From: Magnus Damm <[email protected]> Support the r8a7796 IPMMU by sharing feature flags between r8a7795 and r8a7796. Also update IOMMU_OF_DECLARE to hook up the updated compat string.
Signed-off-by: Magnus Damm <[email protected]> Reviewed-by: Geert Uytterhoeven <[email protected]> --- drivers/iommu/ipmmu-vmsa.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index 286af358d8ce..f936f834984a 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 */ }, @@ -1123,6 +1127,8 @@ IOMMU_OF_DECLARE(ipmmu_vmsa_iommu_of, "renesas,ipmmu-vmsa", ipmmu_vmsa_iommu_of_setup); IOMMU_OF_DECLARE(ipmmu_r8a7795_iommu_of, "renesas,ipmmu-r8a7795", ipmmu_vmsa_iommu_of_setup); +IOMMU_OF_DECLARE(ipmmu_r8a7796_iommu_of, "renesas,ipmmu-r8a7796", + ipmmu_vmsa_iommu_of_setup); #endif MODULE_DESCRIPTION("IOMMU API for Renesas VMSA-compatible IPMMU"); -- 2.11.0
