linux-kernel - Re: AT91SAM9/CAP9 watchdog driver

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Date:	Wed, 4 Jun 2008 19:24:58 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Andrew Victor" <avictor.za@...il.com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>, wim@...ana.be,
	linux-arm-kernel@...ts.arm.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: AT91SAM9/CAP9 watchdog driver

> The issue above is rather that probe() should not fail if
> at91_wdt_settimeout() returns -EINVAL, since we'd like the
> driver/module to still load to allow the user to later specify a valid
> timeout via ioctl(WDIOC_SETTIMEOUT).

Every other watchdog behaves as follows

- If you specify a bogus value it doesn't load
- If you specify no value you get a valid default
- If you specify a valid value you get that

I don't believe yours should be different.

Alan
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