patch-2.4.22 linux-2.4.22/arch/cris/lib/dmacopy.c
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- Lines: 35
- Date:
2003-08-25 04:44:39.000000000 -0700
- Orig file:
linux-2.4.21/arch/cris/lib/dmacopy.c
- Orig date:
2001-02-08 16:32:44.000000000 -0800
diff -urN linux-2.4.21/arch/cris/lib/dmacopy.c linux-2.4.22/arch/cris/lib/dmacopy.c
@@ -1,5 +1,4 @@
-/* $Id: dmacopy.c,v 1.1 2000/07/10 16:25:21 bjornw Exp $
- *
+/*
* memcpy for large blocks, using memory-memory DMA channels 6 and 7 in Etrax
*/
@@ -13,11 +12,11 @@
unsigned int pn)
{
static etrax_dma_descr indma, outdma;
-
+
D(printk("dma_memcpy %d bytes... ", pn));
#if 0
- *R_GEN_CONFIG = genconfig_shadow =
+ *R_GEN_CONFIG = genconfig_shadow =
(genconfig_shadow & ~0x3c0000) |
IO_STATE(R_GEN_CONFIG, dma6, intdma7) |
IO_STATE(R_GEN_CONFIG, dma7, intdma6);
@@ -32,12 +31,9 @@
*R_DMA_CH7_FIRST = &outdma;
*R_DMA_CH6_CMD = IO_STATE(R_DMA_CH6_CMD, cmd, start);
*R_DMA_CH7_CMD = IO_STATE(R_DMA_CH7_CMD, cmd, start);
-
+
while(*R_DMA_CH7_CMD == 1) /* wait for completion */ ;
D(printk("done\n"));
}
-
-
-
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