[PATCH master] mci: core: allocate memory used for DMA with dma_alloc
Sascha Hauer
s.hauer at pengutronix.de
Mon Apr 22 23:26:02 PDT 2024
On Tue, 23 Apr 2024 08:04:35 +0200, Ahmad Fatoum wrote:
> Memory allocated by normal malloc may not fulfill the alignment
> requirements for DMA.
>
> This fixes memory corruption observed on the i.MX8MP when the
> DMA-enabled eSDHC driver attempts to probe an eMMC.
>
> This issues always existed, but only after commit 65ef5d885263
> ("ARM64: let 'end' point after the range in cache functions"), the whole
> 512 bytes were getting invalidated, which corrupted the TLSF malloc
> header of the block after it.
>
> [...]
Applied, thanks!
[1/1] mci: core: allocate memory used for DMA with dma_alloc
https://git.pengutronix.de/cgit/barebox/commit/?id=b986aad24ab8 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer at pengutronix.de>
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