From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Jaewon Kim <jaewon02.kim@samsung.com>,
Andi Shyti <andi@etezian.org>, Mark Brown <broonie@kernel.org>,
Alim Akhtar <alim.akhtar@samsung.com>
Cc: linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Chanho Park <chanho61.park@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>
Subject: Re: [PATCH] spi: s3c64xx: Disable IRQ mode when using DMA
Date: Wed, 10 May 2023 14:08:05 +0200 [thread overview]
Message-ID: <ffc244d4-74cc-ab82-1479-b8a6671ecbac@linaro.org> (raw)
In-Reply-To: <20230510113942.89994-1-jaewon02.kim@samsung.com>
On 10/05/2023 13:39, Jaewon Kim wrote:
> Fixing the problem of enabling DMA mode and IRQ mode at the same time.
> In this case, a value of more than 6bits is written to RDY_LVL, it can
> cause an invasion of other registers, potentially leading to SPI
> transfer failure.
>
> Fixes: 1ee806718d5e ("spi: s3c64xx: support interrupt based pio mode")
> Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
> Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
next prev parent reply other threads:[~2023-05-10 12:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20230510120245epcas2p2cea91a04ef2fd46f0fa9f22f73c5b2eb@epcas2p2.samsung.com>
2023-05-10 11:39 ` [PATCH] spi: s3c64xx: Disable IRQ mode when using DMA Jaewon Kim
2023-05-10 12:08 ` Krzysztof Kozlowski [this message]
2023-05-11 5:40 ` Mark Brown
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