From: Andrew Jeffery <andrew@aj.id.au>
To: linux-aspeed@lists.ozlabs.org
Subject: [PATCH v2 4/4] watchdog: aspeed: Move init to arch_initcall
Date: Tue, 17 Oct 2017 22:05:58 +1030 [thread overview]
Message-ID: <1508240158.24322.16.camel@aj.id.au> (raw)
In-Reply-To: <CACPK8Xdz1iK-4bqZfmfTUYw3zDLxCniwt6LupJq5mo-CCca3XQ@mail.gmail.com>
On Wed, 2017-09-20 at 15:43 +0930, Joel Stanley wrote:
> > On Wed, Sep 20, 2017 at 3:00 PM, Andrew Jeffery <andrew@aj.id.au> wrote:
> > Probing at device_initcall time lead to perverse cases where the
> > watchdog was probed after, say, I2C devices, which then leaves a
> > potentially running watchdog at the mercy of I2C device behaviour and
> > bus conditions.
> >
> > Load the watchdog driver early to ensure that the kernel is patting it
> > well before initialising peripherals.
> >
> > Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
>
> I agree that we need to make sure the watchdog driver is loaded
> earlier. I think this is the correct method, but I'll defer to Guenter
> on this one.
Just following up on Joel's comments: Is there anything else I need to
address?
Cheers,
Andrew
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next prev parent reply other threads:[~2017-10-17 11:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-20 5:30 [PATCH v2 0/4] watchdog: aspeed: Retain enabled state and move to arch_initcall Andrew Jeffery
2017-09-20 5:30 ` [PATCH v2 1/4] watchdog: aspeed: Retain watchdog enabled state Andrew Jeffery
2017-09-20 6:07 ` Joel Stanley
2017-10-22 16:09 ` [v2,1/4] " Guenter Roeck
2017-09-20 5:30 ` [PATCH v2 2/4] watchdog: aspeed: Fix 'Apseed' typo in Kconfig Andrew Jeffery
2017-09-20 6:07 ` Joel Stanley
2017-09-20 5:30 ` [PATCH v2 3/4] watchdog: aspeed: Remove specific reference to AST2400 " Andrew Jeffery
2017-09-20 6:08 ` Joel Stanley
2017-09-20 5:30 ` [PATCH v2 4/4] watchdog: aspeed: Move init to arch_initcall Andrew Jeffery
2017-09-20 6:13 ` Joel Stanley
2017-10-17 11:35 ` Andrew Jeffery [this message]
2017-10-22 16:22 ` Guenter Roeck
2017-10-22 16:13 ` [v2,4/4] " Guenter Roeck
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