From: Marek Vasut <marek.vasut+renesas@xxxxxxxxx> The MSI address can be 64bit. Switch the data type used to hold the result of virt_to_phys() to phys_addr_t to reflect it's properties correctly and program the top 32bits of PA into PCIEMSIAUR. Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Cc: Phil Edworthy <phil.edworthy@xxxxxxxxxxx> Cc: Simon Horman <horms+renesas@xxxxxxxxxxxx> Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx> Cc: linux-renesas-soc@xxxxxxxxxxxxxxx To: linux-pci@xxxxxxxxxxxxxxx --- drivers/pci/controller/pcie-rcar.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index 857d88fd03d5..801925a136ae 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -888,7 +888,7 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) { struct device *dev = pcie->dev; struct rcar_msi *msi = &pcie->msi; - unsigned long base; + phys_addr_t base; int err, i; mutex_init(&msi->lock); @@ -930,7 +930,7 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) base = virt_to_phys((void *)msi->pages); rcar_pci_write_reg(pcie, base | MSIFE, PCIEMSIALR); - rcar_pci_write_reg(pcie, 0, PCIEMSIAUR); + rcar_pci_write_reg(pcie, base >> 32, PCIEMSIAUR); /* enable all MSI interrupts */ rcar_pci_write_reg(pcie, 0xffffffff, PCIEMSIIER); -- 2.20.1