- ide_hwif_t *hwif = NULL;
-
- pci_set_power_state(dev, PCI_D0); // bring chip back from sleep state
- dev->current_state = PM_EVENT_ON;
- pci_enable_device(dev);
- //
- // loop over all interfaces that are part of this pci device:
- //
- while ((hwif = lookup_pci_dev(hwif, dev)) != NULL) {
- unsigned int basereg, r, d, format;
- sc1200_saved_state_t *ss = (sc1200_saved_state_t *)hwif->config_data;
-
- //
- // Restore timing registers: this may be unnecessary if BIOS also does it
- //
- basereg = hwif->channel ? 0x50 : 0x40;
- if (ss != NULL) {
- for (r = 0; r < 4; ++r) {
- pci_write_config_dword(hwif->pci_dev, basereg + (r<<2), ss->regs[r]);
- }
- }
- //
- // Re-program drive PIO modes
- //
- pci_read_config_dword(hwif->pci_dev, basereg+4, &format);
- format = (format >> 31) & 1;
- if (format)
- format += sc1200_get_pci_clock();
- for (d = 0; d < 2; ++d) {
- ide_drive_t *drive = &(hwif->drives[d]);
- if (drive->present) {
- unsigned int pio, timings;
- pci_read_config_dword(hwif->pci_dev, basereg+(drive->select.b.unit << 3), &timings);
- for (pio = 0; pio <= 4; ++pio) {
- if (sc1200_pio_timings[format][pio] == timings)
- break;
- }
- if (pio > 4)
- pio = 255; /* autotune */
- (void)sc1200_tuneproc(drive, pio);
- }
- }
- //
- // Re-program drive DMA modes
- //
- for (d = 0; d < MAX_DRIVES; ++d) {
- ide_drive_t *drive = &(hwif->drives[d]);
- if (drive->present && !__ide_dma_bad_drive(drive)) {
- int enable_dma = drive->using_dma;
- hwif->dma_off_quietly(drive);
- if (sc1200_config_dma(drive))
- enable_dma = 0;
- if (enable_dma)
- hwif->dma_host_on(drive);
- }
- }
- }
+ struct ide_host *host = pci_get_drvdata(dev);
+ struct sc1200_saved_state *ss = host->host_priv;
+ unsigned int r;
+ int i;
+
+ i = pci_enable_device(dev);
+ if (i)
+ return i;
+
+ /*
+ * restore timing registers
+ * (this may be unnecessary if BIOS also does it)
+ */
+ for (r = 0; r < 8; r++)
+ pci_write_config_dword(dev, 0x40 + r * 4, ss->regs[r]);
+