ PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3), GENERIC },
+ { PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
+ PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_STORAGE_RAID<<8, 0xffff00, AHCI_LEG },
+ { PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
+ PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_STORAGE_IDE<<8, 0xffff00, AHCI_LEG },

{ } /* terminate list */
};
@@ -365,6 +372,30 @@ static const struct ata_port_operations
.port_start = ata_port_start,
};

+static const struct ata_port_operations nv_ahci_leg_ops = {
+ .port_disable = ata_port_disable,
+ .tf_load = ata_tf_load,
+ .tf_read = ata_tf_read,
+ .exec_command = ata_exec_command,
+ .check_status = ata_check_status,
+ .dev_select = ata_std_dev_select,
+ .bmdma_setup = ata_bmdma_setup,
+ .bmdma_start = ata_bmdma_start,
+ .bmdma_stop = ata_bmdma_stop,
+ .bmdma_status = ata_bmdma_status,
+ .qc_prep = ata_qc_prep,
+ .qc_issue = ata_qc_issue_prot,
+ .freeze = ata_bmdma_freeze,
+ .thaw = ata_bmdma_thaw,
+ .error_handler = nv_error_handler,
+ .post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .data_xfer = ata_data_xfer,
+ .irq_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+ .irq_ack = ata_irq_ack,
+ .port_start = ata_port_start,
+};
+
static const struct ata_port_operations nv_nf2_ops = {
.port_disable = ata_port_disable,
.tf_load = ata_tf_load,
@@ -463,6 +494,17 @@ static const struct ata_port_info nv_por
.port_ops = &nv_generic_ops,
.irq_handler = nv_generic_interrupt,
},
+ /* ahci legacy */
+ {
+ .sht = &nv_sht,
+ .flags = ATA_FLAG_SATA | ATA_FLAG_SLAVE_POSS |
+ ATA_FLAG_HRST_TO_RESUME,
+ .pio_mask = NV_PIO_MASK,
+ .mwdma_mask = NV_MWDMA_MASK,
+ .udma_mask = NV_UDMA_MASK,
+ .port_ops = &nv_ahci_leg_ops,
+ .irq_handler = nv_generic_interrupt,
+ },
/* nforce2/3 */
{
.sht = &nv_sht,
-
-
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