linux-kernel - Re: [PATCH] watchdog: make imx2_wdt report boot status correctly

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Date:	Thu, 16 Feb 2012 15:23:56 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Oskar Schirmer <oskar@...ra.com>
Cc:	wim@...ana.be, s.hauer@...gutronix.de,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] watchdog: make imx2_wdt report boot status correctly


> Seen from the perspective of code compactness ("save some lines"),
> one could try to be consequent here, and save the "val" variable
> altogether, ending up with some "new_value = __raw_readw ... & ... ? ... : 0;"
> But eventually there might be code readability issues, so it's
> a good idea to keep the balance.

Yes.

> An argument for the original, longer version might be it is easier
> to extend, when more flags need to be handled, like
> "else if (val & ...) new_value = ...", while nested conditional
> expressions would most likely become quite complex soon.

Once we have support to handle non-stoppable watchdogs in the the new
watchdog framework, the code will be greatly refactored anyhow :)

Thanks,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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