From: "Andrew Jeffery" <andrew@aj.id.au>
To: "Guenter Roeck" <linux@roeck-us.net>,
"Ivan Mikhaylov" <i.mikhaylov@yadro.com>,
"Wim Van Sebroeck" <wim@linux-watchdog.org>
Cc: "Joel Stanley" <joel@jms.id.au>,
linux-watchdog@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org,
"Alexander Amelkin" <a.amelkin@yadro.com>,
openbmc@lists.ozlabs.org, "Rob Herring" <robh+dt@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
devicetree@vger.kernel.org
Subject: Re: [PATCH v2 4/4] dt-bindings/watchdog: Add access_cs0 option for alt-boot
Date: Tue, 27 Aug 2019 09:41:20 +0930 [thread overview]
Message-ID: <fab64830-69be-44fb-9e6f-ed8783b821a4@www.fastmail.com> (raw)
In-Reply-To: <d040fee1-d12d-9ac9-a72a-e76137a4579f@roeck-us.net>
On Tue, 27 Aug 2019, at 09:38, Guenter Roeck wrote:
> On 8/26/19 4:57 PM, Andrew Jeffery wrote:
> >
> >
> > On Mon, 26 Aug 2019, at 20:17, Ivan Mikhaylov wrote:
> >> The option for the ast2400/2500 to get access to CS0 at runtime.
> >>
> >> Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com>
> >> ---
> >> Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt | 7 +++++++
> >> 1 file changed, 7 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> >> b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> >> index c5077a1f5cb3..023a9b578df6 100644
> >> --- a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> >> +++ b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt
> >> @@ -34,6 +34,13 @@ Optional properties:
> >> engine is responsible for this.
> >>
> >> - aspeed,alt-boot: If property is present then boot from alternate
> >> block.
> >> + At alternate side 'access_cs0' sysfs file
> >> provides:
> >
> > Why are we talking about sysfs in the devicetree binding? This patch
> > doesn't seem right to me.
> >
>
> Correct; this is the wrong document. The attribute also will need
> to be better explained. "At alternate side" does not explain (at
> least not at all clearly enough) that the attribute only exists
> if the system has booted from the alternate flash / block.
>
> > Also if we're not supporting the aspeed,alt-boot property we should
> > probably document it as deprecated rather than making it disappear,
> > unless you're going to fix the systems that are using it.
> >
> Sorry, you lost me here. Where is it made to disappear ?
Oh, hah, I read the bullet '-' as a diff marker. Maybe I should go back to
bed!
Andrew
next prev parent reply other threads:[~2019-08-27 0:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-26 10:46 [PATCH v2 0/4] add dual-boot support Ivan Mikhaylov
2019-08-26 10:46 ` [PATCH v2 1/4] vesnin: add wdt2 section with alt-boot option Ivan Mikhaylov
2019-08-26 10:46 ` [PATCH v2 2/4] vesnin: add secondary SPI flash chip Ivan Mikhaylov
2019-08-26 10:46 ` [PATCH v2 3/4] watchdog/aspeed: add support for dual boot Ivan Mikhaylov
2019-08-27 0:14 ` Guenter Roeck
2019-08-27 9:24 ` Ivan Mikhaylov
2019-08-27 13:06 ` Guenter Roeck
2019-08-26 10:46 ` [PATCH v2 4/4] dt-bindings/watchdog: Add access_cs0 option for alt-boot Ivan Mikhaylov
2019-08-26 23:57 ` Andrew Jeffery
2019-08-27 0:08 ` Guenter Roeck
2019-08-27 0:11 ` Andrew Jeffery [this message]
2019-08-29 22:56 ` Rob Herring
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