AcoSail/kernel_optimize_test
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Merge branch 'acpi-resources'

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* acpi-resources:
  x86/PCI/ACPI: Relax ACPI resource descriptor checks to work around BIOS bugs
  x86/PCI/ACPI: Ignore resources consumed by host bridge itself
  PCI: versatile: Update for list_for_each_entry() API change
This commit is contained in:
Rafael J. Wysocki 2015-03-05 23:14:40 +01:00
commit 8204680c7b
3 changed files with 12 additions and 5 deletions
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11
arch/x86/pci/acpi.c
View File

@ -331,7 +331,7 @@ static void probe_pci_root_info(struct pci_root_info *info,
struct list_head *list)
{
int ret;
struct resource_entry *entry;
struct resource_entry *entry, *tmp;
sprintf(info->name, "PCI Bus %04x:%02x", domain, busnum);
info->bridge = device;
@ -345,8 +345,13 @@ static void probe_pci_root_info(struct pci_root_info *info,
dev_dbg(&device->dev,
"no IO and memory resources present in _CRS\n");
else
resource_list_for_each_entry(entry, list)
entry->res->name = info->name;
resource_list_for_each_entry_safe(entry, tmp, list) {
if ((entry->res->flags & IORESOURCE_WINDOW) == 0 ||
(entry->res->flags & IORESOURCE_DISABLED))
resource_list_destroy_entry(entry);
else
entry->res->name = info->name;
}
}
struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)

4
drivers/acpi/resource.c
View File

@ -42,8 +42,10 @@ static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io)
* CHECKME: len might be required to check versus a minimum
* length as well. 1 for io is fine, but for memory it does
* not make any sense at all.
* Note: some BIOSes report incorrect length for ACPI address space
* descriptor, so remove check of 'reslen == len' to avoid regression.
*/
if (len && reslen && reslen == len && start <= end)
if (len && reslen && start <= end)
return true;
pr_debug("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n",

2
drivers/pci/host/pci-versatile.c
View File

@ -80,7 +80,7 @@ static int versatile_pci_parse_request_of_pci_ranges(struct device *dev,
if (err)
return err;
resource_list_for_each_entry(win, res, list) {
resource_list_for_each_entry(win, res) {
struct resource *parent, *res = win->res;
switch (resource_type(res)) {