diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 4b0f1ae31a4..e30d8fe4e4b 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1461,10 +1461,6 @@ and is between 256 and 4096 characters. It is defined in the file nomsi [MSI] If the PCI_MSI kernel config parameter is enabled, this kernel boot option can be used to disable the use of MSI interrupts system-wide. - nosort [X86-32] Don't sort PCI devices according to - order given by the PCI BIOS. This sorting is - done to get a device order compatible with - older kernels. biosirq [X86-32] Use PCI BIOS calls to get the interrupt routing table. These calls are known to be buggy on several machines and they hang the machine diff --git a/arch/frv/mb93090-mb00/pci-frv.h b/arch/frv/mb93090-mb00/pci-frv.h index 7481797ab38..0c7bf39dc72 100644 --- a/arch/frv/mb93090-mb00/pci-frv.h +++ b/arch/frv/mb93090-mb00/pci-frv.h @@ -17,8 +17,6 @@ #define PCI_PROBE_BIOS 0x0001 #define PCI_PROBE_CONF1 0x0002 #define PCI_PROBE_CONF2 0x0004 -#define PCI_NO_SORT 0x0100 -#define PCI_BIOS_SORT 0x0200 #define PCI_NO_CHECKS 0x0400 #define PCI_ASSIGN_ROMS 0x1000 #define PCI_BIOS_IRQ_SCAN 0x2000 diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.h b/arch/mn10300/unit-asb2305/pci-asb2305.h index 84634fa3bce..9763d1ce343 100644 --- a/arch/mn10300/unit-asb2305/pci-asb2305.h +++ b/arch/mn10300/unit-asb2305/pci-asb2305.h @@ -23,8 +23,6 @@ #define PCI_PROBE_BIOS 1 #define PCI_PROBE_CONF1 2 #define PCI_PROBE_CONF2 4 -#define PCI_NO_SORT 0x100 -#define PCI_BIOS_SORT 0x200 #define PCI_NO_CHECKS 0x400 #define PCI_ASSIGN_ROMS 0x1000 #define PCI_BIOS_IRQ_SCAN 0x2000 diff --git a/arch/sh/drivers/pci/pci-sh4.h b/arch/sh/drivers/pci/pci-sh4.h index 07e29506080..a83dcf70c13 100644 --- a/arch/sh/drivers/pci/pci-sh4.h +++ b/arch/sh/drivers/pci/pci-sh4.h @@ -15,8 +15,6 @@ #define PCI_PROBE_BIOS 1 #define PCI_PROBE_CONF1 2 #define PCI_PROBE_CONF2 4 -#define PCI_NO_SORT 0x100 -#define PCI_BIOS_SORT 0x200 #define PCI_NO_CHECKS 0x400 #define PCI_ASSIGN_ROMS 0x1000 #define PCI_BIOS_IRQ_SCAN 0x2000 diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 7b6e3bb9b28..c9ff4ff6673 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -427,10 +427,6 @@ static int __init pcibios_init(void) if (pci_bf_sort >= pci_force_bf) pci_sort_breadthfirst(); -#ifdef CONFIG_PCI_BIOS - if ((pci_probe & PCI_BIOS_SORT) && !(pci_probe & PCI_NO_SORT)) - pcibios_sort(); -#endif return 0; } @@ -455,9 +451,6 @@ char * __devinit pcibios_setup(char *str) } else if (!strcmp(str, "nobios")) { pci_probe &= ~PCI_PROBE_BIOS; return NULL; - } else if (!strcmp(str, "nosort")) { - pci_probe |= PCI_NO_SORT; - return NULL; } else if (!strcmp(str, "biosirq")) { pci_probe |= PCI_BIOS_IRQ_SCAN; return NULL; diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c index 2f7109ac4c1..37472fc6f72 100644 --- a/arch/x86/pci/pcbios.c +++ b/arch/x86/pci/pcbios.c @@ -152,28 +152,6 @@ static int __devinit check_pcibios(void) return 0; } -static int __devinit pci_bios_find_device (unsigned short vendor, unsigned short device_id, - unsigned short index, unsigned char *bus, unsigned char *device_fn) -{ - unsigned short bx; - unsigned short ret; - - __asm__("lcall *(%%edi); cld\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" - : "=b" (bx), - "=a" (ret) - : "1" (PCIBIOS_FIND_PCI_DEVICE), - "c" (device_id), - "d" (vendor), - "S" ((int) index), - "D" (&pci_indirect)); - *bus = (bx >> 8) & 0xff; - *device_fn = bx & 0xff; - return (int) (ret & 0xff00) >> 8; -} - static int pci_bios_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { @@ -363,55 +341,6 @@ static struct pci_raw_ops * __devinit pci_find_bios(void) return NULL; } -/* - * Sort the device list according to PCI BIOS. Nasty hack, but since some - * fool forgot to define the `correct' device order in the PCI BIOS specs - * and we want to be (possibly bug-to-bug ;-]) compatible with older kernels - * which used BIOS ordering, we are bound to do this... - */ - -void __devinit pcibios_sort(void) -{ - LIST_HEAD(sorted_devices); - struct list_head *ln; - struct pci_dev *dev, *d; - int idx, found; - unsigned char bus, devfn; - - DBG("PCI: Sorting device list...\n"); - while (!list_empty(&pci_devices)) { - ln = pci_devices.next; - dev = pci_dev_g(ln); - idx = found = 0; - while (pci_bios_find_device(dev->vendor, dev->device, idx, &bus, &devfn) == PCIBIOS_SUCCESSFUL) { - idx++; - list_for_each(ln, &pci_devices) { - d = pci_dev_g(ln); - if (d->bus->number == bus && d->devfn == devfn) { - list_move_tail(&d->global_list, &sorted_devices); - if (d == dev) - found = 1; - break; - } - } - if (ln == &pci_devices) { - printk(KERN_WARNING "PCI: BIOS reporting unknown device %02x:%02x\n", bus, devfn); - /* - * We must not continue scanning as several buggy BIOSes - * return garbage after the last device. Grr. - */ - break; - } - } - if (!found) { - printk(KERN_WARNING "PCI: Device %s not found by BIOS\n", - pci_name(dev)); - list_move_tail(&dev->global_list, &sorted_devices); - } - } - list_splice(&sorted_devices, &pci_devices); -} - /* * BIOS Functions for IRQ Routing */ @@ -495,7 +424,6 @@ void __init pci_pcbios_init(void) { if ((pci_probe & PCI_PROBE_BIOS) && ((raw_pci_ops = pci_find_bios()))) { - pci_probe |= PCI_BIOS_SORT; pci_bios_present = 1; } } diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h index 3431518d921..02b016a9842 100644 --- a/arch/x86/pci/pci.h +++ b/arch/x86/pci/pci.h @@ -19,8 +19,6 @@ #define PCI_PROBE_MASK 0x000f #define PCI_PROBE_NOEARLY 0x0010 -#define PCI_NO_SORT 0x0100 -#define PCI_BIOS_SORT 0x0200 #define PCI_NO_CHECKS 0x0400 #define PCI_USE_PIRQ_MASK 0x0800 #define PCI_ASSIGN_ROMS 0x1000 @@ -101,7 +99,6 @@ extern int pci_direct_probe(void); extern void pci_direct_init(int type); extern void pci_pcbios_init(void); extern void pci_mmcfg_init(int type); -extern void pcibios_sort(void); /* pci-mmconfig.c */ diff --git a/include/asm-sh/mpc1211/pci.h b/include/asm-sh/mpc1211/pci.h index 5d3712c3a70..d9162c5ed76 100644 --- a/include/asm-sh/mpc1211/pci.h +++ b/include/asm-sh/mpc1211/pci.h @@ -24,8 +24,6 @@ #define PCI_PROBE_BIOS 1 #define PCI_PROBE_CONF1 2 #define PCI_PROBE_CONF2 4 -#define PCI_NO_SORT 0x100 -#define PCI_BIOS_SORT 0x200 #define PCI_NO_CHECKS 0x400 #define PCI_ASSIGN_ROMS 0x1000 #define PCI_BIOS_IRQ_SCAN 0x2000