linux-kernel - Re: [PATCH 8/8] imx: serial: add IrDA support to serial driver

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Date:	Tue, 9 Jun 2009 18:07:38 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Oskar Schirmer" <os@...ix.com>
Cc:	Oskar Schirmer <os@...ix.com>,
	Sascha Hauer <kernel@...gutronix.de>,
	linux-kernel@...r.kernel.org, Fabian Godehardt <fg@...ix.com>
Subject: Re: [PATCH 8/8] imx: serial: add IrDA support to serial driver

> Sure, the path will be optimized away, but still
> the conditional statement is subjected to syntax
> and scope analysis and gcc will correctly complain
> that irda_inv_rx is not declared.

Why are only about half of them done this way rather than all ?

> peripheral register settings, because the old baud rate
> calculation was not accurate enough for IrDA use.
> That's why we introduced the approximation function
> (and finally generalised it into lib/).

Yes - I'm fine with that part.

Alan
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