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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Wim Van Sebroeck <wim@iguana.be>
Cc: Nat Gurumoorthy <natg@google.com>,
	Jean Delvare <khali@linux-fr.org>,
	Guenter Roeck <guenter.roeck@ericsson.com>,
	Mike Waychison <mikew@google.com>,
	lm-sensors@lm-sensors.org, linux-kernel@vger.kernel.org,
	linux-watchdog@vger.kernel.org
Subject: Re: [PATCH v5 1/2] Use "request_muxed_region" in it87 watchdog drivers
Date: Wed, 13 Apr 2011 10:29:47 +0100	[thread overview]
Message-ID: <20110413102947.3bf1cc88@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20110413070259.GE4070@infomag.iguana.be>

On Wed, 13 Apr 2011 09:03:00 +0200
Wim Van Sebroeck <wim@iguana.be> wrote:

> Hi Nat,
> 
> > +	(void) request_muxed_region(REG, 2, NAME);
> 
> Why do we need to typecast this? Can't we just use 
> +	request_muxed_region(REG, 2, NAME);

We really ought to use

	if ()

in theory the request can fail if someone has hogged the resource and not
muxed it. I'm not clear what the right thing to do in that case is -
given it should never happen I guess log an error and bail out but that's
a rather bigger change and perhaps should be a follow up patch ?

  parent reply	other threads:[~2011-04-13  9:29 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-12 20:48 [PATCH v5 0/2] Make all it87 drivers SMP safe Nat Gurumoorthy
2011-04-12 20:49 ` [PATCH v5 1/2] Use "request_muxed_region" in it87 watchdog drivers Nat Gurumoorthy
2011-04-13  6:50   ` [lm-sensors] " Hans de Goede
2011-04-13  8:05     ` Natarajan Gurumoorthy
2011-04-13  8:34       ` Jean Delvare
2011-04-13 17:59         ` Natarajan Gurumoorthy
2011-04-13 20:34           ` Jean Delvare
2011-04-14  9:25           ` Alan Cox
2011-04-14 17:58     ` Guenter Roeck
2011-04-13  7:03   ` Wim Van Sebroeck
2011-04-13  8:15     ` Natarajan Gurumoorthy
2011-04-13  9:29     ` Alan Cox [this message]
2011-04-14 19:00       ` Mike Waychison
2011-04-14 20:41         ` Alan Cox
2011-04-12 20:50 ` [PATCH v5 2/2] Use "request_muxed_region" in it87 hwmon drivers Nat Gurumoorthy

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