diff options
Diffstat (limited to 'drivers/pci/controller/pcie-brcmstb.c')
| -rw-r--r-- | drivers/pci/controller/pcie-brcmstb.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c index cc30215f5a43..6a676bde5e2c 100644 --- a/drivers/pci/controller/pcie-brcmstb.c +++ b/drivers/pci/controller/pcie-brcmstb.c @@ -410,10 +410,10 @@ static int brcm_pcie_set_ssc(struct brcm_pcie *pcie) static void brcm_pcie_set_gen(struct brcm_pcie *pcie, int gen) { u16 lnkctl2 = readw(pcie->base + BRCM_PCIE_CAP_REGS + PCI_EXP_LNKCTL2); - u32 lnkcap = readl(pcie->base + BRCM_PCIE_CAP_REGS + PCI_EXP_LNKCAP); + u32 lnkcap = readl(pcie->base + PCIE_RC_CFG_PRIV1_LINK_CAPABILITY); lnkcap = (lnkcap & ~PCI_EXP_LNKCAP_SLS) | gen; - writel(lnkcap, pcie->base + BRCM_PCIE_CAP_REGS + PCI_EXP_LNKCAP); + writel(lnkcap, pcie->base + PCIE_RC_CFG_PRIV1_LINK_CAPABILITY); lnkctl2 = (lnkctl2 & ~0xf) | gen; writew(lnkctl2, pcie->base + BRCM_PCIE_CAP_REGS + PCI_EXP_LNKCTL2); @@ -1231,7 +1231,7 @@ static const struct of_device_id brcm_pcie_match[] = { static int brcm_pcie_probe(struct platform_device *pdev) { - struct device_node *np = pdev->dev.of_node, *msi_np; + struct device_node *np = pdev->dev.of_node; struct pci_host_bridge *bridge; const struct pcie_cfg_data *data; struct brcm_pcie *pcie; @@ -1306,9 +1306,14 @@ static int brcm_pcie_probe(struct platform_device *pdev) goto fail; } - msi_np = of_parse_phandle(pcie->np, "msi-parent", 0); - if (pci_msi_enabled() && msi_np == pcie->np) { - ret = brcm_pcie_enable_msi(pcie); + if (pci_msi_enabled()) { + struct device_node *msi_np = of_parse_phandle(pcie->np, "msi-parent", 0); + + if (msi_np == pcie->np) + ret = brcm_pcie_enable_msi(pcie); + + of_node_put(msi_np); + if (ret) { dev_err(pcie->dev, "probe of internal MSI failed"); goto fail; |