固定GMAC1 网卡名为 eth3

hc

2024-11-15 a46a1ad097419aeea7350987dd95230f50d90392

 kernel/drivers/dma/dmaengine.c
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@@ -578,7 +578,8 @@
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 	/* check if the channel supports slave transactions */
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 	if (!(test_bit(DMA_SLAVE, device->cap_mask.bits) ||
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-	      test_bit(DMA_CYCLIC, device->cap_mask.bits)))
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+	      test_bit(DMA_CYCLIC, device->cap_mask.bits) ||
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+	      test_bit(DMA_OOB, device->cap_mask.bits)))
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 		return -ENXIO;
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 	/*
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@@ -1209,6 +1210,13 @@
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 		return -EIO;
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 	}
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+	if (dma_has_cap(DMA_OOB, device->cap_mask) && !device->device_pulse_oob) {
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+		dev_err(device->dev,
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+			"Device claims capability %s, but pulse handler is not defined\n",
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+			"DMA_OOB");
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+		return -EIO;
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+	}
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+
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 	if (dma_has_cap(DMA_INTERLEAVE, device->cap_mask) && !device->device_prep_interleaved_dma) {
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 		dev_err(device->dev,
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 			"Device claims capability %s, but op is not defined\n",