linux-kernel - Re: [PATCH] ioatdma: make debug output more readable

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Date:	Thu, 7 Mar 2013 17:58:30 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Dave Jiang <dave.jiang@...el.com>
Cc:	djbw@...com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ioatdma: make debug output more readable

On Mon, Mar 04, 2013 at 10:59:54AM -0700, Dave Jiang wrote:
> Making OP field a hex instead of integer to make it more readable. Also add
> the dump out of the NEXT field.
> 
> Signed-off-by: Dave Jiang <dave.jiang@...el.com>
Applied Thanks
> ---
>  drivers/dma/ioat/dma.h    |    2 +-
>  drivers/dma/ioat/dma_v3.c |    3 ++-
>  2 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
> index 53a4cbb..95ae7b3 100644
> --- a/drivers/dma/ioat/dma.h
> +++ b/drivers/dma/ioat/dma.h
> @@ -179,7 +179,7 @@ __dump_desc_dbg(struct ioat_chan_common *chan, struct ioat_dma_descriptor *hw,
>  	struct device *dev = to_dev(chan);
>  
>  	dev_dbg(dev, "desc[%d]: (%#llx->%#llx) cookie: %d flags: %#x"
> -		" ctl: %#x (op: %d int_en: %d compl: %d)\n", id,
> +		" ctl: %#10.8x (op: %#x int_en: %d compl: %d)\n", id,
>  		(unsigned long long) tx->phys,
>  		(unsigned long long) hw->next, tx->cookie, tx->flags,
>  		hw->ctl, hw->ctl_f.op, hw->ctl_f.int_en, hw->ctl_f.compl_write);
> diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
> index 53ea4bd..ce6fcee 100644
> --- a/drivers/dma/ioat/dma_v3.c
> +++ b/drivers/dma/ioat/dma_v3.c
> @@ -605,7 +605,7 @@ dump_pq_desc_dbg(struct ioat2_dma_chan *ioat, struct ioat_ring_ent *desc, struct
>  	int i;
>  
>  	dev_dbg(dev, "desc[%d]: (%#llx->%#llx) flags: %#x"
> -		" sz: %#x ctl: %#x (op: %d int: %d compl: %d pq: '%s%s' src_cnt: %d)\n",
> +		" sz: %#10.8x ctl: %#x (op: %#x int: %d compl: %d pq: '%s%s' src_cnt: %d)\n",
>  		desc_id(desc), (unsigned long long) desc->txd.phys,
>  		(unsigned long long) (pq_ex ? pq_ex->next : pq->next),
>  		desc->txd.flags, pq->size, pq->ctl, pq->ctl_f.op, pq->ctl_f.int_en,
> @@ -617,6 +617,7 @@ dump_pq_desc_dbg(struct ioat2_dma_chan *ioat, struct ioat_ring_ent *desc, struct
>  			(unsigned long long) pq_get_src(descs, i), pq->coef[i]);
>  	dev_dbg(dev, "\tP: %#llx\n", pq->p_addr);
>  	dev_dbg(dev, "\tQ: %#llx\n", pq->q_addr);
> +	dev_dbg(dev, "\tNEXT: %#llx\n", pq->next);
>  }
>  
>  static struct dma_async_tx_descriptor *
> 
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