From: Guenter Roeck <linux@roeck-us.net>
To: Paul Fertser <fercerpav@gmail.com>, linux-hwmon@vger.kernel.org
Cc: Jean Delvare <jdelvare@suse.com>,
Vadim Pasternak <vadimp@mellanox.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] hwmon: pmbus: pxe1610: don't bail out when not all pages are active
Date: Thu, 15 Apr 2021 08:18:57 -0700 [thread overview]
Message-ID: <3612b78a-8e43-289b-ff0f-6c995995eeb0@roeck-us.net> (raw)
In-Reply-To: <20210415133535.11171-1-fercerpav@gmail.com>
On 4/15/21 6:34 AM, Paul Fertser wrote:
> Certain VRs might be configured to use only the first output channel and
> so the mode for the second will be 0. Handle this gracefully.
>
> Fixes: b9fa0a3acfd8 ("hwmon: (pmbus/core) Add support for vid mode detection per page bases")
> Signed-off-by: Paul Fertser <fercerpav@gmail.com>
> ---
> drivers/hwmon/pmbus/pxe1610.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/hwmon/pmbus/pxe1610.c b/drivers/hwmon/pmbus/pxe1610.c
> index 517584cff3de..ff6f6e05923b 100644
> --- a/drivers/hwmon/pmbus/pxe1610.c
> +++ b/drivers/hwmon/pmbus/pxe1610.c
> @@ -41,7 +41,16 @@ static int pxe1610_identify(struct i2c_client *client,
> info->vrm_version[i] = vr13;
> break;
> default:
> - return -ENODEV;
> + /*
> + * If prior pages are available limit operation
> + * to them
> + */
> + if (i != 0) {
> + info->pages = i;
> + return 0;
> + } else {
> + return -ENODEV;
> + }
else after return is unnecessary.
Thanks,
Guenter
next prev parent reply other threads:[~2021-04-15 15:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-15 13:34 [PATCH] hwmon: pmbus: pxe1610: don't bail out when not all pages are active Paul Fertser
2021-04-15 15:18 ` Guenter Roeck [this message]
2021-04-16 10:29 ` [PATCH v2] " Paul Fertser
2021-04-16 14:14 ` Guenter Roeck
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