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authorAl Viro <viro@zeniv.linux.org.uk>2017-04-02 10:33:48 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-04-02 10:33:48 -0400
commitbee3f412d6fc94011850f16cddce745d529411a5 (patch)
tree01b1823a3bc0cb760129ed15f7ec027a36edc48b /drivers/pci/pcie/aspm.c
parentd597580d373774b1bdab84b3d26ff0b55162b916 (diff)
parent476e75a44b56038bee9207242d4bc718f6b4de06 (diff)
Merge branch 'parisc-4.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux into uaccess.parisc
Diffstat (limited to 'drivers/pci/pcie/aspm.c')
-rw-r--r--drivers/pci/pcie/aspm.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 973472c23d89..1dfa10cc566b 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -478,7 +478,7 @@ static void aspm_calc_l1ss_info(struct pcie_link_state *link,
static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist)
{
- struct pci_dev *child, *parent = link->pdev;
+ struct pci_dev *child = link->downstream, *parent = link->pdev;
struct pci_bus *linkbus = parent->subordinate;
struct aspm_register_info upreg, dwreg;
@@ -491,9 +491,7 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist)
/* Get upstream/downstream components' register state */
pcie_get_aspm_reg(parent, &upreg);
- child = pci_function_0(linkbus);
pcie_get_aspm_reg(child, &dwreg);
- link->downstream = child;
/*
* If ASPM not supported, don't mess with the clocks and link,
@@ -800,6 +798,7 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev)
INIT_LIST_HEAD(&link->children);
INIT_LIST_HEAD(&link->link);
link->pdev = pdev;
+ link->downstream = pci_function_0(pdev->subordinate);
/*
* Root Ports and PCI/PCI-X to PCIe Bridges are roots of PCIe