linux-kernel - Re: [PATCH v3 09/10] mtd: rawnand: brcmnand: update log level messages

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Date: Wed, 24 Jan 2024 18:37:06 +0100
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: David Regan <dregan@...adcom.com>
Cc: dregan@...l.com, richard@....at, vigneshr@...com, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 computersforpeace@...il.com, kdasu.kdev@...il.com,
 linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, joel.peshkin@...adcom.com,
 tomer.yacoby@...adcom.com, dan.beygelman@...adcom.com,
 william.zhang@...adcom.com, anand.gore@...adcom.com,
 kursad.oney@...adcom.com, florian.fainelli@...adcom.com, rafal@...ecki.pl,
 bcm-kernel-feedback-list@...adcom.com, andre.przywara@....com,
 baruch@...s.co.il, linux-arm-kernel@...ts.infradead.org,
 dan.carpenter@...aro.org
Subject: Re: [PATCH v3 09/10] mtd: rawnand: brcmnand: update log level
 messages

Hi David,

dregan@...adcom.com wrote on Tue, 23 Jan 2024 19:04:57 -0800:

> Update log level messages so that more critical messages
> can be seen.
> 
> Signed-off-by: David Regan <dregan@...adcom.com>
> Reviewed-by: William Zhang <william.zhang@...adcom.com>
> ---
> Changes in v3: None
> ---
> Changes in v2:
> - Added to patch series
> ---
>  drivers/mtd/nand/raw/brcmnand/brcmnand.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> index 6b5d76eff0ec..a4e311b6798c 100644
> --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
> @@ -1143,7 +1143,7 @@ static int bcmnand_ctrl_poll_status(struct brcmnand_host *host,
>  	if ((val & mask) == expected_val)
>  		return 0;
>  
> -	dev_warn(ctrl->dev, "timeout on status poll (expected %x got %x)\n",
> +	dev_err(ctrl->dev, "timeout on status poll (expected %x got %x)\n",

I don't see the point but if you want.

>  		 expected_val, val & mask);
>  
>  	return -ETIMEDOUT;
> @@ -2196,7 +2196,7 @@ static int brcmnand_read(struct mtd_info *mtd, struct nand_chip *chip,
>  				return err;
>  		}
>  
> -		dev_dbg(ctrl->dev, "uncorrectable error at 0x%llx\n",
> +		dev_err(ctrl->dev, "uncorrectable error at 0x%llx\n",

Upper layer will complain, you can keep this at the debug level.

>  			(unsigned long long)err_addr);
>  		mtd->ecc_stats.failed++;
>  		/* NAND layer expects zero on ECC errors */
> @@ -2211,7 +2211,7 @@ static int brcmnand_read(struct mtd_info *mtd, struct nand_chip *chip,
>  			err = brcmnand_read_by_pio(mtd, chip, addr, trans, buf,
>  						   oob, &err_addr);
>  
> -		dev_dbg(ctrl->dev, "corrected error at 0x%llx\n",
> +		dev_info(ctrl->dev, "corrected error at 0x%llx\n",

Definitely not! Way too verbose. Please keep this one as it is.

>  			(unsigned long long)err_addr);
>  		mtd->ecc_stats.corrected += corrected;
>  		/* Always exceed the software-imposed threshold */


Thanks,
Miquèl