pata_ninja32: Cardbus ATA initial support

[linux-2.6] / drivers / ata / libata-core.c

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 4753a1831dbc483b874a8efed0e9da8adf3f7869..3dd0e942df363c0762bd3605f0cc6184a07af8e4 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -119,6 +119,10 @@ int libata_noacpi = 0;
 module_param_named(noacpi, libata_noacpi, int, 0444);
 MODULE_PARM_DESC(noacpi, "Disables the use of ACPI in probe/suspend/resume when set");
 
+int libata_allow_tpm = 0;
+module_param_named(allow_tpm, libata_allow_tpm, int, 0444);
+MODULE_PARM_DESC(allow_tpm, "Permit the use of TPM commands");
+
 MODULE_AUTHOR("Jeff Garzik");
 MODULE_DESCRIPTION("Library module for ATA devices");
 MODULE_LICENSE("GPL");
@@ -2161,8 +2165,14 @@ int ata_dev_configure(struct ata_device *dev)
                                               "supports DRM functions and may "
                                               "not be fully accessable.\n");
                        snprintf(revbuf, 7, "CFA");
-               } else
+               } else {
                        snprintf(revbuf, 7, "ATA-%d", ata_id_major_version(id));
+                       /* Warn the user if the device has TPM extensions */
+                       if (ata_id_has_tpm(id))
+                               ata_dev_printk(dev, KERN_WARNING,
+                                              "supports DRM functions and may "
+                                              "not be fully accessable.\n");
+               }
 
                dev->n_sectors = ata_id_n_sectors(id);
 
@@ -4363,7 +4373,14 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
        tf.feature = SETFEATURES_XFER;
        tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_POLLING;
        tf.protocol = ATA_PROT_NODATA;
-       tf.nsect = dev->xfer_mode;
+       /* If we are using IORDY we must send the mode setting command */
+       if (ata_pio_need_iordy(dev))
+               tf.nsect = dev->xfer_mode;
+       /* If the device has IORDY and the controller does not - turn it off */
+       else if (ata_id_has_iordy(dev->id))
+               tf.nsect = 0x01;
+       else /* In the ancient relic department - skip all of this */
+               return 0;
 
        err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0);
 
@@ -6998,7 +7015,9 @@ int ata_host_start(struct ata_host *host)
                        rc = ap->ops->port_start(ap);
                        if (rc) {
                                if (rc != -ENODEV)
-                                       dev_printk(KERN_ERR, host->dev, "failed to start port %d (errno=%d)\n", i, rc);
+                                       dev_printk(KERN_ERR, host->dev,
+                                               "failed to start port %d "
+                                               "(errno=%d)\n", i, rc);
                                goto err_out;
                        }
                }