Re: [PATCH] iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag

From: Sai Prakash Ranjan
Date: Fri Jul 03 2020 - 12:52:16 EST


On 2020-07-03 21:55, Will Deacon wrote:
The IOMMU_SYS_CACHE_ONLY flag was never exposed via the DMA API and
has no in-tree users. Remove it.

Cc: Robin Murphy <robin.murphy@xxxxxxx>
Cc: "Isaac J. Manjarres" <isaacm@xxxxxxxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx>
Cc: Rob Clark <robdclark@xxxxxxxxx>
Signed-off-by: Will Deacon <will@xxxxxxxxxx>
---

As discussed in [1], sounds like this should be a domain attribute anyway
when it's needed by the GPU.

[1]
https://lore.kernel.org/r/CAF6AEGsCROVTsi2R7_aUkmH9Luoc_guMR0w0KUJc2cEgpfj79w@xxxxxxxxxxxxxx


Reviewed-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx

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