From: Sascha Hauer <sha@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: barebox@lists.infradead.org, jmaselbas@zdiv.net, ore@pengutronix.de
Subject: Re: [PATCH master 0/2] mci: sdhci: fix memory corruption on DMA
Date: Tue, 12 Sep 2023 11:19:13 +0200 [thread overview]
Message-ID: <20230912091913.GT637806@pengutronix.de> (raw)
In-Reply-To: <20230911121156.2632668-1-a.fatoum@pengutronix.de>
On Mon, Sep 11, 2023 at 02:11:54PM +0200, Ahmad Fatoum wrote:
> Recent changes to teach SDHCI 64-bit support inadvertently changed
> the address used for cache maintenance away from the DMA buffer address
> with the result that unrelated cache lines were dropped and memory
> corruption. This series fixes this. I must admit I don't understand
> how the SDMA boundary mechanism works, so I did not change too much
> about it.
>
> Ahmad Fatoum (2):
> mci: sdhci: unmap the DMA buffers actually used
> mci: sdhci: hardcode SDMA boundary for DMA
Applied, thanks
Sascha
>
> drivers/mci/sdhci.c | 9 ++-------
> drivers/mci/sdhci.h | 3 +++
> 2 files changed, 5 insertions(+), 7 deletions(-)
>
> --
> 2.39.2
>
>
>
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prev parent reply other threads:[~2023-09-12 9:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-11 12:11 Ahmad Fatoum
2023-09-11 12:11 ` [PATCH master 1/2] mci: sdhci: unmap the DMA buffers actually used Ahmad Fatoum
2023-09-11 12:11 ` [PATCH master 2/2] mci: sdhci: hardcode SDMA boundary for DMA Ahmad Fatoum
2023-09-12 9:19 ` Sascha Hauer [this message]
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