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path: root/drivers/ide/pci/it821x.c
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Diffstat (limited to 'drivers/ide/pci/it821x.c')
-rw-r--r--drivers/ide/pci/it821x.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index d8a167451fd6..a38ec47423a0 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -523,16 +523,12 @@ static void __devinit it821x_quirkproc(ide_drive_t *drive)
523static void __devinit init_hwif_it821x(ide_hwif_t *hwif) 523static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
524{ 524{
525 struct pci_dev *dev = to_pci_dev(hwif->dev); 525 struct pci_dev *dev = to_pci_dev(hwif->dev);
526 struct it821x_dev *idev = kzalloc(sizeof(struct it821x_dev), GFP_KERNEL); 526 struct it821x_dev **itdevs = (struct it821x_dev **)pci_get_drvdata(dev);
527 struct it821x_dev *idev = itdevs[hwif->channel];
527 u8 conf; 528 u8 conf;
528 529
529 hwif->quirkproc = &it821x_quirkproc; 530 hwif->quirkproc = &it821x_quirkproc;
530 531
531 if (idev == NULL) {
532 printk(KERN_ERR "it821x: out of memory, falling back to legacy behaviour.\n");
533 return;
534 }
535
536 ide_set_hwifdata(hwif, idev); 532 ide_set_hwifdata(hwif, idev);
537 533
538 pci_read_config_byte(dev, 0x50, &conf); 534 pci_read_config_byte(dev, 0x50, &conf);
@@ -623,7 +619,6 @@ static unsigned int __devinit init_chipset_it821x(struct pci_dev *dev, const cha
623 .name = name_str, \ 619 .name = name_str, \
624 .init_chipset = init_chipset_it821x, \ 620 .init_chipset = init_chipset_it821x, \
625 .init_hwif = init_hwif_it821x, \ 621 .init_hwif = init_hwif_it821x, \
626 .host_flags = IDE_HFLAG_BOOTABLE, \
627 .pio_mask = ATA_PIO4, \ 622 .pio_mask = ATA_PIO4, \
628 } 623 }
629 624
@@ -642,6 +637,22 @@ static const struct ide_port_info it821x_chipsets[] __devinitdata = {
642 637
643static int __devinit it821x_init_one(struct pci_dev *dev, const struct pci_device_id *id) 638static int __devinit it821x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
644{ 639{
640 struct it821x_dev *itdevs[2] = { NULL, NULL} , *itdev;
641 unsigned int i;
642
643 for (i = 0; i < 2; i++) {
644 itdev = kzalloc(sizeof(*itdev), GFP_KERNEL);
645 if (itdev == NULL) {
646 kfree(itdevs[0]);
647 printk(KERN_ERR "it821x: out of memory\n");
648 return -ENOMEM;
649 }
650
651 itdevs[i] = itdev;
652 }
653
654 pci_set_drvdata(dev, itdevs);
655
645 return ide_setup_pci_device(dev, &it821x_chipsets[id->driver_data]); 656 return ide_setup_pci_device(dev, &it821x_chipsets[id->driver_data]);
646} 657}
647 658