diff options
| author |   Frederick Lawler <fred@fredlawl.com> | 2018-12-09 16:45:50 -0600 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2018-12-17 14:30:31 -0600 |
| commit | 3c259a1c36636553934d01562211ee8e86fc8079 (patch) | |
| tree | cfaa17733d429295e4c374429296cab6f138791a /drivers/pci | |
| parent | Linux 4.20-rc1 (diff) | |
| download | linux-dev-3c259a1c36636553934d01562211ee8e86fc8079.tar.xz linux-dev-3c259a1c36636553934d01562211ee8e86fc8079.zip | |
PCI/ASPM: Remove unused lists from struct pcie_link_state
ASPM does not make use of the children or link LIST_HEADs declared in
struct pcie_link_state and defined in alloc_pcie_link_state(). Therefore,
remove these lists.
No functional change intended.
Signed-off-by: Frederick Lawler <fred@fredlawl.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pcie/aspm.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index dcb29cb76dc6..2330ebf6df72 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -53,8 +53,6 @@ struct pcie_link_state { struct pcie_link_state *root; /* pointer to the root port link */ struct pcie_link_state *parent; /* pointer to the parent Link state */ struct list_head sibling; /* node in link_list */ - struct list_head children; /* list of child link states */ - struct list_head link; /* node in parent's children list */ /* ASPM state */ u32 aspm_support:7; /* Supported ASPM state */ @@ -850,8 +848,6 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev) return NULL; INIT_LIST_HEAD(&link->sibling); - INIT_LIST_HEAD(&link->children); - INIT_LIST_HEAD(&link->link); link->pdev = pdev; link->downstream = pci_function_0(pdev->subordinate); @@ -877,7 +873,6 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev) link->parent = parent; link->root = link->parent->root; - list_add(&link->link, &parent->children); } list_add(&link->sibling, &link_list); @@ -1001,7 +996,6 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev) /* All functions are removed, so just disable ASPM for the link */ pcie_config_aspm_link(link, 0); list_del(&link->sibling); - list_del(&link->link); /* Clock PM is for endpoint device */ free_link_state(link); |