iommu/tegra-smmu: Move flush_dcache to tegra-smmu.c

Drivers should not be using __cpuc_* functions nor outer_cache_flush()
directly.  This change partly cleans up tegra-smmu.c.

The only difference between cache handling of the tegra variants is
Denver, which omits the call to outer_cache_flush().  This is due to
Denver being an ARM64 CPU, and the ARM64 architecture does not provide
this function.  (This, in itself, is a good reason why these should not
be used.)

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
[treding@nvidia.com: fix build failure on 64-bit ARM]
Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h
index 1ab2813..d6c3190 100644
--- a/include/soc/tegra/mc.h
+++ b/include/soc/tegra/mc.h
@@ -51,11 +51,6 @@ struct tegra_smmu_swgroup {
 	unsigned int reg;
 };
 
-struct tegra_smmu_ops {
-	void (*flush_dcache)(struct page *page, unsigned long offset,
-			     size_t size);
-};
-
 struct tegra_smmu_soc {
 	const struct tegra_mc_client *clients;
 	unsigned int num_clients;
@@ -67,8 +62,6 @@ struct tegra_smmu_soc {
 	bool supports_request_limit;
 
 	unsigned int num_asids;
-
-	const struct tegra_smmu_ops *ops;
 };
 
 struct tegra_mc;