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dmaengine: xilinx: xdma: Fix regmap init error handling

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devm_regmap_init_mmio returns an ERR_PTR() upon error, not NULL.
Fix the error check and also fix the error message. Use the error code
from ERR_PTR() instead of the wrong value in ret.

Fixes: 17ce252266 ("dmaengine: xilinx: xdma: Add xilinx xdma driver")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20251014061309.283468-1-alexander.stein@ew.tq-group.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Alexander Stein 2025-10-14 08:13:08 +02:00 committed by Vinod Koul
parent 3f63297ff6
commit e0adbf74e2
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/xilinx/xdma.c
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@ -1234,8 +1234,8 @@ static int xdma_probe(struct platform_device *pdev)
xdev->rmap = devm_regmap_init_mmio(&pdev->dev, reg_base,
&xdma_regmap_config);
if (!xdev->rmap) {
xdma_err(xdev, "config regmap failed: %d", ret);
if (IS_ERR(xdev->rmap)) {
xdma_err(xdev, "config regmap failed: %pe", xdev->rmap);
goto failed;
}
INIT_LIST_HEAD(&xdev->dma_dev.channels);