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PCI Hotplug: make cpcihp driver use modern apis 

This removes the depandancy of the cpcihp driver from the PCI_LEGACY
config option by removing its usage of the pci_find_bus() function.


Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Scott Murray <scottm@somanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Greg Kroah-Hartman 2008-02-13 13:32:24 -08:00
parent 95247b57ed
commit 33ae6ef26d
2 changed files with 8 additions and 2 deletions
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2
drivers/pci/hotplug/Kconfig
View File

@ -119,7 +119,7 @@ config HOTPLUG_PCI_CPCI_ZT5550
config HOTPLUG_PCI_CPCI_GENERIC
tristate "Generic port I/O CompactPCI Hotplug driver"
depends on HOTPLUG_PCI_CPCI && X86 && PCI_LEGACY
depends on HOTPLUG_PCI_CPCI && X86
help
Say Y here if you have a CompactPCI system card that exposes the #ENUM
hotswap signal as a bit in a system register that can be read through

8
drivers/pci/hotplug/cpcihp_generic.c
View File

@ -154,12 +154,18 @@ static int __init cpcihp_generic_init(void)
if(!r)
return -EBUSY;
dev = pci_find_slot(bridge_busnr, PCI_DEVFN(bridge_slot, 0));
bus = pci_find_bus(0, bridge_busnr);
if (!bus) {
err("Invalid bus number %d", bridge_busnr);
return -EINVAL;
}
dev = pci_get_slot(bus, PCI_DEVFN(bridge_slot, 0));
if(!dev || dev->hdr_type != PCI_HEADER_TYPE_BRIDGE) {
err("Invalid bridge device %s", bridge);
return -EINVAL;
}
bus = dev->subordinate;
pci_dev_put(dev);
memset(&generic_hpc, 0, sizeof (struct cpci_hp_controller));
generic_hpc_ops.query_enum = query_enum;