diff options
| -rw-r--r-- | drivers/pci/controller/pcie-rcar.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index cf8840d180c3..7583699ef7b6 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -76,7 +76,10 @@ void rcar_pcie_set_outbound(struct rcar_pcie *pcie, int win, * keeps things pretty simple. */ size = resource_size(res); - mask = (roundup_pow_of_two(size) / SZ_128) - 1; + if (size > 128) + mask = (roundup_pow_of_two(size) / SZ_128) - 1; + else + mask = 0x0; rcar_pci_write_reg(pcie, mask << 7, PCIEPAMR(win)); if (res->flags & IORESOURCE_IO) |