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From: Marius Strobl <marius@FreeBSD.org>
Date: Fri, 11 Mar 2011 22:25:35 +0000 (UTC)
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Subject: svn commit: r219546 - head/sys/dev/xl
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Author: marius
Date: Fri Mar 11 22:25:34 2011
New Revision: 219546
URL: http://svn.freebsd.org/changeset/base/219546

Log:
  Allocate the DMA memory shared between the host and the controller as
  coherent.
  
  MFC after:	2 weeks

Modified:
  head/sys/dev/xl/if_xl.c

Modified: head/sys/dev/xl/if_xl.c
==============================================================================
--- head/sys/dev/xl/if_xl.c	Fri Mar 11 22:23:46 2011	(r219545)
+++ head/sys/dev/xl/if_xl.c	Fri Mar 11 22:25:34 2011	(r219546)
@@ -1317,8 +1317,8 @@ xl_attach(device_t dev)
 	}
 
 	error = bus_dmamem_alloc(sc->xl_ldata.xl_rx_tag,
-	    (void **)&sc->xl_ldata.xl_rx_list, BUS_DMA_NOWAIT | BUS_DMA_ZERO,
-	    &sc->xl_ldata.xl_rx_dmamap);
+	    (void **)&sc->xl_ldata.xl_rx_list, BUS_DMA_NOWAIT |
+	    BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->xl_ldata.xl_rx_dmamap);
 	if (error) {
 		device_printf(dev, "no memory for rx list buffers!\n");
 		bus_dma_tag_destroy(sc->xl_ldata.xl_rx_tag);
@@ -1349,8 +1349,8 @@ xl_attach(device_t dev)
 	}
 
 	error = bus_dmamem_alloc(sc->xl_ldata.xl_tx_tag,
-	    (void **)&sc->xl_ldata.xl_tx_list, BUS_DMA_NOWAIT | BUS_DMA_ZERO,
-	    &sc->xl_ldata.xl_tx_dmamap);
+	    (void **)&sc->xl_ldata.xl_tx_list, BUS_DMA_NOWAIT |
+	    BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc->xl_ldata.xl_tx_dmamap);
 	if (error) {
 		device_printf(dev, "no memory for list buffers!\n");
 		bus_dma_tag_destroy(sc->xl_ldata.xl_tx_tag);