From: rogerq@ti.com (Roger Quadros)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v10] reset: Add driver for gpio-controlled reset pins
Date: Tue, 6 Aug 2013 10:38:31 +0300 [thread overview]
Message-ID: <5200A7F7.6080104@ti.com> (raw)
In-Reply-To: <20130805153516.GC13091@e106331-lin.cambridge.arm.com>
Hi Mark,
On 08/05/2013 06:35 PM, Mark Rutland wrote:
> On Mon, Aug 05, 2013 at 08:32:16AM +0100, Philipp Zabel wrote:
>> Hi Mark,
>
> Hi Philipp,
>
>>
>> Am Freitag, den 02.08.2013, 10:28 +0100 schrieb Mark Rutland:
>
> I'm not sure about initially-in-reset. Is it not possible for the driver
> to poke the GPIO controller to ensure the GPIOs are in the state
> required?
We need initially-in-reset, so that the device can be kept in reset even
when the device driver is not available or loaded late in the boot cycle.
cheers,
-roger
WARNING: multiple messages have this Message-ID (diff)
From: Roger Quadros <rogerq@ti.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Marek Vasut <marex@denx.de>,
Fabio Estevam <fabio.estevam@freescale.com>,
Mike Turquette <mturquette@linaro.org>,
Pavel Machek <pavel@ucw.cz>, Len Brown <len.brown@intel.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
Philipp Zabel <p.zabel@pengutronix.de>,
"devicetree-discuss@lists.ozlabs.org"
<devicetree-discuss@lists.ozlabs.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v10] reset: Add driver for gpio-controlled reset pins
Date: Tue, 6 Aug 2013 10:38:31 +0300 [thread overview]
Message-ID: <5200A7F7.6080104@ti.com> (raw)
In-Reply-To: <20130805153516.GC13091@e106331-lin.cambridge.arm.com>
Hi Mark,
On 08/05/2013 06:35 PM, Mark Rutland wrote:
> On Mon, Aug 05, 2013 at 08:32:16AM +0100, Philipp Zabel wrote:
>> Hi Mark,
>
> Hi Philipp,
>
>>
>> Am Freitag, den 02.08.2013, 10:28 +0100 schrieb Mark Rutland:
>
> I'm not sure about initially-in-reset. Is it not possible for the driver
> to poke the GPIO controller to ensure the GPIOs are in the state
> required?
We need initially-in-reset, so that the device can be kept in reset even
when the device driver is not available or loaded late in the boot cycle.
cheers,
-roger
next prev parent reply other threads:[~2013-08-06 7:38 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-18 9:26 [PATCH v10] reset: Add driver for gpio-controlled reset pins Philipp Zabel
2013-07-18 9:26 ` Philipp Zabel
2013-07-18 12:06 ` Shawn Guo
2013-07-18 12:06 ` Shawn Guo
2013-08-02 9:28 ` Mark Rutland
2013-08-02 9:28 ` Mark Rutland
2013-08-02 20:09 ` Stephen Warren
2013-08-02 20:09 ` Stephen Warren
2013-08-05 15:13 ` Mark Rutland
2013-08-05 15:13 ` Mark Rutland
2013-08-05 17:22 ` Stephen Warren
2013-08-05 17:22 ` Stephen Warren
2013-08-05 7:32 ` Philipp Zabel
2013-08-05 7:32 ` Philipp Zabel
2013-08-05 15:35 ` Mark Rutland
2013-08-05 15:35 ` Mark Rutland
2013-08-06 7:38 ` Roger Quadros [this message]
2013-08-06 7:38 ` Roger Quadros
2013-08-05 17:24 ` Stephen Warren
2013-08-05 17:24 ` Stephen Warren
2013-08-06 7:32 ` Philipp Zabel
2013-08-06 7:32 ` Philipp Zabel
2013-08-06 16:59 ` Stephen Warren
2013-08-06 16:59 ` Stephen Warren
2013-08-08 9:42 ` Philipp Zabel
2013-08-08 18:43 ` Stephen Warren
2013-08-12 11:04 ` Philipp Zabel
2013-08-12 15:50 ` Stephen Warren
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