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 its 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
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
V2: - s/it's/its/ in commit message
- Add R-B from Geert
---
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 989b7b73ed61..75ac83f21035 100644
--- a/drivers/pci/controller/pcie-rcar.c
+++ b/drivers/pci/controller/pcie-rcar.c
@@ -889,7 +889,7 @@ 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);
@@ -931,7 +931,7 @@ 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
