X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fsetup-pci.c;h=acb467c6f3459b678a0549b1b6921bdb9652e078;hb=ab86f91e8739e0b1587a16e4792ab5e4bb11f1b5;hp=abcfb1739d4d3a2089d580a1f7ffe5583ed3ff6a;hpb=77e442461c74068217b59b356cf18992c78ed896;p=linux-2.6-omap-h63xx.git diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index abcfb1739d4..acb467c6f34 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -6,19 +6,15 @@ * May be copied or modified under the terms of the GNU General Public License */ -#include #include #include #include #include -#include -#include #include #include #include #include -#include /** * ide_setup_pci_baseregs - place a PCI IDE controller native @@ -293,6 +289,7 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info * * @d: IDE port info * @port: port number * @irq: PCI IRQ + * @hw: hw_regs_t instance corresponding to this port * * Perform the initial set up for the hardware interface structure. This * is done per interface port rather than per PCI device. There may be @@ -303,11 +300,11 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info * static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, const struct ide_port_info *d, - unsigned int port, int irq) + unsigned int port, int irq, + hw_regs_t *hw) { unsigned long ctl = 0, base = 0; ide_hwif_t *hwif; - struct hw_regs_s hw; if ((d->host_flags & IDE_HFLAG_ISA_PORTS) == 0) { if (ide_pci_check_iomem(dev, d, 2 * port) || @@ -319,34 +316,29 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev, ctl = pci_resource_start(dev, 2*port+1); base = pci_resource_start(dev, 2*port); - if ((ctl && !base) || (base && !ctl)) { - printk(KERN_ERR "%s: inconsistent baseregs (BIOS) " - "for port %d, skipping\n", d->name, port); - return NULL; - } - } - if (!ctl) { + } else { /* Use default values */ ctl = port ? 0x374 : 0x3f4; base = port ? 0x170 : 0x1f0; } - hwif = ide_find_port_slot(d); - if (hwif == NULL) { - printk(KERN_ERR "%s: too many IDE interfaces, no room in " - "table\n", d->name); + if (!base || !ctl) { + printk(KERN_ERR "%s: bad PCI BARs for port %d, skipping\n", + d->name, port); return NULL; } - memset(&hw, 0, sizeof(hw)); - hw.irq = irq; - hw.dev = &dev->dev; - hw.chipset = d->chipset ? d->chipset : ide_pci; - ide_std_init_ports(&hw, base, ctl | 2); + memset(hw, 0, sizeof(*hw)); + hw->irq = irq; + hw->dev = &dev->dev; + hw->chipset = d->chipset ? d->chipset : ide_pci; + ide_std_init_ports(hw, base, ctl | 2); - ide_init_port_hw(hwif, &hw); + hwif = ide_find_port_slot(d); + if (hwif == NULL) + return NULL; - hwif->dev = &dev->dev; + hwif->chipset = hw->chipset; return hwif; } @@ -439,6 +431,8 @@ out: * @d: IDE port info * @pciirq: IRQ line * @idx: ATA index table to update + * @hw: hw_regs_t instances corresponding to this PCI IDE device + * @hws: hw_regs_t pointers table to update * * Scan the interfaces attached to this device and do any * necessary per port setup. Attach the devices and ask the @@ -449,7 +443,8 @@ out: * where the chipset setup is not the default PCI IDE one. */ -void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, int pciirq, u8 *idx) +void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, + int pciirq, u8 *idx, hw_regs_t *hw, hw_regs_t **hws) { int channels = (d->host_flags & IDE_HFLAG_SINGLE) ? 1 : 2, port; ide_hwif_t *hwif; @@ -468,10 +463,11 @@ void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, int continue; /* port not enabled */ } - hwif = ide_hwif_configure(dev, d, port, pciirq); + hwif = ide_hwif_configure(dev, d, port, pciirq, hw + port); if (hwif == NULL) continue; + *(hws + port) = hw + port; *(idx + port) = hwif->index; } } @@ -489,7 +485,7 @@ EXPORT_SYMBOL_GPL(ide_pci_setup_ports); */ static int do_ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d, - u8 *idx, u8 noisy) + u8 noisy) { int tried_config = 0; int pciirq, ret; @@ -538,9 +534,7 @@ static int do_ide_setup_pci_device(struct pci_dev *dev, d->name, pciirq); } - /* FIXME: silent failure can happen */ - - ide_pci_setup_ports(dev, d, pciirq, idx); + ret = pciirq; out: return ret; } @@ -548,12 +542,17 @@ out: int ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d) { u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; + hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; int ret; - ret = do_ide_setup_pci_device(dev, d, &idx[0], 1); + ret = do_ide_setup_pci_device(dev, d, 1); + + if (ret >= 0) { + /* FIXME: silent failure can happen */ + ide_pci_setup_ports(dev, d, ret, &idx[0], &hw[0], &hws[0]); - if (ret >= 0) - ide_device_add(idx, d); + ide_device_add(idx, d, hws); + } return ret; } @@ -564,19 +563,25 @@ int ide_setup_pci_devices(struct pci_dev *dev1, struct pci_dev *dev2, { struct pci_dev *pdev[] = { dev1, dev2 }; int ret, i; + hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; for (i = 0; i < 2; i++) { - ret = do_ide_setup_pci_device(pdev[i], d, &idx[i*2], !i); + ret = do_ide_setup_pci_device(pdev[i], d, !i); + /* * FIXME: Mom, mom, they stole me the helper function to undo * do_ide_setup_pci_device() on the first device! */ if (ret < 0) goto out; + + /* FIXME: silent failure can happen */ + ide_pci_setup_ports(pdev[i], d, ret, &idx[i*2], &hw[i*2], + &hws[i*2]); } - ide_device_add(idx, d); + ide_device_add(idx, d, hws); out: return ret; }