Merge tag 'memory-controller-drv-tegra-5.14-3' of git://git.kernel.org/pub/scm/linux...

Memory controller drivers for v5.14 - Tegra SoC, late fixes

Two fixes for recent series of changes in Tegra SoC memory controller
drivers:
1. Add a stub for tegra_mc_probe_device() to fix compile testing of
   arm-smmu without TEGRA_MC.
2. Fix arm-smmu dtschema syntax.

* tag 'memory-controller-drv-tegra-5.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  dt-bindings: arm-smmu: Fix json-schema syntax
  memory: tegra: Add compile-test stub for tegra_mc_probe_device()

Link: https://lore.kernel.org/r/20210625073604.13562-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 1181b59..03f2b2d 100644 (file)
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -52,16 +52,14 @@ properties:
         items:
           - const: marvell,ap806-smmu-500
           - const: arm,mmu-500
-      - description: NVIDIA SoCs that program two ARM MMU-500s identically
-        items:
       - description: NVIDIA SoCs that require memory controller interaction
           and may program multiple ARM MMU-500s identically with the memory
           controller interleaving translations between multiple instances
           for improved performance.
         items:
           - enum:
-              - const: nvidia,tegra194-smmu
-              - const: nvidia,tegra186-smmu
+              - nvidia,tegra194-smmu
+              - nvidia,tegra186-smmu
           - const: nvidia,smmu-500
       - items:
           - const: arm,mmu-500

diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h
index e19c250..1066b11 100644 (file)
--- a/include/soc/tegra/mc.h
+++ b/include/soc/tegra/mc.h
@@ -237,14 +237,19 @@ unsigned int tegra_mc_get_emem_device_count(struct tegra_mc *mc);
 
 #ifdef CONFIG_TEGRA_MC
 struct tegra_mc *devm_tegra_memory_controller_get(struct device *dev);
+int tegra_mc_probe_device(struct tegra_mc *mc, struct device *dev);
 #else
 static inline struct tegra_mc *
 devm_tegra_memory_controller_get(struct device *dev)
 {
        return ERR_PTR(-ENODEV);
 }
-#endif
 
-int tegra_mc_probe_device(struct tegra_mc *mc, struct device *dev);
+static inline int
+tegra_mc_probe_device(struct tegra_mc *mc, struct device *dev)
+{
+       return -ENODEV;
+}
+#endif
 
 #endif /* __SOC_TEGRA_MC_H__ */