From: Dmitry Osipenko <digetx@gmail.com>
To: Akhil R <akhilrajeev@nvidia.com>,
devicetree@vger.kernel.org, dmaengine@vger.kernel.org,
jonathanh@nvidia.com, kyarlagadda@nvidia.com,
ldewangan@nvidia.com, linux-kernel@vger.kernel.org,
linux-tegra@vger.kernel.org, p.zabel@pengutronix.de,
rgumasta@nvidia.com, robh+dt@kernel.org,
thierry.reding@gmail.com, vkoul@kernel.org
Cc: Pavan Kunapuli <pkunapuli@nvidia.com>
Subject: Re: [PATCH v17 2/4] dmaengine: tegra: Add tegra gpcdma driver
Date: Sun, 30 Jan 2022 13:08:43 +0300 [thread overview]
Message-ID: <d45b57c7-2dc0-d971-42ac-aa33b2ee7d6b@gmail.com> (raw)
In-Reply-To: <ba109465-d7ee-09cb-775b-9b702a3910b0@gmail.com>
30.01.2022 13:05, Dmitry Osipenko пишет:
> static int tegra_dma_device_resume(struct dma_chan *dc)
> {
> struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc);
> u32 val;
>
> if (!tdc->tdma->chip_data->hw_support_pause)
> return -ENOSYS;
>
> if (!tdc->dma_desc)
> return 0;
>
> val = tdc_read(tdc, TEGRA_GPCDMA_CHAN_CSRE);
> val &= ~TEGRA_GPCDMA_CHAN_CSRE_PAUSE;
> tdc_write(tdc, TEGRA_GPCDMA_CHAN_CSRE, val);
>
> enable_irq(tdc->irq);
Correction:
if (tdc->dma_desc) {
val = tdc_read(tdc, TEGRA_GPCDMA_CHAN_CSRE);
val &= ~TEGRA_GPCDMA_CHAN_CSRE_PAUSE;
tdc_write(tdc, TEGRA_GPCDMA_CHAN_CSRE, val);
}
enable_irq(tdc->irq);
next prev parent reply other threads:[~2022-01-30 10:08 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-29 16:40 [PATCH v17 0/4] Add NVIDIA Tegra GPC-DMA driver Akhil R
2022-01-29 16:40 ` [PATCH v17 1/4] dt-bindings: dmaengine: Add doc for tegra gpcdma Akhil R
2022-01-29 16:40 ` [PATCH v17 2/4] dmaengine: tegra: Add tegra gpcdma driver Akhil R
2022-01-30 10:05 ` Dmitry Osipenko
2022-01-30 10:08 ` Dmitry Osipenko [this message]
2022-01-30 10:13 ` Dmitry Osipenko
2022-01-30 10:17 ` Dmitry Osipenko
2022-01-30 10:26 ` Dmitry Osipenko
2022-01-30 10:33 ` Dmitry Osipenko
2022-01-30 16:43 ` Akhil R
2022-01-30 23:23 ` Dmitry Osipenko
2022-01-30 16:34 ` Akhil R
2022-01-30 23:11 ` Dmitry Osipenko
2022-01-31 4:25 ` Akhil R
2022-01-31 6:42 ` Dmitry Osipenko
2022-01-31 9:09 ` Akhil R
2022-01-31 9:16 ` Dmitry Osipenko
2022-01-31 15:38 ` Akhil R
2022-01-31 16:08 ` Dmitry Osipenko
2022-02-01 12:05 ` Akhil R
2022-02-01 13:06 ` Dmitry Osipenko
2022-01-30 10:38 ` Dmitry Osipenko
2022-01-30 10:39 ` Dmitry Osipenko
2022-01-29 16:40 ` [PATCH v17 3/4] arm64: defconfig: tegra: Enable GPCDMA Akhil R
2022-01-29 16:40 ` [PATCH v17 4/4] arm64: tegra: Add GPCDMA node for tegra186 and tegra194 Akhil R
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