add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/usb/isp1760/isp1760-core.c
..
..
@@ -120,9 +120,6 @@
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 	    (!IS_ENABLED(CONFIG_USB_ISP1761_UDC) || udc_disabled))
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 		return -ENODEV;
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-	/* prevent usb-core allocating DMA pages */
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-	dev->dma_mask = NULL;
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-
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 	isp = devm_kzalloc(dev, sizeof(*isp), GFP_KERNEL);
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 	if (!isp)
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 		return -ENOMEM;