linux-kernel - Re: [PATCH v2] remoteproc: use %pe format string to print return error code

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Message-ID: <YZUYu9Ko1lTgPslz@builder.lan>
Date:   Wed, 17 Nov 2021 08:59:07 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Mark-PK Tsai <mark-pk.tsai@...iatek.com>
Cc:     ohad@...ery.com, mathieu.poirier@...aro.org,
        matthias.bgg@...il.com, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, yj.chiang@...iatek.com
Subject: Re: [PATCH v2] remoteproc: use %pe format string to print return
 error code

On Tue 02 Nov 09:15 CDT 2021, Mark-PK Tsai wrote:

> Use %pe format string to print return error code which
> make the error message easier to understand.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> Signed-off-by: Mark-PK Tsai <mark-pk.tsai@...iatek.com>
> ---
>  drivers/remoteproc/remoteproc_core.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
> index 502b6604b757..2242da320368 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -575,8 +575,8 @@ static int rproc_handle_vdev(struct rproc *rproc, void *ptr,
>  					   dma_get_mask(rproc->dev.parent));
>  	if (ret) {
>  		dev_warn(dev,
> -			 "Failed to set DMA mask %llx. Trying to continue... %x\n",
> -			 dma_get_mask(rproc->dev.parent), ret);
> +			 "Failed to set DMA mask %llx. Trying to continue... (%pe)\n",
> +			 dma_get_mask(rproc->dev.parent), ERR_PTR(ret));
>  	}
>  
>  	/* parse the vrings */
> -- 
> 2.18.0
>