From 9546d4cdc8445acdea415f70a330bbfbd016a0f0 Mon Sep 17 00:00:00 2001 From: Dave Jiang Date: Wed, 20 Jul 2016 13:13:55 -0700 Subject: dmaengine: ioatdma: Add error handling to ioat driver Adding error handling to the ioatdma driver so that when a read/write error occurs the error results are reported back and all the remaining descriptors are aborted. This utilizes the new dmaengine callback function that allows reporting of results. Signed-off-by: Dave Jiang Reviewed-by: Lars-Peter Clausen Signed-off-by: Vinod Koul --- drivers/dma/ioat/registers.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/dma/ioat/registers.h') diff --git a/drivers/dma/ioat/registers.h b/drivers/dma/ioat/registers.h index 70534981a49b..48fa4cf9f64a 100644 --- a/drivers/dma/ioat/registers.h +++ b/drivers/dma/ioat/registers.h @@ -240,6 +240,8 @@ #define IOAT_CHANERR_DESCRIPTOR_COUNT_ERR 0x40000 #define IOAT_CHANERR_HANDLE_MASK (IOAT_CHANERR_XOR_P_OR_CRC_ERR | IOAT_CHANERR_XOR_Q_ERR) +#define IOAT_CHANERR_RECOVER_MASK (IOAT_CHANERR_READ_DATA_ERR | \ + IOAT_CHANERR_WRITE_DATA_ERR) #define IOAT_CHANERR_MASK_OFFSET 0x2C /* 32-bit Channel Error Register */ -- cgit