From: Han Xu <han.xu@nxp.com>
To: vkoul@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
esben@geanix.com, boris.brezillon@collabora.com
Cc: festevam@gmail.com, linux-imx@nxp.com, dmaengine@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, han.xu@nxp.com,
linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/6] dmaengine: mxs: add the remove function
Date: Wed, 15 Jan 2020 05:43:59 +0800 [thread overview]
Message-ID: <1579038243-28550-3-git-send-email-han.xu@nxp.com> (raw)
In-Reply-To: <1579038243-28550-1-git-send-email-han.xu@nxp.com>
add the remove function for mxs-dma
Signed-off-by: Han Xu <han.xu@nxp.com>
---
drivers/dma/mxs-dma.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 9deaaf4fc58f..b458f06f9067 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -863,6 +863,22 @@ static int mxs_dma_probe(struct platform_device *pdev)
return 0;
}
+static int mxs_dma_remove(struct platform_device *pdev)
+{
+ struct mxs_dma_engine *mxs_dma = platform_get_drvdata(pdev);
+ int i;
+
+ dma_async_device_unregister(&mxs_dma->dma_device);
+
+ for (i = 0; i < MXS_DMA_CHANNELS; i++) {
+ struct mxs_dma_chan *mxs_chan = &mxs_dma->mxs_chans[i];
+
+ tasklet_kill(&mxs_chan->tasklet);
+ }
+
+ return 0;
+}
+
static struct platform_driver mxs_dma_driver = {
.driver = {
.name = "mxs-dma",
@@ -870,6 +886,7 @@ static struct platform_driver mxs_dma_driver = {
},
.id_table = mxs_dma_ids,
.probe = mxs_dma_probe,
+ .remove = mxs_dma_remove,
};
module_platform_driver(mxs_dma_driver);
--
2.17.1
next prev parent reply other threads:[~2020-01-14 21:48 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-14 21:43 [PATCH 0/6] gpmi/mxs-dma runtime pm patch set Han Xu
2020-01-14 21:43 ` [PATCH 1/6] dmaengine: mxs: change the way to register probe function Han Xu
2020-01-14 22:13 ` Fabio Estevam
2020-01-14 21:43 ` Han Xu [this message]
2020-01-14 21:44 ` [PATCH 3/6] dmaengine: mxs: add the power management functions Han Xu
2020-01-15 8:02 ` Sascha Hauer
2020-01-16 16:36 ` Han Xu
2020-01-17 8:13 ` Sascha Hauer
2020-01-14 21:44 ` [PATCH 4/6] dmaengine: mxs: switch from dma_coherent to dma_pool Han Xu
2020-01-15 8:14 ` Sascha Hauer
2020-01-14 21:44 ` [PATCH 5/6] mtd: rawnand: gpmi: refine the runtime pm ops Han Xu
2020-01-15 8:32 ` Sascha Hauer
2020-01-14 21:44 ` [PATCH 6/6] mtd: rawnand: gpmi: set the pinctrl state for suspend/reusme Han Xu
2020-01-17 20:15 ` Esben Haabendal
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