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Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pci.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e7dfcd44757..8f30736dbf3 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -825,6 +825,19 @@ EXPORT_SYMBOL(pci_choose_state);
#define pcie_cap_has_sltctl2(type, flags) \
((flags & PCI_EXP_FLAGS_VERS) > 1)
+static struct pci_cap_saved_state *pci_find_saved_cap(
+ struct pci_dev *pci_dev, char cap)
+{
+ struct pci_cap_saved_state *tmp;
+ struct hlist_node *pos;
+
+ hlist_for_each_entry(tmp, pos, &pci_dev->saved_cap_space, next) {
+ if (tmp->cap.cap_nr == cap)
+ return tmp;
+ }
+ return NULL;
+}
+
static int pci_save_pcie_state(struct pci_dev *dev)
{
int pos, i = 0;
@@ -1869,6 +1882,12 @@ void platform_pci_wakeup_init(struct pci_dev *dev)
platform_pci_sleep_wake(dev, false);
}
+static void pci_add_saved_cap(struct pci_dev *pci_dev,
+ struct pci_cap_saved_state *new_cap)
+{
+ hlist_add_head(&new_cap->next, &pci_dev->saved_cap_space);
+}
+
/**
* pci_add_save_buffer - allocate buffer for saving given capability registers
* @dev: the PCI device