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Message-Id: <1244189111-19639-24-git-send-email-vapier@gentoo.org> Date: Fri, 5 Jun 2009 04:04:32 -0400 From: Mike Frysinger <vapier@...too.org> To: linux-kernel@...r.kernel.org Cc: uclinux-dist-devel@...ckfin.uclinux.org, Robin Getz <robin.getz@...log.com> Subject: [PATCH 23/62] Blackfin: annotate anomaly 05000119 in core DMA code From: Robin Getz <robin.getz@...log.com> Add a reminder note to avoid the DMA_DONE bit in our DMA core code. Signed-off-by: Robin Getz <robin.getz@...log.com> Signed-off-by: Mike Frysinger <vapier@...too.org> --- arch/blackfin/kernel/bfin_dma_5xx.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 704419e..763ed84 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -20,6 +20,11 @@ #include <asm/dma.h> #include <asm/uaccess.h> +/* + * To make sure we work around 05000119 - we always check DMA_DONE bit, + * never the DMA_RUN bit + */ + struct dma_channel dma_ch[MAX_DMA_CHANNELS]; EXPORT_SYMBOL(dma_ch); -- 1.6.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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