From: Akash Asthana <akashast@codeaurora.org>
To: Roja Rani Yarubandi <rojay@codeaurora.org>, wsa@kernel.org
Cc: swboyd@chromium.org, dianders@chromium.org,
saiprakash.ranjan@codeaurora.org, gregkh@linuxfoundation.org,
mka@chromium.org, msavaliy@qti.qualcomm.com,
skakit@codeaurora.org, pyarlaga@codeaurora.org,
rnayak@codeaurora.org, agross@kernel.org,
bjorn.andersson@linaro.org, linux-arm-msm@vger.kernel.org,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
sumit.semwal@linaro.org, linux-media@vger.kernel.org
Subject: Re: [PATCH V7 1/2] i2c: i2c-qcom-geni: Store DMA mapping data in geni_i2c_dev struct
Date: Wed, 30 Dec 2020 14:54:45 +0530 [thread overview]
Message-ID: <f8b61682-e50b-7cf2-1ab6-9ad3db9e9625@codeaurora.org> (raw)
In-Reply-To: <20201221123801.26643-2-rojay@codeaurora.org>
On 12/21/2020 6:08 PM, Roja Rani Yarubandi wrote:
> Store DMA mapping data in geni_i2c_dev struct to enhance DMA mapping
> data scope. For example during shutdown callback to unmap DMA mapping,
> this stored DMA mapping data can be used to call geni_se_tx_dma_unprep
> and geni_se_rx_dma_unprep functions.
>
> Add two helper functions geni_i2c_rx_msg_cleanup and
> geni_i2c_tx_msg_cleanup to unwrap the things after rx/tx FIFO/DMA
> transfers, so that the same can be used in geni_i2c_stop_xfer()
> function during shutdown callback.
>
> Signed-off-by: Roja Rani Yarubandi <rojay@codeaurora.org>
Reviewed-by: Akash Asthana <akashast@codeaurora.org>
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project
next prev parent reply other threads:[~2020-12-30 9:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-21 12:37 [PATCH V7 0/2] Implement Shutdown callback for geni-i2c Roja Rani Yarubandi
2020-12-21 12:38 ` [PATCH V7 1/2] i2c: i2c-qcom-geni: Store DMA mapping data in geni_i2c_dev struct Roja Rani Yarubandi
2020-12-30 9:24 ` Akash Asthana [this message]
2021-01-05 15:22 ` Wolfram Sang
2020-12-21 12:38 ` [PATCH V7 2/2] i2c: i2c-qcom-geni: Add shutdown callback for i2c Roja Rani Yarubandi
2020-12-30 9:26 ` Akash Asthana
2021-01-05 15:27 ` Wolfram Sang
2021-01-08 9:56 ` rojay
2021-01-08 10:06 ` Wolfram Sang
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