dmaengine Archive on lore.kernel.org
 help / color / Atom feed
From: Robin Gong <yibin.gong@nxp.com>
To: vkoul@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org,
	s.hauer@pengutronix.de, festevam@gmail.com,
	catalin.marinas@arm.com, will@kernel.org,
	dan.j.williams@intel.com, angelo@sysam.it
Cc: kernel@pengutronix.de, linux-imx@nxp.com,
	dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/9] dmaengine: fsl-edma-common: add condition check for fsl_edma_chan_mux
Date: Wed, 15 Jul 2020 01:41:41 +0800
Message-ID: <1594748508-22179-3-git-send-email-yibin.gong@nxp.com> (raw)
In-Reply-To: <1594748508-22179-1-git-send-email-yibin.gong@nxp.com>

Since next edma3 don't have dmamux, add condition check in the common
fsl_edma_free_chan_resources().

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
---
 drivers/dma/fsl-edma-common.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c
index ef5294f0..d19e8a8 100644
--- a/drivers/dma/fsl-edma-common.c
+++ b/drivers/dma/fsl-edma-common.c
@@ -642,7 +642,10 @@ void fsl_edma_free_chan_resources(struct dma_chan *chan)
 
 	spin_lock_irqsave(&fsl_chan->vchan.lock, flags);
 	fsl_chan->edma->drvdata->dis_req(fsl_chan);
-	fsl_edma_chan_mux(fsl_chan, 0, false);
+
+	if (fsl_chan->edma->drvdata->dmamuxs)
+		fsl_edma_chan_mux(fsl_chan, 0, false);
+
 	fsl_chan->edesc = NULL;
 	vchan_get_all_descriptors(&fsl_chan->vchan, &head);
 	fsl_edma_unprep_slave_dma(fsl_chan);
-- 
2.7.4


  parent reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14 17:41 [PATCH v2 0/9] add fsl-edma3 support Robin Gong
2020-07-14 17:41 ` [PATCH v2 1/9] dmaengine: fsl-edma: move edma_request functions into drvdata Robin Gong
2020-07-14 17:41 ` Robin Gong [this message]
2020-07-14 17:41 ` [PATCH v2 3/9] dmaengine: fsl-edma-common: add fsl_chan into fsl_edma_fill_tcd Robin Gong
2020-07-14 17:41 ` [PATCH v2 4/9] dmaengine: fsl-edma-common: export fsl_edma_set_tcd_regs Robin Gong
2020-07-14 17:41 ` [PATCH v2 5/9] dmaengine: fsl-edma3: add fsl-edma3 driver Robin Gong
2020-07-14 17:41 ` [PATCH v2 6/9] dt-bindings: dma: add fsl-edma3 yaml Robin Gong
2020-07-16 19:47   ` Rob Herring
2020-07-24 10:13     ` Robin Gong
2020-07-14 17:41 ` [PATCH v2 7/9] firmware: imx: scu-pd: correct dma resource Robin Gong
2020-07-14 17:41 ` [PATCH v2 8/9] arm64: dts: imx8qxp: add edma2 Robin Gong
2020-07-14 17:41 ` [PATCH v2 9/9] arm64: defconfig: add CONFIG_FSL_EDMA3 Robin Gong

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1594748508-22179-3-git-send-email-yibin.gong@nxp.com \
    --to=yibin.gong@nxp.com \
    --cc=angelo@sysam.it \
    --cc=catalin.marinas@arm.com \
    --cc=dan.j.williams@intel.com \
    --cc=devicetree@vger.kernel.org \
    --cc=dmaengine@vger.kernel.org \
    --cc=festevam@gmail.com \
    --cc=kernel@pengutronix.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-imx@nxp.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=robh+dt@kernel.org \
    --cc=s.hauer@pengutronix.de \
    --cc=shawnguo@kernel.org \
    --cc=vkoul@kernel.org \
    --cc=will@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

dmaengine Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/dmaengine/0 dmaengine/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dmaengine dmaengine/ https://lore.kernel.org/dmaengine \
		dmaengine@vger.kernel.org
	public-inbox-index dmaengine

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.dmaengine


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git