From: linux@roeck-us•net (Guenter Roeck)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] hwmon: (gpio-fan) allow to use alarm support alone from DT
Date: Mon, 23 Feb 2015 06:06:12 -0800 [thread overview]
Message-ID: <54EB33D4.1000804@roeck-us.net> (raw)
In-Reply-To: <1424696334-14767-1-git-send-email-simon.guinot@sequanux.org>
On 02/23/2015 04:58 AM, Simon Guinot wrote:
> On some boards, such as the LaCie 2Big Network v2 or 2Big NAS (based on
> Marvell Kirkwood SoCs), an I2C fan controller is used but the alarm
> signal is wired to a separate GPIO. Unfortunately, the gpio-fan driver
> can't be used to handle GPIO alarm alone from DT: an error is returned
> if the "gpios" DT property is missing.
>
> This patch allows to use the gpio-fan driver even if the "alarm-gpios"
> DT property is defined alone.
>
That is the wrong solution. The gpio alarm signal should be handled
by the fan controller driver.
Guenter
next prev parent reply other threads:[~2015-02-23 14:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-23 12:58 [PATCH] hwmon: (gpio-fan) allow to use alarm support alone from DT Simon Guinot
2015-02-23 13:42 ` Andrew Lunn
2015-02-23 14:06 ` Guenter Roeck [this message]
2015-02-23 14:34 ` Simon Guinot
2015-02-23 14:43 ` Guenter Roeck
2015-02-25 11:14 ` Simon Guinot
2015-02-25 13:50 ` Andrew Lunn
2015-02-25 14:29 ` Simon Guinot
2015-02-25 14:52 ` Guenter Roeck
2015-02-25 14:51 ` Guenter Roeck
2015-02-25 15:04 ` Andrew Lunn
2015-02-25 16:20 ` Guenter Roeck
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