linux-kernel - Re: [PATCH 4/4] hwmon: (occ) Print response status in first poll error message

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Message-ID: <20210209181259.GF142661@roeck-us.net>
Date:   Tue, 9 Feb 2021 10:12:59 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Eddie James <eajames@...ux.ibm.com>
Cc:     linux-hwmon@...r.kernel.org, linux-fsi@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, jk@...abs.org, joel@....id.au,
        alistair@...ple.id.au, jdelvare@...e.com
Subject: Re: [PATCH 4/4] hwmon: (occ) Print response status in first poll
 error message

On Tue, Feb 09, 2021 at 11:12:35AM -0600, Eddie James wrote:
> In order to better debug problems starting up the driver, print
> the response status from the OCC in the error logged when the first
> poll command fails.
> 
> Signed-off-by: Eddie James <eajames@...ux.ibm.com>

Acked-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  drivers/hwmon/occ/common.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c
> index ee0c5d12dfdf..f71d62b57468 100644
> --- a/drivers/hwmon/occ/common.c
> +++ b/drivers/hwmon/occ/common.c
> @@ -1161,8 +1161,9 @@ int occ_setup(struct occ *occ, const char *name)
>  		dev_info(occ->bus_dev, "host is not ready\n");
>  		return rc;
>  	} else if (rc < 0) {
> -		dev_err(occ->bus_dev, "failed to get OCC poll response: %d\n",
> -			rc);
> +		dev_err(occ->bus_dev,
> +			"failed to get OCC poll response=%02x: %d\n",
> +			occ->resp.return_status, rc);
>  		return rc;
>  	}
>  
> -- 
> 2.27.0
>