Hello.
On 19-04-2011 0:50, James Bottomley wrote:
You shouldn't need to touch a single line of the core libata code,
although it might be the best way of doing it.
So how about this, using the dummy port info mechanism. I get a
spurious ata2: DUMMY message, but I suppose libata people are used to
that. I still have to fix libata to prevent spurious irq information,
but that's cosmetic.
James
---
diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c
index 905ff76..10dabe9 100644
--- a/drivers/ata/pata_cmd64x.c
+++ b/drivers/ata/pata_cmd64x.c
@@ -354,6 +361,19 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
mrdmode |= 0x02; /* Memory read line enable */
pci_write_config_byte(pdev, MRDMODE, mrdmode);
+ /* check for enabled ports */
+ pci_read_config_byte(pdev, ENPORT,®);
+ /* the cm643 primary port is always enabled */
+ if (id->driver_data != 0&& !(reg& ENPORT_PRIMARY)) {
+ dev_printk(KERN_ERR,&pdev->dev, "Primary port is disabled; detaching\n");
This is no longer true.
+ ppi[0] =&ata_dummy_port_info;
+
+ }
WBR, Sergei
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