Split pci_aspm_init() body into pci_aspm_init_upstream() and pci_aspm_init_downstream() for bridge and endpoint specific code behavior. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=194895 Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx> --- drivers/pci/pcie/aspm.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index dc36717..a80d64b 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -826,6 +826,16 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev) return link; } +static int pci_aspm_init_downstream(struct pci_dev *pdev) +{ + return 0; +} + +static int pci_aspm_init_upstream(struct pci_dev *pdev) +{ + return 0; +} + /* * pci_aspm_init: Initiate PCI express link state. * It is called from device_add for every single pci device. @@ -833,7 +843,10 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev) */ int pci_aspm_init(struct pci_dev *pdev) { - return 0; + if (!pdev->has_secondary_link) + return pci_aspm_init_downstream(pdev); + + return pci_aspm_init_upstream(pdev); } /* -- 1.9.1
