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@intel.com>
git-mirror · Nov 20, 2009 · 6f82b83 · 6f82b83
1 parent 228c4f5
commit 6f82b83
Showing 1 changed file with 1 addition and 3 deletions.
diff --git 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 */