[PATCH] Revert "arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()"

[Catalin Marinas]

On Tue, 6 Dec 2022 10:34:03 +0000, Will Deacon wrote:
> This reverts commit c44094eee32f32f175aadc0efcac449d99b1bbf7.
> 
> Although the semantics of the DMA API require only a clean operation
> here, it turns out that the Qualcomm 'qcom_q6v5_mss' remoteproc driver
> (ab)uses the DMA API for transferring the modem firmware to the secure
> world via calls to Trustzone [1].
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] Revert "arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()"
      https://git.kernel.org/arm64/c/b7d9aae40484

-- 
Catalin