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Date: Fri, 20 Nov 2009 00:06:29 -0700 From: Dan Williams <dan.j.williams@...el.com> To: linux-kernel@...r.kernel.org Cc: linux-raid@...r.kernel.org, maciej.sosnowski@...el.com Subject: [PATCH 3/8] ioat2,3: disable asynchronous error notifications Error interrupts and error completions may cause channel hangs, so poll the channel status register after a timeout. Signed-off-by: Dan Williams <dan.j.williams@...el.com> --- drivers/dma/ioat/registers.h | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/drivers/dma/ioat/registers.h b/drivers/dma/ioat/registers.h index 63038e1..f015ec1 100644 --- a/drivers/dma/ioat/registers.h +++ b/drivers/dma/ioat/registers.h @@ -92,9 +92,7 @@ #define IOAT_CHANCTRL_ERR_COMPLETION_EN 0x0004 #define IOAT_CHANCTRL_INT_REARM 0x0001 #define IOAT_CHANCTRL_RUN (IOAT_CHANCTRL_INT_REARM |\ - IOAT_CHANCTRL_ERR_COMPLETION_EN |\ - IOAT_CHANCTRL_ANY_ERR_ABORT_EN |\ - IOAT_CHANCTRL_ERR_INT_EN) + IOAT_CHANCTRL_ANY_ERR_ABORT_EN) #define IOAT_DMA_COMP_OFFSET 0x02 /* 16-bit DMA channel compatibility */ #define IOAT_DMA_COMP_V1 0x0001 /* Compatibility with DMA version 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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