[PATCH]PPC4XX DMA polarity init fix kernel 2.6.9

[Colin Wernham]

This patch applies to the kernel 2.6.9 and fixes the initialisation of 
the DMA channel polarity in the function ppc4xx_init_dma_channel() for 
the PPC 4XX processor.

Signed-off-by: Colin P Wernham <cwernham at airspan.com>

--- /home/cwernham/work/linux-2.6.9.old/arch/ppc/syslib/ppc4xx_dma.c 
2004-10-18 22:55:35.000000000 +0100
+++ arch/ppc/syslib/ppc4xx_dma.c	2004-12-10 09:19:19.000000000 +0000
@@ -466,7 +466,7 @@ ppc4xx_init_dma_channel(unsigned int dma

  	/* clear all polarity signals and then "or" in new signal levels */
  	polarity &= ~GET_DMA_POLARITY(dmanr);
-	polarity |= p_dma_ch->polarity;
+	polarity |= p_init->polarity;
  #if DCRN_POL > 0
  	mtdcr(DCRN_POL, polarity);
  #endif