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path: root/drivers/ide/setup-pci.c
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Diffstat (limited to 'drivers/ide/setup-pci.c')
-rw-r--r--drivers/ide/setup-pci.c48
1 files changed, 19 insertions, 29 deletions
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 804c3ef245f9..1c0c5570dec8 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -289,7 +289,7 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *
289} 289}
290 290
291/** 291/**
292 * ide_hwif_configure - configure an IDE interface 292 * ide_hw_configure - configure a hw_regs_t instance
293 * @dev: PCI device holding interface 293 * @dev: PCI device holding interface
294 * @d: IDE port info 294 * @d: IDE port info
295 * @port: port number 295 * @port: port number
@@ -300,23 +300,20 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *
300 * is done per interface port rather than per PCI device. There may be 300 * is done per interface port rather than per PCI device. There may be
301 * more than one port per device. 301 * more than one port per device.
302 * 302 *
303 * Returns the new hardware interface structure, or NULL on a failure 303 * Returns zero on success or an error code.
304 */ 304 */
305 305
306static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, 306static int ide_hw_configure(struct pci_dev *dev, const struct ide_port_info *d,
307 const struct ide_port_info *d, 307 unsigned int port, int irq, hw_regs_t *hw)
308 unsigned int port, int irq,
309 hw_regs_t *hw)
310{ 308{
311 unsigned long ctl = 0, base = 0; 309 unsigned long ctl = 0, base = 0;
312 ide_hwif_t *hwif;
313 310
314 if ((d->host_flags & IDE_HFLAG_ISA_PORTS) == 0) { 311 if ((d->host_flags & IDE_HFLAG_ISA_PORTS) == 0) {
315 if (ide_pci_check_iomem(dev, d, 2 * port) || 312 if (ide_pci_check_iomem(dev, d, 2 * port) ||
316 ide_pci_check_iomem(dev, d, 2 * port + 1)) { 313 ide_pci_check_iomem(dev, d, 2 * port + 1)) {
317 printk(KERN_ERR "%s: I/O baseregs (BIOS) are reported " 314 printk(KERN_ERR "%s: I/O baseregs (BIOS) are reported "
318 "as MEM for port %d!\n", d->name, port); 315 "as MEM for port %d!\n", d->name, port);
319 return NULL; 316 return -EINVAL;
320 } 317 }
321 318
322 ctl = pci_resource_start(dev, 2*port+1); 319 ctl = pci_resource_start(dev, 2*port+1);
@@ -330,7 +327,7 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev,
330 if (!base || !ctl) { 327 if (!base || !ctl) {
331 printk(KERN_ERR "%s: bad PCI BARs for port %d, skipping\n", 328 printk(KERN_ERR "%s: bad PCI BARs for port %d, skipping\n",
332 d->name, port); 329 d->name, port);
333 return NULL; 330 return -EINVAL;
334 } 331 }
335 332
336 memset(hw, 0, sizeof(*hw)); 333 memset(hw, 0, sizeof(*hw));
@@ -339,13 +336,7 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev,
339 hw->chipset = d->chipset ? d->chipset : ide_pci; 336 hw->chipset = d->chipset ? d->chipset : ide_pci;
340 ide_std_init_ports(hw, base, ctl | 2); 337 ide_std_init_ports(hw, base, ctl | 2);
341 338
342 hwif = ide_find_port_slot(d); 339 return 0;
343 if (hwif == NULL)
344 return NULL;
345
346 hwif->chipset = hw->chipset;
347
348 return hwif;
349} 340}
350 341
351#ifdef CONFIG_BLK_DEV_IDEDMA_PCI 342#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
@@ -443,7 +434,6 @@ out:
443 * @dev: PCI device 434 * @dev: PCI device
444 * @d: IDE port info 435 * @d: IDE port info
445 * @pciirq: IRQ line 436 * @pciirq: IRQ line
446 * @idx: ATA index table to update
447 * @hw: hw_regs_t instances corresponding to this PCI IDE device 437 * @hw: hw_regs_t instances corresponding to this PCI IDE device
448 * @hws: hw_regs_t pointers table to update 438 * @hws: hw_regs_t pointers table to update
449 * 439 *
@@ -457,10 +447,9 @@ out:
457 */ 447 */
458 448
459void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, 449void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d,
460 int pciirq, u8 *idx, hw_regs_t *hw, hw_regs_t **hws) 450 int pciirq, hw_regs_t *hw, hw_regs_t **hws)
461{ 451{
462 int channels = (d->host_flags & IDE_HFLAG_SINGLE) ? 1 : 2, port; 452 int channels = (d->host_flags & IDE_HFLAG_SINGLE) ? 1 : 2, port;
463 ide_hwif_t *hwif;
464 u8 tmp; 453 u8 tmp;
465 454
466 /* 455 /*
@@ -476,12 +465,10 @@ void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d,
476 continue; /* port not enabled */ 465 continue; /* port not enabled */
477 } 466 }
478 467
479 hwif = ide_hwif_configure(dev, d, port, pciirq, hw + port); 468 if (ide_hw_configure(dev, d, port, pciirq, hw + port))
480 if (hwif == NULL)
481 continue; 469 continue;
482 470
483 *(hws + port) = hw + port; 471 *(hws + port) = hw + port;
484 *(idx + port) = hwif->index;
485 } 472 }
486} 473}
487EXPORT_SYMBOL_GPL(ide_pci_setup_ports); 474EXPORT_SYMBOL_GPL(ide_pci_setup_ports);
@@ -554,7 +541,7 @@ out:
554 541
555int ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d) 542int ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d)
556{ 543{
557 u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; 544 struct ide_host *host;
558 hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; 545 hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
559 int ret; 546 int ret;
560 547
@@ -562,9 +549,11 @@ int ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d)
562 549
563 if (ret >= 0) { 550 if (ret >= 0) {
564 /* FIXME: silent failure can happen */ 551 /* FIXME: silent failure can happen */
565 ide_pci_setup_ports(dev, d, ret, &idx[0], &hw[0], &hws[0]); 552 ide_pci_setup_ports(dev, d, ret, &hw[0], &hws[0]);
566 553
567 ide_device_add(idx, d, hws); 554 host = ide_host_alloc(d, hws);
555 if (host)
556 ide_host_register(host, d, hws);
568 } 557 }
569 558
570 return ret; 559 return ret;
@@ -575,9 +564,9 @@ int ide_setup_pci_devices(struct pci_dev *dev1, struct pci_dev *dev2,
575 const struct ide_port_info *d) 564 const struct ide_port_info *d)
576{ 565{
577 struct pci_dev *pdev[] = { dev1, dev2 }; 566 struct pci_dev *pdev[] = { dev1, dev2 };
567 struct ide_host *host;
578 int ret, i; 568 int ret, i;
579 hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; 569 hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
580 u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
581 570
582 for (i = 0; i < 2; i++) { 571 for (i = 0; i < 2; i++) {
583 ret = do_ide_setup_pci_device(pdev[i], d, !i); 572 ret = do_ide_setup_pci_device(pdev[i], d, !i);
@@ -590,11 +579,12 @@ int ide_setup_pci_devices(struct pci_dev *dev1, struct pci_dev *dev2,
590 goto out; 579 goto out;
591 580
592 /* FIXME: silent failure can happen */ 581 /* FIXME: silent failure can happen */
593 ide_pci_setup_ports(pdev[i], d, ret, &idx[i*2], &hw[i*2], 582 ide_pci_setup_ports(pdev[i], d, ret, &hw[i*2], &hws[i*2]);
594 &hws[i*2]);
595 } 583 }
596 584
597 ide_device_add(idx, d, hws); 585 host = ide_host_alloc(d, hws);
586 if (host)
587 ide_host_register(host, d, hws);
598out: 588out:
599 return ret; 589 return ret;
600} 590}