From: Wolfram Sang <wsa@kernel.org>
To: Robin Reckmann <robin.reckmann@googlemail.com>
Cc: "Andy Gross" <agross@kernel.org>,
"Bjorn Andersson" <bjorn.andersson@linaro.org>,
"Konrad Dybcio" <konrad.dybcio@somainline.org>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Christian König" <christian.koenig@amd.com>,
"Robin Reckmann" <robin.reckmann@gmail.com>,
linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org
Subject: Re: [PATCH] i2c: qcom-geni: Fix GPI DMA buffer sync-back
Date: Thu, 11 Aug 2022 14:14:47 +0200 [thread overview]
Message-ID: <YvTyt4nmOZqQYSCa@shikoro> (raw)
In-Reply-To: <20220807140455.409417-1-robin.reckmann@gmail.com>
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On Sun, Aug 07, 2022 at 11:04:54PM +0900, Robin Reckmann wrote:
> Fix i2c transfers using GPI DMA mode for all message types that do not set
> the I2C_M_DMA_SAFE flag (e.g. SMBus "read byte").
>
> In this case a bounce buffer is returned by i2c_get_dma_safe_msg_buf(),
> and it has to synced back to the message after the transfer is done.
>
> Add missing assignment of dma buffer in geni_i2c_gpi().
>
> Set xferred in i2c_put_dma_safe_msg_buf() to true in case of no error to
> ensure the sync-back of this dma buffer to the message.
>
> Signed-off-by: Robin Reckmann <robin.reckmann@gmail.com>
Applied to for-current, thanks!
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prev parent reply other threads:[~2022-08-11 12:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-07 14:04 [PATCH] i2c: qcom-geni: Fix GPI DMA buffer sync-back Robin Reckmann
2022-08-07 15:31 ` Caleb Connolly
2022-08-08 5:54 ` Wolfram Sang
2022-08-08 13:38 ` Robin Reckmann
2022-08-08 6:59 ` Luca Weiss
2022-08-08 11:46 ` Konrad Dybcio
2022-08-11 12:14 ` Wolfram Sang [this message]
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