From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: Ludovic Desroches <ludovic.desroches@microchip.com>,
Vinod Koul <vkoul@kernel.org>, Frank Li <Frank.Li@kernel.org>,
Paul Cercueil <paul@crapouillou.net>,
Viresh Kumar <vireshk@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Paul Walmsley <pjw@kernel.org>,
Samuel Holland <samuel.holland@sifive.com>
Cc: linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org,
imx@lists.linux.dev, linux-riscv@lists.infradead.org
Subject: [PATCH] dmaengine: Convert to subsys_platform_driver()
Date: Wed, 4 Nov 2026 19:33:02 +0800 [thread overview]
Message-ID: <20261104113302.1634102-1-peng.fan@oss.nxp.com> (raw)
From: Peng Fan <peng.fan@nxp.com>
Replace the open-coded subsys_initcall()/module_exit() platform driver
registration with subsys_platform_driver().
No functional change.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
drivers/dma/at_xdmac.c | 13 +------------
drivers/dma/bestcomm/bestcomm.c | 20 +-------------------
drivers/dma/dma-jz4780.c | 13 +------------
drivers/dma/dw/platform.c | 13 +------------
drivers/dma/fsl-edma-main.c | 13 +------------
drivers/dma/mcf-edma-main.c | 13 +------------
drivers/dma/sa11x0-dma.c | 13 +------------
drivers/dma/sf-pdma/sf-pdma.c | 13 +------------
8 files changed, 8 insertions(+), 103 deletions(-)
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index d40a8b40dddc..3e83883cc17d 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -2487,18 +2487,7 @@ static struct platform_driver at_xdmac_driver = {
.pm = pm_ptr(&atmel_xdmac_dev_pm_ops),
}
};
-
-static int __init at_xdmac_init(void)
-{
- return platform_driver_register(&at_xdmac_driver);
-}
-subsys_initcall(at_xdmac_init);
-
-static void __exit at_xdmac_exit(void)
-{
- platform_driver_unregister(&at_xdmac_driver);
-}
-module_exit(at_xdmac_exit);
+subsys_platform_driver(at_xdmac_driver);
MODULE_DESCRIPTION("Atmel Extended DMA Controller driver");
MODULE_AUTHOR("Ludovic Desroches <ludovic.desroches@atmel.com>");
diff --git a/drivers/dma/bestcomm/bestcomm.c b/drivers/dma/bestcomm/bestcomm.c
index 241a91936fe8..1ec700c2c996 100644
--- a/drivers/dma/bestcomm/bestcomm.c
+++ b/drivers/dma/bestcomm/bestcomm.c
@@ -469,28 +469,10 @@ static struct platform_driver mpc52xx_bcom_of_platform_driver = {
},
};
-
-/* ======================================================================== */
-/* Module */
-/* ======================================================================== */
-
-static int __init
-mpc52xx_bcom_init(void)
-{
- return platform_driver_register(&mpc52xx_bcom_of_platform_driver);
-}
-
-static void __exit
-mpc52xx_bcom_exit(void)
-{
- platform_driver_unregister(&mpc52xx_bcom_of_platform_driver);
-}
-
/* If we're not a module, we must make sure everything is setup before */
/* anyone tries to use us ... that's why we use subsys_initcall instead */
/* of module_init. */
-subsys_initcall(mpc52xx_bcom_init);
-module_exit(mpc52xx_bcom_exit);
+subsys_platform_driver(mpc52xx_bcom_of_platform_driver);
MODULE_DESCRIPTION("Freescale MPC52xx BestComm DMA");
MODULE_AUTHOR("Sylvain Munaut <tnt@246tNt.com>");
diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
index ac2094e65ecf..57ab0f621105 100644
--- a/drivers/dma/dma-jz4780.c
+++ b/drivers/dma/dma-jz4780.c
@@ -1128,18 +1128,7 @@ static struct platform_driver jz4780_dma_driver = {
.of_match_table = jz4780_dma_dt_match,
},
};
-
-static int __init jz4780_dma_init(void)
-{
- return platform_driver_register(&jz4780_dma_driver);
-}
-subsys_initcall(jz4780_dma_init);
-
-static void __exit jz4780_dma_exit(void)
-{
- platform_driver_unregister(&jz4780_dma_driver);
-}
-module_exit(jz4780_dma_exit);
+subsys_platform_driver(jz4780_dma_driver);
MODULE_AUTHOR("Alex Smith <alex@alex-smith.me.uk>");
MODULE_DESCRIPTION("Ingenic JZ4780 DMA controller driver");
diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
index 5c1c97eb28a4..95a36af613e8 100644
--- a/drivers/dma/dw/platform.c
+++ b/drivers/dma/dw/platform.c
@@ -194,18 +194,7 @@ static struct platform_driver dw_driver = {
.acpi_match_table = ACPI_PTR(dw_dma_acpi_id_table),
},
};
-
-static int __init dw_init(void)
-{
- return platform_driver_register(&dw_driver);
-}
-subsys_initcall(dw_init);
-
-static void __exit dw_exit(void)
-{
- platform_driver_unregister(&dw_driver);
-}
-module_exit(dw_exit);
+subsys_platform_driver(dw_driver);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller platform driver");
diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c
index 630285c85482..0feb878a03ff 100644
--- a/drivers/dma/fsl-edma-main.c
+++ b/drivers/dma/fsl-edma-main.c
@@ -977,18 +977,7 @@ static struct platform_driver fsl_edma_driver = {
.probe = fsl_edma_probe,
.remove = fsl_edma_remove,
};
-
-static int __init fsl_edma_init(void)
-{
- return platform_driver_register(&fsl_edma_driver);
-}
-subsys_initcall(fsl_edma_init);
-
-static void __exit fsl_edma_exit(void)
-{
- platform_driver_unregister(&fsl_edma_driver);
-}
-module_exit(fsl_edma_exit);
+subsys_platform_driver(fsl_edma_driver);
MODULE_DESCRIPTION("Freescale eDMA engine driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/dma/mcf-edma-main.c b/drivers/dma/mcf-edma-main.c
index 9e1c6400c77b..5b72af393ec3 100644
--- a/drivers/dma/mcf-edma-main.c
+++ b/drivers/dma/mcf-edma-main.c
@@ -281,18 +281,7 @@ bool mcf_edma_filter_fn(struct dma_chan *chan, void *param)
return false;
}
EXPORT_SYMBOL(mcf_edma_filter_fn);
-
-static int __init mcf_edma_init(void)
-{
- return platform_driver_register(&mcf_edma_driver);
-}
-subsys_initcall(mcf_edma_init);
-
-static void __exit mcf_edma_exit(void)
-{
- platform_driver_unregister(&mcf_edma_driver);
-}
-module_exit(mcf_edma_exit);
+subsys_platform_driver(mcf_edma_driver);
MODULE_ALIAS("platform:mcf-edma");
MODULE_DESCRIPTION("Freescale eDMA engine driver, ColdFire family");
diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c
index a6fa431530e3..6a7a519910ec 100644
--- a/drivers/dma/sa11x0-dma.c
+++ b/drivers/dma/sa11x0-dma.c
@@ -1079,18 +1079,7 @@ static struct platform_driver sa11x0_dma_driver = {
.probe = sa11x0_dma_probe,
.remove = sa11x0_dma_remove,
};
-
-static int __init sa11x0_dma_init(void)
-{
- return platform_driver_register(&sa11x0_dma_driver);
-}
-subsys_initcall(sa11x0_dma_init);
-
-static void __exit sa11x0_dma_exit(void)
-{
- platform_driver_unregister(&sa11x0_dma_driver);
-}
-module_exit(sa11x0_dma_exit);
+subsys_platform_driver(sa11x0_dma_driver);
MODULE_AUTHOR("Russell King");
MODULE_DESCRIPTION("SA-11x0 DMA driver");
diff --git a/drivers/dma/sf-pdma/sf-pdma.c b/drivers/dma/sf-pdma/sf-pdma.c
index 6f79cc28703e..c7d6774d0970 100644
--- a/drivers/dma/sf-pdma/sf-pdma.c
+++ b/drivers/dma/sf-pdma/sf-pdma.c
@@ -639,19 +639,8 @@ static struct platform_driver sf_pdma_driver = {
},
};
-static int __init sf_pdma_init(void)
-{
- return platform_driver_register(&sf_pdma_driver);
-}
-
-static void __exit sf_pdma_exit(void)
-{
- platform_driver_unregister(&sf_pdma_driver);
-}
-
/* do early init */
-subsys_initcall(sf_pdma_init);
-module_exit(sf_pdma_exit);
+subsys_platform_driver(sf_pdma_driver);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("SiFive Platform DMA driver");
--
2.51.0
next reply other threads:[~2026-11-04 11:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-04 11:33 Peng Fan (OSS) [this message]
2026-11-04 12:00 ` Andy Shevchenko
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