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

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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 <[email protected]>
[[email protected]: fix build failure on 64-bit ARM]
Signed-off-by: Thierry Reding <[email protected]>
This commit is contained in:
Russell King 2015-07-27 13:29:36 +01:00 • committed by Thierry Reding
commit 4b3c7d1076
5 changed files with 25 additions and 76 deletions
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7
include/soc/tegra/mc.h
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@ -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;