X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fparisc%2Fdino.c;h=d69bde6a234305638cf8943857f4e93d7f1d6f4b;hb=dbdc8f02fe8339686623c84745ba15b0f4f889a1;hp=216d1d859326b5119c71d4fafebf649834e93613;hpb=f45adcf977ac3c5512c17fd97b073bda99c81232;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c index 216d1d8..d69bde6 100644 --- a/drivers/parisc/dino.c +++ b/drivers/parisc/dino.c @@ -5,6 +5,7 @@ ** (c) Copyright 1999 SuSE GmbH ** (c) Copyright 1999,2000 Hewlett-Packard Company ** (c) Copyright 2000 Grant Grundler +** (c) Copyright 2006 Helge Deller ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by @@ -42,7 +43,6 @@ ** for PCI drivers devices which implement/use MMIO registers. */ -#include #include #include #include @@ -180,7 +180,7 @@ static int dino_cfg_read(struct pci_bus *bus, unsigned int devfn, int where, void __iomem *base_addr = d->hba.base_addr; unsigned long flags; - DBG("%s: %p, %d, %d, %d\n", __FUNCTION__, base_addr, devfn, where, + DBG("%s: %p, %d, %d, %d\n", __func__, base_addr, devfn, where, size); spin_lock_irqsave(&d->dinosaur_pen, flags); @@ -215,7 +215,7 @@ static int dino_cfg_write(struct pci_bus *bus, unsigned int devfn, int where, void __iomem *base_addr = d->hba.base_addr; unsigned long flags; - DBG("%s: %p, %d, %d, %d\n", __FUNCTION__, base_addr, devfn, where, + DBG("%s: %p, %d, %d, %d\n", __func__, base_addr, devfn, where, size); spin_lock_irqsave(&d->dinosaur_pen, flags); @@ -287,7 +287,7 @@ DINO_PORT_OUT(b, 8, 3) DINO_PORT_OUT(w, 16, 2) DINO_PORT_OUT(l, 32, 0) -struct pci_port_ops dino_port_ops = { +static struct pci_port_ops dino_port_ops = { .inb = dino_in8, .inw = dino_in16, .inl = dino_in32, @@ -298,10 +298,11 @@ struct pci_port_ops dino_port_ops = { static void dino_disable_irq(unsigned int irq) { - struct dino_device *dino_dev = irq_desc[irq].handler_data; + struct irq_desc *desc = irq_to_desc(irq); + struct dino_device *dino_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); - DBG(KERN_WARNING "%s(0x%p, %d)\n", __FUNCTION__, dino_dev, irq); + DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq); /* Clear the matching bit in the IMR register */ dino_dev->imr &= ~(DINO_MASK_IRQ(local_irq)); @@ -310,11 +311,12 @@ static void dino_disable_irq(unsigned int irq) static void dino_enable_irq(unsigned int irq) { - struct dino_device *dino_dev = irq_desc[irq].handler_data; + struct irq_desc *desc = irq_to_desc(irq); + struct dino_device *dino_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS); u32 tmp; - DBG(KERN_WARNING "%s(0x%p, %d)\n", __FUNCTION__, dino_dev, irq); + DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq); /* ** clear pending IRQ bits @@ -340,7 +342,7 @@ static void dino_enable_irq(unsigned int irq) tmp = __raw_readl(dino_dev->hba.base_addr+DINO_ILR); if (tmp & DINO_MASK_IRQ(local_irq)) { DBG(KERN_WARNING "%s(): IRQ asserted! (ILR 0x%x)\n", - __FUNCTION__, tmp); + __func__, tmp); gsc_writel(dino_dev->txn_data, dino_dev->txn_addr); } } @@ -351,7 +353,7 @@ static unsigned int dino_startup_irq(unsigned int irq) return 0; } -static struct hw_interrupt_type dino_interrupt_type = { +static struct irq_chip dino_interrupt_type = { .typename = "GSC-PCI", .startup = dino_startup_irq, .shutdown = dino_disable_irq, @@ -368,8 +370,7 @@ static struct hw_interrupt_type dino_interrupt_type = { * ilr_loop counter is a kluge to prevent a "stuck" IRQ line from * wedging the CPU. Could be removed or made optional at some point. */ -static irqreturn_t -dino_isr(int irq, void *intr_dev, struct pt_regs *regs) +static irqreturn_t dino_isr(int irq, void *intr_dev) { struct dino_device *dino_dev = intr_dev; u32 mask; @@ -389,8 +390,8 @@ ilr_again: int local_irq = __ffs(mask); int irq = dino_dev->global_irq[local_irq]; DBG(KERN_DEBUG "%s(%d, %p) mask 0x%x\n", - __FUNCTION__, irq, intr_dev, mask); - __do_IRQ(irq, regs); + __func__, irq, intr_dev, mask); + __do_IRQ(irq); mask &= ~(1 << local_irq); } while (mask); @@ -478,7 +479,7 @@ dino_card_setup(struct pci_bus *bus, void __iomem *base_addr) res = &dino_dev->hba.lmmio_space; res->flags = IORESOURCE_MEM; size = scnprintf(name, sizeof(name), "Dino LMMIO (%s)", - bus->bridge->bus_id); + dev_name(bus->bridge)); res->name = kmalloc(size+1, GFP_KERNEL); if(res->name) strcpy((char *)res->name, name); @@ -492,12 +493,11 @@ dino_card_setup(struct pci_bus *bus, void __iomem *base_addr) struct list_head *ln, *tmp_ln; printk(KERN_ERR "Dino: cannot attach bus %s\n", - bus->bridge->bus_id); + dev_name(bus->bridge)); /* kill the bus, we can't do anything with it */ list_for_each_safe(ln, tmp_ln, &bus->devices) { struct pci_dev *dev = pci_dev_b(ln); - list_del(&dev->global_list); list_del(&dev->bus_list); } @@ -547,7 +547,7 @@ dino_card_fixup(struct pci_dev *dev) ** The additional "-1" adjusts for skewing the IRQ<->slot. */ dino_cfg_read(dev->bus, dev->devfn, PCI_INTERRUPT_PIN, 1, &irq_pin); - dev->irq = (irq_pin + PCI_SLOT(dev->devfn) - 1) % 4 ; + dev->irq = pci_swizzle_interrupt_pin(dev, irq_pin) - 1; /* Shouldn't really need to do this but it's in case someone tries ** to bypass PCI services and look at the card themselves. @@ -568,7 +568,7 @@ dino_fixup_bus(struct pci_bus *bus) int port_base = HBA_PORT_BASE(dino_dev->hba.hba_num); DBG(KERN_WARNING "%s(0x%p) bus %d platform_data 0x%p\n", - __FUNCTION__, bus, bus->secondary, + __func__, bus, bus->secondary, bus->bridge->platform_data); /* Firmware doesn't set up card-mode dino, so we have to */ @@ -587,7 +587,7 @@ dino_fixup_bus(struct pci_bus *bus) bus->resource[i+1] = &res[i]; } - } else if(bus->self) { + } else if (bus->parent) { int i; pci_read_bridge_bases(bus); @@ -611,12 +611,12 @@ dino_fixup_bus(struct pci_bus *bus) } DBG("DEBUG %s assigning %d [0x%lx,0x%lx]\n", - bus->self->dev.bus_id, i, + dev_name(&bus->self->dev), i, bus->self->resource[i].start, bus->self->resource[i].end); - pci_assign_resource(bus->self, i); + WARN_ON(pci_assign_resource(bus->self, i)); DBG("DEBUG %s after assign %d [0x%lx,0x%lx]\n", - bus->self->dev.bus_id, i, + dev_name(&bus->self->dev), i, bus->self->resource[i].start, bus->self->resource[i].end); } @@ -672,7 +672,7 @@ dino_fixup_bus(struct pci_bus *bus) dino_cfg_read(dev->bus, dev->devfn, PCI_INTERRUPT_PIN, 1, &irq_pin); - irq_pin = (irq_pin + PCI_SLOT(dev->devfn) - 1) % 4 ; + irq_pin = pci_swizzle_interrupt_pin(dev, irq_pin) - 1; printk(KERN_WARNING "Device %s has undefined IRQ, " "setting to %d\n", pci_name(dev), irq_pin); dino_cfg_write(dev->bus, dev->devfn, @@ -690,7 +690,7 @@ dino_fixup_bus(struct pci_bus *bus) } -struct pci_bios_ops dino_bios_ops = { +static struct pci_bios_ops dino_bios_ops = { .init = dino_bios_init, .fixup_bus = dino_fixup_bus }; @@ -785,7 +785,7 @@ dino_bridge_init(struct dino_device *dino_dev, const char *name) if((io_addr & (1 << i)) == 0) continue; - start = (unsigned long)(signed int)(0xf0000000 | (i << 23)); + start = F_EXTEND(0xf0000000UL) | (i << 23); end = start + 8 * 1024 * 1024 - 1; DBG("DINO RANGE %d is at 0x%lx-0x%lx\n", count, @@ -819,7 +819,9 @@ dino_bridge_init(struct dino_device *dino_dev, const char *name) result = ccio_request_resource(dino_dev->hba.dev, &res[i]); if (result < 0) { - printk(KERN_ERR "%s: failed to claim PCI Bus address space %d (0x%lx-0x%lx)!\n", name, i, res[i].start, res[i].end); + printk(KERN_ERR "%s: failed to claim PCI Bus address " + "space %d (0x%lx-0x%lx)!\n", name, i, + (unsigned long)res[i].start, (unsigned long)res[i].end); return result; } } @@ -899,7 +901,8 @@ static int __init dino_common_init(struct parisc_device *dev, if (request_resource(&ioport_resource, res) < 0) { printk(KERN_ERR "%s: request I/O Port region failed " "0x%lx/%lx (hpa 0x%p)\n", - name, res->start, res->end, dino_dev->hba.base_addr); + name, (unsigned long)res->start, (unsigned long)res->end, + dino_dev->hba.base_addr); return 1; } @@ -989,16 +992,14 @@ static int __init dino_probe(struct parisc_device *dev) */ } - dino_dev = kmalloc(sizeof(struct dino_device), GFP_KERNEL); + dino_dev = kzalloc(sizeof(struct dino_device), GFP_KERNEL); if (!dino_dev) { printk("dino_init_chip - couldn't alloc dino_device\n"); return 1; } - memset(dino_dev, 0, sizeof(struct dino_device)); - dino_dev->hba.dev = dev; - dino_dev->hba.base_addr = ioremap(hpa, 4096); + dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096); dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */ spin_lock_init(&dino_dev->dinosaur_pen); dino_dev->hba.iommu = ccio_get_iommu(dev); @@ -1018,21 +1019,22 @@ static int __init dino_probe(struct parisc_device *dev) ** It's not used to avoid chicken/egg problems ** with configuration accessor functions. */ - bus = pci_scan_bus_parented(&dev->dev, dino_current_bus, - &dino_cfg_ops, NULL); + dino_dev->hba.hba_bus = bus = pci_scan_bus_parented(&dev->dev, + dino_current_bus, &dino_cfg_ops, NULL); + if(bus) { - pci_bus_add_devices(bus); /* This code *depends* on scanning being single threaded * if it isn't, this global bus number count will fail */ dino_current_bus = bus->subordinate + 1; pci_bus_assign_resources(bus); + pci_bus_add_devices(bus); } else { - printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (probably duplicate bus number %d)\n", dev->dev.bus_id, dino_current_bus); + printk(KERN_ERR "ERROR: failed to scan PCI bus on %s (duplicate bus number %d?)\n", + dev_name(&dev->dev), dino_current_bus); /* increment the bus number in case of duplicates */ dino_current_bus++; } - dino_dev->hba.hba_bus = bus; return 0; }