[PATCH][PPC32] PPC4XX DMA polarity init fix

From: Matt Porter
Date: Wed Dec 15 2004 - 14:02:01 EST


[Clear bug fix, hopefully it can go in before 2.6.10]

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@xxxxxxxxxxx>
Signed-off-by: Matt Porter <mporter@xxxxxxxxxxxxxxxxxxx>

===== arch/ppc/syslib/ppc4xx_dma.c 1.8 vs edited =====
--- 1.8/arch/ppc/syslib/ppc4xx_dma.c 2004-08-07 11:05:39 -07:00
+++ edited/arch/ppc/syslib/ppc4xx_dma.c 2004-12-15 11:58:16 -07:00
@@ -466,7 +466,7 @@

/* 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
-
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