From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: linux-pm@vger.kernel.org, Chris Healy <cphealy@gmail.com>,
Lucas Stach <l.stach@pengutronix.de>,
Zhang Rui <rui.zhang@intel.com>,
Eduardo Valentin <edubezval@gmail.com>,
Angus Ainslie <angus@akkea.ca>, dl-linux-imx <linux-imx@nxp.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 11/13] thermal: qoriq: Do not report invalid temperature reading
Date: Fri, 5 Apr 2019 11:30:41 -0700 [thread overview]
Message-ID: <CAHQ1cqGohyy=0yFjaVK1Xy=MBDmca9B1Ea+dfDWwmGs65G6uxw@mail.gmail.com> (raw)
In-Reply-To: <6b2bb239-dc98-df92-1999-0ae914732e17@linaro.org>
On Thu, Apr 4, 2019 at 2:05 AM Daniel Lezcano <daniel.lezcano@linaro.org> wrote:
>
> On 01/04/2019 06:14, Andrey Smirnov wrote:
> > Before returning measured temperature data to upper layer we need to
> > make sure that the reading was marked as "valid" to avoid reporting
> > bogus data.
>
> Is it possible to add a comment above the read_poll to describe the
> layout of the register ? That will help to understand the valid bit.
>
Sure, will do.
> Is the valid bit reset after reading the value?
>
It works a bit differently. Here's the description form the datasheet:
Valid measured temperature.
0 Not valid. Temperature out of sensor range or first
measurement still pending.
1 Valid.
Thanks,
Andrey Smirnov
next prev parent reply other threads:[~2019-04-05 18:30 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-01 4:14 [PATCH v3 00/13] QorIQ TMU multi-sensor and HWMON support Andrey Smirnov
2019-04-01 4:14 ` [PATCH v3 01/13] thermal: qoriq: Remove unnecessary DT node is NULL check Andrey Smirnov
2019-04-04 3:21 ` Daniel Lezcano
2019-04-05 17:51 ` Andrey Smirnov
2019-04-11 16:52 ` Daniel Lezcano
2019-04-01 4:14 ` [PATCH v3 02/13] thermal: qoriq: Add local struct device pointer Andrey Smirnov
2019-04-04 3:11 ` Daniel Lezcano
2019-04-01 4:14 ` [PATCH v3 03/13] thermal: qoriq: Don't store struct thermal_zone_device reference Andrey Smirnov
2019-04-04 3:23 ` Daniel Lezcano
2019-04-01 4:14 ` [PATCH v3 04/13] thermal: qoriq: Add local struct qoriq_sensor pointer Andrey Smirnov
2019-04-04 3:28 ` Daniel Lezcano
2019-04-05 17:57 ` Andrey Smirnov
2019-04-01 4:14 ` [PATCH v3 05/13] thermal: qoriq: Embed per-sensor data into struct qoriq_tmu_data Andrey Smirnov
2019-04-04 7:57 ` Daniel Lezcano
2019-04-04 8:06 ` [PATCH RFC 1/2] thermal/drivers/of: Add a get_temp_id callback function Daniel Lezcano
2019-04-04 8:06 ` [PATCH RFC 2/2] thermal/drivers/qoriq: Use the get_temp_id() Daniel Lezcano
2019-04-13 8:18 ` [PATCH RFC 1/2] thermal/drivers/of: Add a get_temp_id callback function Andrey Smirnov
2019-04-13 8:28 ` Daniel Lezcano
2019-04-05 18:00 ` [PATCH v3 05/13] thermal: qoriq: Embed per-sensor data into struct qoriq_tmu_data Andrey Smirnov
2019-04-11 16:54 ` Daniel Lezcano
2019-04-01 4:14 ` [PATCH v3 06/13] thermal: qoriq: Pass data to qoriq_tmu_register_tmu_zone() directly Andrey Smirnov
2019-04-04 8:09 ` Daniel Lezcano
2019-04-01 4:14 ` [PATCH v3 07/13] thermal: qoriq: Pass data to qoriq_tmu_calibration() directly Andrey Smirnov
2019-04-04 8:11 ` Daniel Lezcano
2019-04-05 18:04 ` Andrey Smirnov
2019-04-01 4:14 ` [PATCH v3 08/13] thermal: qoriq: Convert driver to use devm_ioremap() Andrey Smirnov
2019-04-04 8:23 ` Daniel Lezcano
2019-04-05 18:14 ` Andrey Smirnov
2019-04-01 4:14 ` [PATCH v3 09/13] thermal: qoriq: Convert driver to use regmap API Andrey Smirnov
2019-04-04 8:47 ` Daniel Lezcano
2019-04-05 18:24 ` Andrey Smirnov
2019-04-11 13:00 ` Daniel Lezcano
2019-04-01 4:14 ` [PATCH v3 10/13] thermal: qoriq: Enable all sensors before registering them Andrey Smirnov
2019-04-04 9:08 ` Daniel Lezcano
2019-04-01 4:14 ` [PATCH v3 11/13] thermal: qoriq: Do not report invalid temperature reading Andrey Smirnov
2019-04-04 9:05 ` Daniel Lezcano
2019-04-05 18:30 ` Andrey Smirnov [this message]
2019-04-01 4:14 ` [PATCH v3 12/13] thermal_hwmon: Add devres wrapper for thermal_add_hwmon_sysfs() Andrey Smirnov
2019-04-04 9:10 ` Daniel Lezcano
2019-04-01 4:14 ` [PATCH v3 13/13] thermal: qoriq: Add hwmon support Andrey Smirnov
2019-04-04 9:11 ` Daniel Lezcano
2019-04-05 18:38 ` Andrey Smirnov
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