Messages in this thread Patch in this message |  | | Date | Wed, 21 Aug 2002 17:59:31 -0700 | From | Hanna Linder <> | Subject | Re: PCI Cleanup |
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Here is the first part of the sh port of the pci_ops changes. If anyone can compile this for Sega let me know if there are any problems.
Thanks.
Hanna Linder hannal@us.ibm.com
ps -this patches against bk://linuxusb.bkbits.net/pci_hp-2.5
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diff -Nru a/arch/sh/kernel/pci-dc.c b/arch/sh/kernel/pci-dc.c --- a/arch/sh/kernel/pci-dc.c Wed Aug 21 17:55:02 2002 +++ b/arch/sh/kernel/pci-dc.c Wed Aug 21 17:55:02 2002 @@ -31,76 +31,58 @@ {0, 0, 0, NULL} }; -#define BBA_SELECTED(dev) (dev->bus->number==0 && dev->devfn==0) +#define BBA_SELECTED(bus,devfn) (bus->number==0 && devfn==0) -static int gapspci_read_config_byte(struct pci_dev *dev, int where, - u8 * val) +static int gapspci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * val) { - if (BBA_SELECTED(dev)) - *val = inb(GAPSPCI_BBA_CONFIG+where); - else - *val = 0xff; - + switch (size) { + case 1: + if (BBA_SELECTED(bus, devfn)) + *val = (u8)inb(GAPSPCI_BBA_CONFIG+where); + else + *val = (u8)0xff; + break; + case 2: + if (BBA_SELECTED(bus, devfn)) + *val = (u16)inw(GAPSPCI_BBA_CONFIG+where); + else + *val = (u16)0xffff; + break; + case 4: + if (BBA_SELECTED(bus, devfn)) + *val = inl(GAPSPCI_BBA_CONFIG+where); + else + *val = 0xffffffff; + break; + } return PCIBIOS_SUCCESSFUL; } -static int gapspci_read_config_word(struct pci_dev *dev, int where, - u16 * val) -{ - if (BBA_SELECTED(dev)) - *val = inw(GAPSPCI_BBA_CONFIG+where); - else - *val = 0xffff; - - return PCIBIOS_SUCCESSFUL; -} - -static int gapspci_read_config_dword(struct pci_dev *dev, int where, - u32 * val) -{ - if (BBA_SELECTED(dev)) - *val = inl(GAPSPCI_BBA_CONFIG+where); - else - *val = 0xffffffff; - - return PCIBIOS_SUCCESSFUL; -} - -static int gapspci_write_config_byte(struct pci_dev *dev, int where, - u8 val) -{ - if (BBA_SELECTED(dev)) - outb(val, GAPSPCI_BBA_CONFIG+where); - - return PCIBIOS_SUCCESSFUL; -} - - -static int gapspci_write_config_word(struct pci_dev *dev, int where, - u16 val) -{ - if (BBA_SELECTED(dev)) - outw(val, GAPSPCI_BBA_CONFIG+where); - - return PCIBIOS_SUCCESSFUL; -} - -static int gapspci_write_config_dword(struct pci_dev *dev, int where, - u32 val) +static int gapspci_write(struct pci_bus *bus, unsigned int devfn, + int where, u32 val) { - if (BBA_SELECTED(dev)) - outl(val, GAPSPCI_BBA_CONFIG+where); - - return PCIBIOS_SUCCESSFUL; + if (BBA_SELECTED(bus, devfn)) { + switch (size) { + case 1: + if (BBA_SELECTED(bus, devfn)) + outb((u8)val, GAPSPCI_BBA_CONFIG+where); + break; + case 2: + if (BBA_SELECTED(bus, devfn)) + outw((u16)val, GAPSPCI_BBA_CONFIG+where); + break; + case 4: + if (BBA_SELECTED(bus, devfn)) + outl(val, GAPSPCI_BBA_CONFIG+where); + break; + } + } + return PCIBIOS_SUCCESSFUL; } static struct pci_ops pci_config_ops = { - gapspci_read_config_byte, - gapspci_read_config_word, - gapspci_read_config_dword, - gapspci_write_config_byte, - gapspci_write_config_word, - gapspci_write_config_dword + .read = gapspci_read, + .write = gapspci_write, }; @@ -143,7 +125,7 @@ for (ln=bus->devices.next; ln != &bus->devices; ln=ln->next) { dev = pci_dev_b(ln); - if (!BBA_SELECTED(dev)) continue; + if (!BBA_SELECTED(bus, dev->devfn)) continue; printk("PCI: MMIO fixup to %s\n", dev->name); dev->resource[1].start=0x01001700; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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