linux-kernel - Re: [PATCH] ipmi:bt-bmc: Delete superfluous dev_warm() in bt_bmc_config

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Date:   Tue, 14 Apr 2020 14:44:55 -0500
From:   Corey Minyard <minyard@....org>
To:     Tang Bin <tangbin@...s.chinamobile.com>
Cc:     arnd@...db.de, gregkh@...uxfoundation.org,
        openipmi-developer@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org,
        Shengju Zhang <zhangshengju@...s.chinamobile.com>
Subject: Re: [PATCH] ipmi:bt-bmc: Delete superfluous dev_warm() in
 bt_bmc_config_irq()

On Tue, Apr 14, 2020 at 10:19:51PM +0800, Tang Bin wrote:
> The priority of dev_warm() is higher than dev_info(),so if the
> function bt_bmc_probe() uses dev_info() to print error message,
> the dev_warm() is redundant.Thus should be removed.

Actually, this needs to be left in.  That error is not just a that irqs
were not configured, that's an error that something else went wrong.


-corey

> 
> Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com>
> Signed-off-by: Shengju Zhang <zhangshengju@...s.chinamobile.com>
> ---
>  drivers/char/ipmi/bt-bmc.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/char/ipmi/bt-bmc.c b/drivers/char/ipmi/bt-bmc.c
> index cd0349bff..1d4bf5c65 100644
> --- a/drivers/char/ipmi/bt-bmc.c
> +++ b/drivers/char/ipmi/bt-bmc.c
> @@ -406,7 +406,6 @@ static int bt_bmc_config_irq(struct bt_bmc *bt_bmc,
>  	rc = devm_request_irq(dev, bt_bmc->irq, bt_bmc_irq, IRQF_SHARED,
>  			      DEVICE_NAME, bt_bmc);
>  	if (rc < 0) {
> -		dev_warn(dev, "Unable to request IRQ %d\n", bt_bmc->irq);
>  		bt_bmc->irq = 0;
>  		return rc;
>  	}
> -- 
> 2.20.1.windows.1
> 
> 
>