diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2012-04-03 05:31:53 +0400 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-05-01 00:52:43 +0400 |
| commit | 9a03d28d9490b5a04f8b1d98fc08067c6f4f6189 (patch) | |
| tree | 36449cd061e0db5ae75c6cb620f386739bc2feb8 /arch/x86/pci | |
| parent | 4fa2649a01a4357a82dcc60ef8fb7b8c441e64ed (diff) | |
| download | linux-9a03d28d9490b5a04f8b1d98fc08067c6f4f6189.tar.xz | |
x86/PCI: refactor get_current_resources()
Rename get_current_resources() to probe_pci_root_info.
1. Remove resource list head from pci_root_info
2. Make get_current_resources() not pass resources
3. Rename get_current_resources() to probe_pci_root_info()
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'arch/x86/pci')
| -rw-r--r-- | arch/x86/pci/acpi.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index a99b7d75f5ca..a858c1d9af53 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -12,7 +12,6 @@ struct pci_root_info { char *name; unsigned int res_num; struct resource *res; - struct list_head *resources; int busnum; }; @@ -287,7 +286,8 @@ static void coalesce_windows(struct pci_root_info *info, unsigned long type) } } -static void add_resources(struct pci_root_info *info) +static void add_resources(struct pci_root_info *info, + struct list_head *resources) { int i; struct resource *res, *root, *conflict; @@ -311,7 +311,7 @@ static void add_resources(struct pci_root_info *info) "ignoring host bridge window %pR (conflicts with %s %pR)\n", res, conflict->name, conflict); else - pci_add_resource(info->resources, res); + pci_add_resource(resources, res); } } @@ -323,41 +323,30 @@ static void free_pci_root_info(struct pci_root_info *info) } static void -get_current_resources(struct pci_root_info *info, - struct acpi_device *device, int busnum, - int domain, struct list_head *resources) +probe_pci_root_info(struct pci_root_info *info, struct acpi_device *device, + int busnum, int domain) { size_t size; info->bridge = device; info->res_num = 0; - info->resources = resources; acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_resource, info); if (!info->res_num) return; size = sizeof(*info->res) * info->res_num; + info->res_num = 0; info->res = kmalloc(size, GFP_KERNEL); if (!info->res) return; info->name = kasprintf(GFP_KERNEL, "PCI Bus %04x:%02x", domain, busnum); if (!info->name) - goto name_alloc_fail; + return; - info->res_num = 0; acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource, info); - - if (pci_use_crs) { - add_resources(info); - - return; - } - -name_alloc_fail: - free_pci_root_info(info); } struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root) @@ -422,15 +411,18 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root) memcpy(bus->sysdata, sd, sizeof(*sd)); kfree(sd); } else { - get_current_resources(&info, device, busnum, domain, - &resources); + probe_pci_root_info(&info, device, busnum, domain); /* * _CRS with no apertures is normal, so only fall back to * defaults or native bridge info if we're ignoring _CRS. */ - if (!pci_use_crs) + if (pci_use_crs) + add_resources(&info, &resources); + else { + free_pci_root_info(&info); x86_pci_root_bus_resources(busnum, &resources); + } bus = pci_create_root_bus(NULL, busnum, &pci_root_ops, sd, &resources); if (bus) |