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From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
To: linux-kernel@vger.kernel.org
Cc: linux-amarula@amarulasolutions.com,
	Dario Binacchi <dario.binacchi@amarulasolutions.com>,
	Michael Trimarchi <michael@amarulasolutions.com>,
	stable@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>, Vinod Koul <vkoul@kernel.org>,
	dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] dmaengine: mxs: fix driver registering
Date: Mon, 23 May 2022 15:22:47 +0200	[thread overview]
Message-ID: <20220523132247.1429321-1-dario.binacchi@amarulasolutions.com> (raw)

Driver registration fails on SOC imx8mn as its supplier, the clock
control module, is not ready. Since platform_driver_probe(), as
reported by its description, is incompatible with deferred probing,
we have to use platform_driver_register().

Fixes: a580b8c5429a ("dmaengine: mxs-dma: add dma support for i.MX23/28")
Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Cc: stable@vger.kernel.org

---

Changes in v2:
- Add the tag "Cc: stable@vger.kernel.org" in the sign-off area.

 drivers/dma/mxs-dma.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 994fc4d2aca4..b8a3e692330d 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -670,7 +670,7 @@ static enum dma_status mxs_dma_tx_status(struct dma_chan *chan,
 	return mxs_chan->status;
 }
 
-static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
+static int mxs_dma_init(struct mxs_dma_engine *mxs_dma)
 {
 	int ret;
 
@@ -741,7 +741,7 @@ static struct dma_chan *mxs_dma_xlate(struct of_phandle_args *dma_spec,
 				     ofdma->of_node);
 }
 
-static int __init mxs_dma_probe(struct platform_device *pdev)
+static int mxs_dma_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
 	const struct mxs_dma_type *dma_type;
@@ -839,10 +839,7 @@ static struct platform_driver mxs_dma_driver = {
 		.name	= "mxs-dma",
 		.of_match_table = mxs_dma_dt_ids,
 	},
+	.probe = mxs_dma_probe,
 };
 
-static int __init mxs_dma_module_init(void)
-{
-	return platform_driver_probe(&mxs_dma_driver, mxs_dma_probe);
-}
-subsys_initcall(mxs_dma_module_init);
+module_platform_driver(mxs_dma_driver);
-- 
2.32.0


WARNING: multiple messages have this Message-ID (diff)
From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
To: linux-kernel@vger.kernel.org
Cc: linux-amarula@amarulasolutions.com,
	Dario Binacchi <dario.binacchi@amarulasolutions.com>,
	Michael Trimarchi <michael@amarulasolutions.com>,
	stable@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Shawn Guo <shawnguo@kernel.org>, Vinod Koul <vkoul@kernel.org>,
	dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] dmaengine: mxs: fix driver registering
Date: Mon, 23 May 2022 15:22:47 +0200	[thread overview]
Message-ID: <20220523132247.1429321-1-dario.binacchi@amarulasolutions.com> (raw)

Driver registration fails on SOC imx8mn as its supplier, the clock
control module, is not ready. Since platform_driver_probe(), as
reported by its description, is incompatible with deferred probing,
we have to use platform_driver_register().

Fixes: a580b8c5429a ("dmaengine: mxs-dma: add dma support for i.MX23/28")
Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Cc: stable@vger.kernel.org

---

Changes in v2:
- Add the tag "Cc: stable@vger.kernel.org" in the sign-off area.

 drivers/dma/mxs-dma.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 994fc4d2aca4..b8a3e692330d 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -670,7 +670,7 @@ static enum dma_status mxs_dma_tx_status(struct dma_chan *chan,
 	return mxs_chan->status;
 }
 
-static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
+static int mxs_dma_init(struct mxs_dma_engine *mxs_dma)
 {
 	int ret;
 
@@ -741,7 +741,7 @@ static struct dma_chan *mxs_dma_xlate(struct of_phandle_args *dma_spec,
 				     ofdma->of_node);
 }
 
-static int __init mxs_dma_probe(struct platform_device *pdev)
+static int mxs_dma_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
 	const struct mxs_dma_type *dma_type;
@@ -839,10 +839,7 @@ static struct platform_driver mxs_dma_driver = {
 		.name	= "mxs-dma",
 		.of_match_table = mxs_dma_dt_ids,
 	},
+	.probe = mxs_dma_probe,
 };
 
-static int __init mxs_dma_module_init(void)
-{
-	return platform_driver_probe(&mxs_dma_driver, mxs_dma_probe);
-}
-subsys_initcall(mxs_dma_module_init);
+module_platform_driver(mxs_dma_driver);
-- 
2.32.0


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             reply	other threads:[~2022-05-23 13:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-23 13:22 Dario Binacchi [this message]
2022-05-23 13:22 ` [PATCH v2] dmaengine: mxs: fix driver registering Dario Binacchi

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