From: Matt Porter <mporter@kernel.crashing.org>
To: akpm@osdl.org, torvalds@osdl.org
Cc: linux-kernel@vger.kernel.org, linuxppc-embedded@ozlabs.org,
cwernham@airspan.com
Subject: [PATCH][PPC32] PPC4XX DMA polarity init fix
Date: Wed, 15 Dec 2004 11:59:44 -0700 [thread overview]
Message-ID: <20041215115944.B3696@home.com> (raw)
[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@airspan.com>
Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
===== 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
reply other threads:[~2004-12-15 18:59 UTC|newest]
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