SATA: Blacklisting of systems that spin off disks during ACPI power off
[safe/jmp/linux-2.6] / drivers / ata / pata_it821x.c
index 0221c9a..f1bb2f9 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * pata_it821x.c       - IT821x PATA for new ATA layer
  *                       (C) 2005 Red Hat Inc
- *                       Alan Cox <alan@redhat.com>
+ *                       Alan Cox <alan@lxorguk.ukuu.org.uk>
  *                       (C) 2007 Bartlomiej Zolnierkiewicz
  *
  * based upon
@@ -10,7 +10,7 @@
  *
  * linux/drivers/ide/pci/it821x.c              Version 0.09    December 2004
  *
- * Copyright (C) 2004          Red Hat <alan@redhat.com>
+ * Copyright (C) 2004          Red Hat
  *
  *  May be copied or modified under the terms of the GNU General Public License
  *  Based in part on the ITE vendor provided SCSI driver.
@@ -80,7 +80,7 @@
 
 
 #define DRV_NAME "pata_it821x"
-#define DRV_VERSION "0.4.0"
+#define DRV_VERSION "0.4.2"
 
 struct it821x_dev
 {
@@ -465,24 +465,22 @@ static int it821x_smart_set_mode(struct ata_link *link, struct ata_device **unus
 {
        struct ata_device *dev;
 
-       ata_link_for_each_dev(dev, link) {
-               if (ata_dev_enabled(dev)) {
-                       /* We don't really care */
-                       dev->pio_mode = XFER_PIO_0;
-                       dev->dma_mode = XFER_MW_DMA_0;
-                       /* We do need the right mode information for DMA or PIO
-                          and this comes from the current configuration flags */
-                       if (ata_id_has_dma(dev->id)) {
-                               ata_dev_printk(dev, KERN_INFO, "configured for DMA\n");
-                               dev->xfer_mode = XFER_MW_DMA_0;
-                               dev->xfer_shift = ATA_SHIFT_MWDMA;
-                               dev->flags &= ~ATA_DFLAG_PIO;
-                       } else {
-                               ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
-                               dev->xfer_mode = XFER_PIO_0;
-                               dev->xfer_shift = ATA_SHIFT_PIO;
-                               dev->flags |= ATA_DFLAG_PIO;
-                       }
+       ata_for_each_dev(dev, link, ENABLED) {
+               /* We don't really care */
+               dev->pio_mode = XFER_PIO_0;
+               dev->dma_mode = XFER_MW_DMA_0;
+               /* We do need the right mode information for DMA or PIO
+                  and this comes from the current configuration flags */
+               if (ata_id_has_dma(dev->id)) {
+                       ata_dev_printk(dev, KERN_INFO, "configured for DMA\n");
+                       dev->xfer_mode = XFER_MW_DMA_0;
+                       dev->xfer_shift = ATA_SHIFT_MWDMA;
+                       dev->flags &= ~ATA_DFLAG_PIO;
+               } else {
+                       ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
+                       dev->xfer_mode = XFER_PIO_0;
+                       dev->xfer_shift = ATA_SHIFT_PIO;
+                       dev->flags |= ATA_DFLAG_PIO;
                }
        }
        return 0;
@@ -496,8 +494,6 @@ static int it821x_smart_set_mode(struct ata_link *link, struct ata_device **unus
  *     special. In our case we need to lock the sector count to avoid
  *     blowing the brains out of the firmware with large LBA48 requests
  *
- *     FIXME: When FUA appears we need to block FUA too. And SMART and
- *     basically we need to filter commands for this chip.
  */
 
 static void it821x_dev_config(struct ata_device *adev)
@@ -557,9 +553,8 @@ static unsigned int it821x_read_id(struct ata_device *adev,
        if (strstr(model_num, "Integrated Technology Express")) {
                /* Set feature bits the firmware neglects */
                id[49] |= 0x0300;       /* LBA, DMA */
-               id[82] |= 0x0400;       /* LBA48 */
                id[83] &= 0x7FFF;
-               id[83] |= 0x4000;       /* Word 83 is valid */
+               id[83] |= 0x4400;       /* Word 83 is valid and LBA48 */
                id[86] |= 0x0400;       /* LBA48 on */
                id[ATA_ID_MAJOR_VER] |= 0x1F;
        }
@@ -893,6 +888,13 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                .flags = ATA_FLAG_SLAVE_POSS,
                .pio_mask = 0x1f,
                .mwdma_mask = 0x07,
+               .udma_mask = ATA_UDMA6,
+               .port_ops = &it821x_rdc_port_ops
+       };
+       static const struct ata_port_info info_rdc_11 = {
+               .flags = ATA_FLAG_SLAVE_POSS,
+               .pio_mask = 0x1f,
+               .mwdma_mask = 0x07,
                /* No UDMA */
                .port_ops = &it821x_rdc_port_ops
        };
@@ -906,7 +908,11 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                return rc;
                
        if (pdev->vendor == PCI_VENDOR_ID_RDC) {
-               ppi[0] = &info_rdc;
+               /* Deal with Vortex86SX */
+               if (pdev->revision == 0x11)
+                       ppi[0] = &info_rdc_11;
+               else
+                       ppi[0] = &info_rdc;
        } else {
                /* Force the card into bypass mode if so requested */
                if (it8212_noraid) {