[PATCH/RFC] iommu/ipmmu-vmsa: R-Car M3-N/V3H/E3 AVB whitelist prototype

[Magnus Damm]

From: Magnus Damm <d...@opensource.se>

For testing purpose enable IPMMU for Ethernet-AVB on R-Car M3-N/V3H/E3.

Not for upstream merge.

Not-Yet-Signed-off-by: Magnus Damm <d...@opensource.se>
---

 Applies on top of renesas-devel-20181019-v4.19-rc8

 drivers/iommu/ipmmu-vmsa.c |    4 ++++
 1 file changed, 4 insertions(+)

--- 0001/drivers/iommu/ipmmu-vmsa.c
+++ work/drivers/iommu/ipmmu-vmsa.c     2018-10-22 02:46:30.139880557 +0900
@@ -756,6 +756,10 @@ static int ipmmu_init_platform_device(st
 
 static bool ipmmu_slave_whitelist(struct device *dev)
 {
+       /* R-Car M3-N/V3H/E3 Ethernet-AVB */
+       if (!strcmp(dev_name(dev), "e6800000.ethernet"))
+               return true;
+
        /* By default, do not allow use of IPMMU */
        return false;
 }