1 files changed, 8 insertions, 0 deletions

diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c
index b8f411451647..382e7ecf4c82 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.c
+++ b/arch/sh/drivers/pci/pcie-sh7786.c
@@ -33,6 +33,7 @@ struct sh7786_pcie_port {
 
 static struct sh7786_pcie_port *sh7786_pcie_ports;
 static unsigned int nr_ports;
+static unsigned long dma_pfn_offset;
 
 static struct sh7786_pcie_hwops {
         int (*core_init)(void);
@@ -370,6 +371,8 @@ static int __init pcie_init(struct sh7786_pcie_port *port)
         memstart = ALIGN_DOWN(memstart, memsize);
         memsize = roundup_pow_of_two(memend - memstart);
 
+        dma_pfn_offset = memstart >> PAGE_SHIFT;
+
         /*
          * If there's more than 512MB of memory, we need to roll over to
          * LAR1/LAMR1.
@@ -485,6 +488,11 @@ int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
         return evt2irq(0xae0);
 }
 
+void pcibios_bus_add_device(struct pci_dev *pdev)
+{
+        pdev->dev.dma_pfn_offset = dma_pfn_offset;
+}
+
 static int __init sh7786_pcie_core_init(void)
 {
         /* Return the number of ports */