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CRISv10: delete unused lib/dmacopy.c

This file is never built.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Jesper Nilsson <jespern@axis.com>
Rabin Vincent 10 年之前
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254a0f4135
共有 1 個文件被更改,包括 0 次插入42 次删除
  1. 0 42
      arch/cris/arch-v10/lib/dmacopy.c

+ 0 - 42
arch/cris/arch-v10/lib/dmacopy.c

@@ -1,42 +0,0 @@
-/*
- * memcpy for large blocks, using memory-memory DMA channels 6 and 7 in Etrax
- */
-
-#include <asm/svinto.h>
-#include <asm/io.h>
-
-#define D(x)
-
-void *dma_memcpy(void *pdst,
-		 const void *psrc,
-		 unsigned int pn)
-{
-	static etrax_dma_descr indma, outdma;
-
-	D(printk(KERN_DEBUG "dma_memcpy %d bytes... ", pn));
-
-#if 0
-	*R_GEN_CONFIG = genconfig_shadow =
-		(genconfig_shadow & ~0x3c0000) |
-		IO_STATE(R_GEN_CONFIG, dma6, intdma7) |
-		IO_STATE(R_GEN_CONFIG, dma7, intdma6);
-#endif
-	indma.sw_len = outdma.sw_len = pn;
-	indma.ctrl = d_eol | d_eop;
-	outdma.ctrl = d_eol;
-	indma.buf = psrc;
-	outdma.buf = pdst;
-
-	*R_DMA_CH6_FIRST = &indma;
-	*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(KERN_DEBUG "done\n"));
-}
-
-
-