On 2021-02-26 14:03, Nicolas Saenz Julienne wrote:
arm-smmu can now deal with integrations on buses that don't support
64bit MMIO accesses. No need to create a special case for that on
Marvell's integration.
This breaks compatibility with existing DTs.
Robin.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulie...@suse.de>
---
drivers/iommu/arm/arm-smmu/arm-smmu-impl.c | 21 ---------------------
1 file changed, 21 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
index 136872e77195..55d40e37e144 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
@@ -145,25 +145,6 @@ static const struct arm_smmu_impl arm_mmu500_impl = {
.reset = arm_mmu500_reset,
};
-static u64 mrvl_mmu500_readq(struct arm_smmu_device *smmu, int page, int off)
-{
- /*
- * Marvell Armada-AP806 erratum #582743.
- * Split all the readq to double readl
- */
- return hi_lo_readq_relaxed(arm_smmu_page(smmu, page) + off);
-}
-
-static void mrvl_mmu500_writeq(struct arm_smmu_device *smmu, int page, int off,
- u64 val)
-{
- /*
- * Marvell Armada-AP806 erratum #582743.
- * Split all the writeq to double writel
- */
- hi_lo_writeq_relaxed(val, arm_smmu_page(smmu, page) + off);
-}
-
static int mrvl_mmu500_cfg_probe(struct arm_smmu_device *smmu)
{
@@ -181,8 +162,6 @@ static int mrvl_mmu500_cfg_probe(struct arm_smmu_device *smmu)
}
static const struct arm_smmu_impl mrvl_mmu500_impl = {
- .read_reg64 = mrvl_mmu500_readq,
- .write_reg64 = mrvl_mmu500_writeq,
.cfg_probe = mrvl_mmu500_cfg_probe,
.reset = arm_mmu500_reset,
};
