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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-02 14:29:33 +1100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-02-02 14:29:33 +1100 |
commit | 215e871aaa3d94540121a3809d80d0c5e5686e4f (patch) | |
tree | 0ed6469c5ad04db8cfa0edb58c676d5155df20cd /drivers/pci/probe.c | |
parent | b6cf160c4b788a31f6a4017a469b956ca77febf4 (diff) | |
parent | fd7d1ced29e5beb88c9068801da7a362606d8273 (diff) | |
download | linux-215e871aaa3d94540121a3809d80d0c5e5686e4f.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: (64 commits)
PCI: make pci_bus a struct device
PCI: fix codingstyle issues in include/linux/pci.h
PCI: fix codingstyle issues in drivers/pci/pci.h
PCI: PCIE ASPM support
PCI: Fix fakephp deadlock
PCI: modify SB700 SATA MSI quirk
PCI: Run ACPI _OSC method on root bridges only
PCI ACPI: AER driver should only register PCIe devices with _OSC
PCI ACPI: Added a function to register _OSC with only PCIe devices.
PCI: constify function pointer tables
PCI: Convert drivers/pci/proc.c to use unlocked_ioctl
pciehp: block new requests from the device before power off
pciehp: workaround against Bad DLLP during power off
pciehp: wait for 1000ms before LED operation after power off
PCI: Remove pci_enable_device_bars() from documentation
PCI: Remove pci_enable_device_bars()
PCI: Remove users of pci_enable_device_bars()
PCI: Add pci_enable_device_{io,mem} intefaces
PCI: avoid save the same type of cap multiple times
PCI: correctly initialize a structure for pcie_save_pcix_state()
...
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r-- | drivers/pci/probe.c | 80 |
1 files changed, 34 insertions, 46 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 5fd585293e79..8b505bd925aa 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -9,6 +9,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/cpumask.h> +#include <linux/aspm.h> #include "pci.h" #define CARDBUS_LATENCY_TIMER 176 /* secondary latency timer */ @@ -53,7 +54,7 @@ static void pci_create_legacy_files(struct pci_bus *b) b->legacy_io->attr.mode = S_IRUSR | S_IWUSR; b->legacy_io->read = pci_read_legacy_io; b->legacy_io->write = pci_write_legacy_io; - class_device_create_bin_file(&b->class_dev, b->legacy_io); + device_create_bin_file(&b->dev, b->legacy_io); /* Allocated above after the legacy_io struct */ b->legacy_mem = b->legacy_io + 1; @@ -61,15 +62,15 @@ static void pci_create_legacy_files(struct pci_bus *b) b->legacy_mem->size = 1024*1024; b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR; b->legacy_mem->mmap = pci_mmap_legacy_mem; - class_device_create_bin_file(&b->class_dev, b->legacy_mem); + device_create_bin_file(&b->dev, b->legacy_mem); } } void pci_remove_legacy_files(struct pci_bus *b) { if (b->legacy_io) { - class_device_remove_bin_file(&b->class_dev, b->legacy_io); - class_device_remove_bin_file(&b->class_dev, b->legacy_mem); + device_remove_bin_file(&b->dev, b->legacy_io); + device_remove_bin_file(&b->dev, b->legacy_mem); kfree(b->legacy_io); /* both are allocated here */ } } @@ -81,26 +82,27 @@ void pci_remove_legacy_files(struct pci_bus *bus) { return; } /* * PCI Bus Class Devices */ -static ssize_t pci_bus_show_cpuaffinity(struct class_device *class_dev, +static ssize_t pci_bus_show_cpuaffinity(struct device *dev, + struct device_attribute *attr, char *buf) { int ret; cpumask_t cpumask; - cpumask = pcibus_to_cpumask(to_pci_bus(class_dev)); + cpumask = pcibus_to_cpumask(to_pci_bus(dev)); ret = cpumask_scnprintf(buf, PAGE_SIZE, cpumask); if (ret < PAGE_SIZE) buf[ret++] = '\n'; return ret; } -CLASS_DEVICE_ATTR(cpuaffinity, S_IRUGO, pci_bus_show_cpuaffinity, NULL); +DEVICE_ATTR(cpuaffinity, S_IRUGO, pci_bus_show_cpuaffinity, NULL); /* * PCI Bus Class */ -static void release_pcibus_dev(struct class_device *class_dev) +static void release_pcibus_dev(struct device *dev) { - struct pci_bus *pci_bus = to_pci_bus(class_dev); + struct pci_bus *pci_bus = to_pci_bus(dev); if (pci_bus->bridge) put_device(pci_bus->bridge); @@ -109,7 +111,7 @@ static void release_pcibus_dev(struct class_device *class_dev) static struct class pcibus_class = { .name = "pci_bus", - .release = &release_pcibus_dev, + .dev_release = &release_pcibus_dev, }; static int __init pcibus_class_init(void) @@ -392,7 +394,6 @@ pci_alloc_child_bus(struct pci_bus *parent, struct pci_dev *bridge, int busnr) { struct pci_bus *child; int i; - int retval; /* * Allocate a new bus, and inherit stuff from the parent.. @@ -408,15 +409,12 @@ pci_alloc_child_bus(struct pci_bus *parent, struct pci_dev *bridge, int busnr) child->bus_flags = parent->bus_flags; child->bridge = get_device(&bridge->dev); - child->class_dev.class = &pcibus_class; - sprintf(child->class_dev.class_id, "%04x:%02x", pci_domain_nr(child), busnr); - retval = class_device_register(&child->class_dev); - if (retval) - goto error_register; - retval = class_device_create_file(&child->class_dev, - &class_device_attr_cpuaffinity); - if (retval) - goto error_file_create; + /* initialize some portions of the bus device, but don't register it + * now as the parent is not properly set up yet. This device will get + * registered later in pci_bus_add_devices() + */ + child->dev.class = &pcibus_class; + sprintf(child->dev.bus_id, "%04x:%02x", pci_domain_nr(child), busnr); /* * Set up the primary, secondary and subordinate @@ -434,12 +432,6 @@ pci_alloc_child_bus(struct pci_bus *parent, struct pci_dev *bridge, int busnr) bridge->subordinate = child; return child; - -error_file_create: - class_device_unregister(&child->class_dev); -error_register: - kfree(child); - return NULL; } struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr) @@ -471,8 +463,6 @@ static void pci_fixup_parent_subordinate_busnr(struct pci_bus *child, int max) } } -unsigned int pci_scan_child_bus(struct pci_bus *bus); - /* * If it's a bridge, configure it and scan the bus behind it. * For CardBus bridges, we don't scan behind as the devices will @@ -641,13 +631,13 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass (child->number > bus->subordinate) || (child->number < bus->number) || (child->subordinate < bus->number)) { - pr_debug("PCI: Bus #%02x (-#%02x) is %s" + pr_debug("PCI: Bus #%02x (-#%02x) is %s " "hidden behind%s bridge #%02x (-#%02x)\n", child->number, child->subordinate, (bus->number > child->subordinate && bus->subordinate < child->number) ? - "wholly " : " partially", - bus->self->transparent ? " transparent" : " ", + "wholly" : "partially", + bus->self->transparent ? " transparent" : "", bus->number, bus->subordinate); } bus = bus->parent; @@ -971,6 +961,7 @@ struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn) return dev; } +EXPORT_SYMBOL(pci_scan_single_device); /** * pci_scan_slot - scan a PCI slot on a bus for devices. @@ -1011,6 +1002,10 @@ int pci_scan_slot(struct pci_bus *bus, int devfn) break; } } + + if (bus->self) + pcie_aspm_init_link_state(bus->self); + return nr; } @@ -1103,32 +1098,27 @@ struct pci_bus * pci_create_bus(struct device *parent, goto dev_reg_err; b->bridge = get_device(dev); - b->class_dev.class = &pcibus_class; - sprintf(b->class_dev.class_id, "%04x:%02x", pci_domain_nr(b), bus); - error = class_device_register(&b->class_dev); + b->dev.class = &pcibus_class; + b->dev.parent = b->bridge; + sprintf(b->dev.bus_id, "%04x:%02x", pci_domain_nr(b), bus); + error = device_register(&b->dev); if (error) goto class_dev_reg_err; - error = class_device_create_file(&b->class_dev, &class_device_attr_cpuaffinity); + error = device_create_file(&b->dev, &dev_attr_cpuaffinity); if (error) - goto class_dev_create_file_err; + goto dev_create_file_err; /* Create legacy_io and legacy_mem files for this bus */ pci_create_legacy_files(b); - error = sysfs_create_link(&b->class_dev.kobj, &b->bridge->kobj, "bridge"); - if (error) - goto sys_create_link_err; - b->number = b->secondary = bus; b->resource[0] = &ioport_resource; b->resource[1] = &iomem_resource; return b; -sys_create_link_err: - class_device_remove_file(&b->class_dev, &class_device_attr_cpuaffinity); -class_dev_create_file_err: - class_device_unregister(&b->class_dev); +dev_create_file_err: + device_unregister(&b->dev); class_dev_reg_err: device_unregister(dev); dev_reg_err: @@ -1140,7 +1130,6 @@ err_out: kfree(b); return NULL; } -EXPORT_SYMBOL_GPL(pci_create_bus); struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, struct pci_ops *ops, void *sysdata) @@ -1159,7 +1148,6 @@ EXPORT_SYMBOL(pci_add_new_bus); EXPORT_SYMBOL(pci_do_scan_bus); EXPORT_SYMBOL(pci_scan_slot); EXPORT_SYMBOL(pci_scan_bridge); -EXPORT_SYMBOL(pci_scan_single_device); EXPORT_SYMBOL_GPL(pci_scan_child_bus); #endif |