From mboxrd@z Thu Jan  1 00:00:00 1970
From: linux@roeck-us.net (Guenter Roeck)
Date: Tue, 18 Apr 2017 13:58:39 -0700
Subject: [PATCH 2/2] hwmon: (brcmstb) Add driver for Broadcom STB DPFE
In-Reply-To: <20170418201702.57019-3-code@mmayer.net>
References: <20170418201702.57019-1-code@mmayer.net>
 <20170418201702.57019-3-code@mmayer.net>
Message-ID: <20170418205839.GA3554@roeck-us.net>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hi Markus,

On Tue, Apr 18, 2017 at 01:17:02PM -0700, Markus Mayer wrote:
> From: Markus Mayer <mmayer@broadcom.com>
> 
> This driver allows access to DRAM properties, such as the refresh rate,
> via the Broadcom STB DDR PHY Front End (DPFE). The refresh rate can be
> used as indirect indicator of the DRAM temperature.
> 
> The driver also allows setting of the sampling interval.
> 
> Signed-off-by: Markus Mayer <mmayer@broadcom.com>
> ---
[ ... ]

> +
> +static SENSOR_DEVICE_ATTR(dpfe_info, 0444, show_info, NULL, 1000);
> +static SENSOR_DEVICE_ATTR(dpfe_refresh, 0644, show_refresh, store_refresh,
> +			  1000);
> +static SENSOR_DEVICE_ATTR(dpfe_vendor, 0444, show_vendor, NULL, 1000);
> +static struct attribute *dpfe_attrs[] = {
> +	&sensor_dev_attr_dpfe_info.dev_attr.attr,
> +	&sensor_dev_attr_dpfe_refresh.dev_attr.attr,
> +	&sensor_dev_attr_dpfe_vendor.dev_attr.attr,
> +	NULL
> +};
> +ATTRIBUTE_GROUPS(dpfe);
> +

There is not a single standard hwmon attribute. I don't know how
to classify this driver, and where it should reside, but it is not
a hwmon driver. 

Thanks,
Guenter