Re: [PATCH] remoteproc: k3-r5: Fix an error message

From: Dan Carpenter <dan.carpenter@oracle.com>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: ohad@wizery.com, bjorn.andersson@linaro.org,
	mathieu.poirier@linaro.org, s-anna@ti.com,
	linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] remoteproc: k3-r5: Fix an error message
Date: Fri, 7 May 2021 08:26:47 +0300	[thread overview]
Message-ID: <20210507052647.GF1955@kadam> (raw)
In-Reply-To: <d6e29d903b48957bf59c67229d54b0fc215e31ae.1620333870.git.christophe.jaillet@wanadoo.fr>

On Thu, May 06, 2021 at 10:46:01PM +0200, Christophe JAILLET wrote:
> 'ret' is known to be 0 here.
> Reorder the code so that the expected error code is printed.
> 
> Fixes: 6dedbd1d5443 ("remoteproc: k3-r5: Add a remoteproc driver for R5F subsystem")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
>  drivers/remoteproc/ti_k3_r5_remoteproc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c
> index 5cf8d030a1f0..4104e4846dbf 100644
> --- a/drivers/remoteproc/ti_k3_r5_remoteproc.c
> +++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c
> @@ -1272,9 +1272,9 @@ static int k3_r5_core_of_init(struct platform_device *pdev)
>  
>  	core->tsp = k3_r5_core_of_get_tsp(dev, core->ti_sci);
>  	if (IS_ERR(core->tsp)) {
> +		ret = PTR_ERR(core->tsp);
>  		dev_err(dev, "failed to construct ti-sci proc control, ret = %d\n",
>  			ret);

I recently learned about the %pe format specifier, which prints "-ENOMEM"
instead of -12.

		dev_err(dev, "failed to construct ti-sci proc control, ret = %pe\n",
			core->tsp);
regards,
dan carpenter