[PATCHv3,5/7] iommu: arm-smmu-impl: Convert to use of_match_node() for qcom impl

Message ID eac57bb8a99f811a47242a216343b8aadb4b1677.1593344119.git.saiprakash.ranjan@codeaurora.org
State New
Headers show
Series
  • System Cache support for GPU and required SMMU support
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Commit Message

Sai Prakash Ranjan June 29, 2020, 3:52 p.m.
Use of_match_node() to match qcom implementation instead
of multiple of_device_compatible() calls for each qcom
implementation.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
---
 drivers/iommu/arm-smmu-impl.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/iommu/arm-smmu-impl.c b/drivers/iommu/arm-smmu-impl.c
index 8fbab9c38b61..42020d50ce12 100644
--- a/drivers/iommu/arm-smmu-impl.c
+++ b/drivers/iommu/arm-smmu-impl.c
@@ -9,6 +9,12 @@ 
 
 #include "arm-smmu.h"
 
+static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
+	{ .compatible = "qcom,sc7180-smmu-500" },
+	{ .compatible = "qcom,sdm845-smmu-500" },
+	{ }
+};
+
 static int arm_smmu_gr0_ns(int offset)
 {
 	switch (offset) {
@@ -168,8 +174,7 @@  struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu)
 	if (of_property_read_bool(np, "calxeda,smmu-secure-config-access"))
 		smmu->impl = &calxeda_impl;
 
-	if (of_device_is_compatible(np, "qcom,sdm845-smmu-500") ||
-	    of_device_is_compatible(np, "qcom,sc7180-smmu-500"))
+	if (of_match_node(qcom_smmu_impl_of_match, np))
 		return qcom_smmu_impl_init(smmu);
 
 	if (of_device_is_compatible(smmu->dev->of_node, "qcom,adreno-smmu"))