diff options
| -rw-r--r-- | drivers/pci/host/pci-tegra.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c index 0dadb81eca70..1d1d87e8bcbf 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -235,6 +235,7 @@ struct tegra_msi { struct irq_domain *domain; unsigned long pages; struct mutex lock; + u64 phys; int irq; }; @@ -1448,9 +1449,8 @@ static int tegra_msi_setup_irq(struct msi_controller *chip, irq_set_msi_desc(irq, desc); - msg.address_lo = virt_to_phys((void *)msi->pages); - /* 32 bit address only */ - msg.address_hi = 0; + msg.address_lo = lower_32_bits(msi->phys); + msg.address_hi = upper_32_bits(msi->phys); msg.data = hwirq; pci_write_msi_msg(irq, &msg); @@ -1499,7 +1499,6 @@ static int tegra_pcie_enable_msi(struct tegra_pcie *pcie) const struct tegra_pcie_soc *soc = pcie->soc; struct tegra_msi *msi = &pcie->msi; struct device *dev = pcie->dev; - unsigned long base; int err; u32 reg; @@ -1533,10 +1532,10 @@ static int tegra_pcie_enable_msi(struct tegra_pcie *pcie) /* setup AFI/FPCI range */ msi->pages = __get_free_pages(GFP_KERNEL, 0); - base = virt_to_phys((void *)msi->pages); + msi->phys = virt_to_phys((void *)msi->pages); - afi_writel(pcie, base >> soc->msi_base_shift, AFI_MSI_FPCI_BAR_ST); - afi_writel(pcie, base, AFI_MSI_AXI_BAR_ST); + afi_writel(pcie, msi->phys >> soc->msi_base_shift, AFI_MSI_FPCI_BAR_ST); + afi_writel(pcie, msi->phys, AFI_MSI_AXI_BAR_ST); /* this register is in 4K increments */ afi_writel(pcie, 1, AFI_MSI_BAR_SZ); |