linux-kernel - Re: mISDN still breaking the allmodconfig build...

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Date:	Mon, 28 Jul 2008 03:57:15 +0200
From:	Mikael Pettersson <mikpe@...uu.se>
To:	David Miller <davem@...emloft.net>
Cc:	marcel@...tmann.org, linux-kernel@...r.kernel.org,
	sfr@...b.auug.org.au, linuxppc-dev@...abs.org,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	kkeil@...e.de
Subject: Re: mISDN still breaking the allmodconfig build...

David Miller writes:
 > From: Marcel Holtmann <marcel@...tmann.org>
 > Date: Mon, 28 Jul 2008 03:03:04 +0200
 > 
 > > > More fallout from the premature mISDN driver merge:
 > > >
 > > > drivers/isdn/hardware/mISDN/hfcmulti.c:5255:2: error: #error "not  
 > > > running on big endian machines now"
 > > 
 > > is that only the HFC driver or the whole mISDN stack?
 > > 
 > > I know that the two old ISDN stacks where really bad on big endian,  
 > > but my assumption was that we did sort this out in the end.
 > 
 > One of the two mISDN drivers uses the deprecated virt_to_bus()
 > interface for handling DMA addresses (that doesn't even work on many
 > x86 systems these days) and the other mISDN driver gives the above
 > big-endian compile time error.
 > 
 > In short, this driver was not ready for merging at all.

Why on earth does a generic (I hope) protocol driver (some ISDN
thingy in this case) care about endianess at all?

Or has things come to a "the world's an x86" ("the world's a VAX" for
old-timers but add 25+ years or so) situation where the majority of
coders don't even consider that machines might be different from what
they use? If so, a deep sigh of sadness.

(Not that I prefer a particular endianess. My point being that coders
shouldn't make endianess assumptions unless they're really^3 important.)>
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