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authorMagnus Damm <damm+renesas@opensource.se>2018-06-14 12:48:22 +0200
committerJoerg Roedel <jroedel@suse.de>2018-07-06 14:12:27 +0200
commit0b8ac1409641e18912e5fe0accd92a5f3e2d2581 (patch)
tree8e360d5bbc4ee5715a713fb0618842f5bf23c91a /drivers/iommu/ipmmu-vmsa.c
parentddbbddd76a3fcec12fe59bb1b8b855842e1e7fe8 (diff)
downloadlinux-0b8ac1409641e18912e5fe0accd92a5f3e2d2581.tar.bz2
iommu/ipmmu-vmsa: Hook up r8a7796 DT matching code
Support the r8a7796 IPMMU by sharing feature flags between r8a7795 and r8a7796. Also update IOMMU_OF_DECLARE to hook up the updated compat string. [rebased on v4.17] Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/ipmmu-vmsa.c')
-rw-r--r--drivers/iommu/ipmmu-vmsa.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 5c1ade7e9ae4..04c801555140 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -760,8 +760,9 @@ static bool ipmmu_slave_whitelist(struct device *dev)
return false;
}
-static const struct soc_device_attribute soc_r8a7795[] = {
+static const struct soc_device_attribute soc_rcar_gen3[] = {
{ .soc_id = "r8a7795", },
+ { .soc_id = "r8a7796", },
{ /* sentinel */ }
};
@@ -769,7 +770,7 @@ static int ipmmu_of_xlate(struct device *dev,
struct of_phandle_args *spec)
{
/* For R-Car Gen3 use a white list to opt-in slave devices */
- if (soc_device_match(soc_r8a7795) && !ipmmu_slave_whitelist(dev))
+ if (soc_device_match(soc_rcar_gen3) && !ipmmu_slave_whitelist(dev))
return -ENODEV;
iommu_fwspec_add_ids(dev, spec->args, 1);
@@ -923,7 +924,7 @@ static const struct ipmmu_features ipmmu_features_default = {
.twobit_imttbcr_sl0 = false,
};
-static const struct ipmmu_features ipmmu_features_r8a7795 = {
+static const struct ipmmu_features ipmmu_features_rcar_gen3 = {
.use_ns_alias_offset = false,
.has_cache_leaf_nodes = true,
.number_of_contexts = 8,
@@ -937,7 +938,10 @@ static const struct of_device_id ipmmu_of_ids[] = {
.data = &ipmmu_features_default,
}, {
.compatible = "renesas,ipmmu-r8a7795",
- .data = &ipmmu_features_r8a7795,
+ .data = &ipmmu_features_rcar_gen3,
+ }, {
+ .compatible = "renesas,ipmmu-r8a7796",
+ .data = &ipmmu_features_rcar_gen3,
}, {
/* Terminator */
},
@@ -1114,6 +1118,7 @@ module_exit(ipmmu_exit);
IOMMU_OF_DECLARE(ipmmu_vmsa_iommu_of, "renesas,ipmmu-vmsa");
IOMMU_OF_DECLARE(ipmmu_r8a7795_iommu_of, "renesas,ipmmu-r8a7795");
+IOMMU_OF_DECLARE(ipmmu_r8a7796_iommu_of, "renesas,ipmmu-r8a7796");
MODULE_DESCRIPTION("IOMMU API for Renesas VMSA-compatible IPMMU");
MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>");