修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/i2c/busses/i2c-mxs.c
..
..
@@ -842,8 +842,8 @@
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 	/* Setup the DMA */
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 	i2c->dmach = dma_request_chan(dev, "rx-tx");
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 	if (IS_ERR(i2c->dmach)) {
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-		dev_err(dev, "Failed to request dma\n");
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-		return PTR_ERR(i2c->dmach);
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+		return dev_err_probe(dev, PTR_ERR(i2c->dmach),
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+				     "Failed to request dma\n");
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 	}
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 	platform_set_drvdata(pdev, i2c);