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* [PATCH] NCR5380: bit MR_DMA_MODE set twice in NCR5380_transfer_dma()
@ 2009-10-06 20:17 Roel Kluin
  2009-10-13 23:40 ` Andrew Morton
  0 siblings, 1 reply; 2+ messages in thread
From: Roel Kluin @ 2009-10-06 20:17 UTC (permalink / raw)
  To: James E.J. Bottomley, linux-scsi, Andrew Morton

Besides keeping the line short, the second setting of the
MR_DMA_MODE bit was removed.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
Please review, maybe some other bit should be set?

diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index f92da9f..5d2f148 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -1857,7 +1857,9 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance, unsigned char *phase
 #endif
 	/* KLL May need eop and parity in 53c400 */
 	if (hostdata->flags & FLAG_NCR53C400)
-		NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_ENABLE_PAR_CHECK | MR_ENABLE_PAR_INTR | MR_ENABLE_EOP_INTR | MR_DMA_MODE | MR_MONITOR_BSY);
+		NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE |
+				MR_ENABLE_PAR_CHECK | MR_ENABLE_PAR_INTR |
+				MR_ENABLE_EOP_INTR | MR_MONITOR_BSY);
 	else
 		NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE);
 #endif				/* def REAL_DMA */

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] NCR5380: bit MR_DMA_MODE set twice in NCR5380_transfer_dma()
  2009-10-06 20:17 [PATCH] NCR5380: bit MR_DMA_MODE set twice in NCR5380_transfer_dma() Roel Kluin
@ 2009-10-13 23:40 ` Andrew Morton
  0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2009-10-13 23:40 UTC (permalink / raw)
  To: Roel Kluin; +Cc: James E.J. Bottomley, linux-scsi, Alan Cox

On Tue, 06 Oct 2009 22:17:43 +0200
Roel Kluin <roel.kluin@gmail.com> wrote:

> Besides keeping the line short, the second setting of the
> MR_DMA_MODE bit was removed.
> 
> Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
> ---
> Please review, maybe some other bit should be set?

The only ones left are MR_BLOCK_DMA_MODE and MR_ARBITRATE.

No, I don't know if they hould have been set either.  Let that sleeping
dog lie, I suspect.


> diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
> index f92da9f..5d2f148 100644
> --- a/drivers/scsi/NCR5380.c
> +++ b/drivers/scsi/NCR5380.c
> @@ -1857,7 +1857,9 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance, unsigned char *phase
>  #endif
>  	/* KLL May need eop and parity in 53c400 */
>  	if (hostdata->flags & FLAG_NCR53C400)
> -		NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_ENABLE_PAR_CHECK | MR_ENABLE_PAR_INTR | MR_ENABLE_EOP_INTR | MR_DMA_MODE | MR_MONITOR_BSY);
> +		NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE |
> +				MR_ENABLE_PAR_CHECK | MR_ENABLE_PAR_INTR |
> +				MR_ENABLE_EOP_INTR | MR_MONITOR_BSY);
>  	else
>  		NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE);
>  #endif				/* def REAL_DMA */

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2009-10-13 23:41 UTC | newest]

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2009-10-06 20:17 [PATCH] NCR5380: bit MR_DMA_MODE set twice in NCR5380_transfer_dma() Roel Kluin
2009-10-13 23:40 ` Andrew Morton

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