linux-kernel - Re: [RFC PATCH 1/4] staging: vc04_services: vchiq

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Message-ID: <Y8lUeDjGZfe+/Ap3@kadam>
Date:   Thu, 19 Jan 2023 17:32:24 +0300
From:   Dan Carpenter <error27@...il.com>
To:     Umang Jain <umang.jain@...asonboard.com>
Cc:     linux-staging@...ts.linux.dev,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Stefan Wahren <stefan.wahren@...e.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Adrien Thierry <athierry@...hat.com>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [RFC PATCH 1/4] staging: vc04_services: vchiq_core: Drop custom
 logging

On Wed, Jan 18, 2023 at 05:28:07PM +0530, Umang Jain wrote:
> diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
> index 4e705a447a62..7b3c57326d28 100644
> --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
> +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
> @@ -227,10 +227,11 @@ static const char *msg_type_str(unsigned int msg_type)
>  static inline void
>  set_service_state(struct vchiq_service *service, int newstate)
>  {
> -	vchiq_log_info(vchiq_core_log_level, "%d: srv:%d %s->%s",
> -		       service->state->id, service->localport,
> -		       srvstate_names[service->srvstate],
> -		       srvstate_names[newstate]);
> +	struct vchiq_state *state = service->state;
> +
> +	dev_info(state->dev, "%d: srv:%d %s->%s", state->id,
> +		 service->localport, srvstate_names[service->srvstate],
> +		 srvstate_names[newstate]);

This should be a debug level printk.  Don't spam dmesg in the success
path.  Success should not be noteworthy.

>  	service->srvstate = newstate;
>  }

regards,
dan carpenter