From: Dmitry Osipenko <digetx@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>,
thierry.reding@gmail.com, jonathanh@nvidia.com,
mkarthik@nvidia.com, smohammed@nvidia.com, talho@nvidia.com
Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-i2c@vger.kernel.org
Subject: Re: [PATCH V14 3/5] i2c: tegra: Add DMA support
Date: Thu, 7 Feb 2019 21:24:11 +0300 [thread overview]
Message-ID: <5483b9d5-816f-3969-2d1e-9712d93dd0a6@gmail.com> (raw)
In-Reply-To: <1549480569-24860-3-git-send-email-skomatineni@nvidia.com>
06.02.2019 22:16, Sowjanya Komatineni пишет:
> + if (i2c_dev->msg_read && i2c_dev->msg_err == I2C_ERR_NONE) {
> + dma_sync_single_for_cpu(i2c_dev->dev,
> + i2c_dev->dma_phys,
> + xfer_size,
> + DMA_FROM_DEVICE);
> + memcpy(i2c_dev->msg_buf, i2c_dev->dma_buf,
> + msg->len);
> + }
> +
> + if (i2c_dev->msg_err != I2C_ERR_NONE) {
> + dmaengine_synchronize(i2c_dev->msg_read ?
> + i2c_dev->rx_dma_chan :
> + i2c_dev->tx_dma_chan);
> + }
Minor nit: parentheses are not really around the dmaengine_synchronize()
next prev parent reply other threads:[~2019-02-07 18:24 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-06 19:16 [PATCH V14 1/5] i2c: tegra: sort all the include headers alphabetically Sowjanya Komatineni
2019-02-06 19:16 ` [PATCH V14 2/5] i2c: tegra: add bus clear Master Support Sowjanya Komatineni
2019-02-07 18:26 ` Dmitry Osipenko
2019-02-06 19:16 ` [PATCH V14 3/5] i2c: tegra: Add DMA support Sowjanya Komatineni
2019-02-07 11:01 ` Thierry Reding
2019-02-07 13:57 ` Dmitry Osipenko
2019-02-07 15:23 ` Sowjanya Komatineni
2019-02-07 16:01 ` Dmitry Osipenko
2019-02-07 16:06 ` Thierry Reding
2019-02-07 16:08 ` Sowjanya Komatineni
2019-02-07 16:17 ` Dmitry Osipenko
2019-02-07 18:02 ` Sowjanya Komatineni
2019-02-07 18:22 ` Dmitry Osipenko
2019-02-07 14:52 ` Dmitry Osipenko
2019-02-07 15:11 ` Sowjanya Komatineni
2019-02-07 15:17 ` Dmitry Osipenko
2019-02-07 15:17 ` Sowjanya Komatineni
2019-02-07 15:56 ` Dmitry Osipenko
2019-02-07 16:02 ` Thierry Reding
2019-02-07 18:24 ` Dmitry Osipenko [this message]
2019-02-07 18:50 ` Dmitry Osipenko
2019-02-07 18:56 ` Sowjanya Komatineni
2019-02-07 19:03 ` Dmitry Osipenko
2019-02-07 19:14 ` Sowjanya Komatineni
2019-02-07 18:55 ` Dmitry Osipenko
2019-02-07 19:14 ` Dmitry Osipenko
2019-02-07 20:22 ` Dmitry Osipenko
2019-02-07 20:46 ` Dmitry Osipenko
2019-02-06 19:16 ` [PATCH V14 4/5] i2c: tegra: update transfer timeout Sowjanya Komatineni
2019-02-06 19:16 ` [PATCH V14 5/5] i2c: tegra: add i2c interface timing support Sowjanya Komatineni
2019-02-07 14:34 ` Dmitry Osipenko
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