D28775.diff
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	Index: sys/dev/cadence/if_cgem.c
	===================================================================
	--- sys/dev/cadence/if_cgem.c
	+++ sys/dev/cadence/if_cgem.c
	@@ -443,17 +443,13 @@
	return (err);

	/*
	- * Allocate DMA memory in non-cacheable space. We allocate transmit,
	- * receive and null descriptor queues all at once because the
	- * hardware only provides one register for the upper 32 bits of
	- * rx and tx descriptor queues hardware addresses.
	+ * Allocate DMA memory. We allocate transmit, receive and null
	+ * descriptor queues all at once because the hardware only provides
	+ * one register for the upper 32 bits of rx and tx descriptor queues
	+ * hardware addresses.
	*/
	err = bus_dmamem_alloc(sc->desc_dma_tag, (void **)&sc->rxring,
	-#ifdef __arm__
	BUS_DMA_NOWAIT \| BUS_DMA_COHERENT \| BUS_DMA_ZERO,
	-#else
	- BUS_DMA_NOWAIT \| BUS_DMA_NOCACHE \| BUS_DMA_ZERO,
	-#endif
	&sc->rxring_dma_map);
	if (err)
	return (err);