[PATCH v2 03/10] dmaengine: imx-sdma: drop legacy device_node np check

Marco Felsch
2025-09-11T21:59:51Z

The legacy 'if (np)' was required in past where we had pdata and dt.
Nowadays the driver binds only to dt platforms. So using a new kernel
but still use pdata is not possible, therefore we can drop the legacy
'if' code path.

Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
drivers/dma/imx-sdma.c | 18 +++++++-----------
1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 56daaeb7df03986850c9c74273d0816700581dc0..dab3589e1c8d9efe06e16925c53554f8e22ce679 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -2355,11 +2355,9 @@ static int sdma_probe(struct platform_device *pdev)
vchan_init(&sdmac->vc, &sdma->dma_device);
}

- if (np) {
- sdma->iram_pool = of_gen_pool_get(np, "iram", 0);
- if (sdma->iram_pool)
- dev_info(&pdev->dev, "alloc bd from iram.\n");
- }
+ sdma->iram_pool = of_gen_pool_get(np, "iram", 0);
+ if (sdma->iram_pool)
+ dev_info(&pdev->dev, "alloc bd from iram.\n");

ret = sdma_init(sdma);
if (ret)
@@ -2399,12 +2397,10 @@ static int sdma_probe(struct platform_device *pdev)
goto err_init;
}

- if (np) {
- ret = of_dma_controller_register(np, sdma_xlate, sdma);
- if (ret) {
- dev_err(&pdev->dev, "failed to register controller\n");
- goto err_register;
- }
+ ret = of_dma_controller_register(np, sdma_xlate, sdma);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to register controller\n");
+ goto err_register;
}

/*

--
2.47.3