linux-kernel - Re: [PATCH 1/1] [Blackfin try #2] char driver for Blackfin on-chip OTP memory

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Message-ID: <8bd0f97a0803261412t1b6fd2c7nef86d56a49994c3c@mail.gmail.com>
Date:	Wed, 26 Mar 2008 17:12:53 -0400
From:	"Mike Frysinger" <vapier.adi@...il.com>
To:	"Sam Ravnborg" <sam@...nborg.org>
Cc:	"Jiri Slaby" <jirislaby@...il.com>,
	"Bryan Wu" <cooloney@...nel.org>, linux-kernel@...r.kernel.org,
	"Wim Van Sebroeck" <wim@...ana.be>
Subject: Re: [PATCH 1/1] [Blackfin try #2] char driver for Blackfin on-chip OTP memory

On Wed, Mar 26, 2008 at 5:08 PM, Sam Ravnborg <sam@...nborg.org> wrote:
> On Wed, Mar 26, 2008 at 03:14:14PM -0400, Mike Frysinger wrote:
>  > On Wed, Mar 26, 2008 at 3:09 PM, Sam Ravnborg <sam@...nborg.org> wrote:
>  > >  > >  > also, it isnt "broken" in the sense that it "doesnt work" ;)
>  > >  > >
>  > >  > >  Gcc simply doesn't allow that, you likely got 2 sections with init.data, with
>  > >  > >  and without readonly bit set, which is wrong, and it seems, that on some systems
>  > >  > >  (debian) you won't even compile it.
>  > >  >
>  > >  > gcc-4.1.2/binutils-2.17 doesnt have a problem compiling/linking the
>  > >  > code in question.  and i imagine i would have noticed a build/link
>  > >  > failure long before testing it on actual hardware.
>  > >
>  > >  target arch dependent. Try with 64 bit powerpc.
>  >
>  > this code appears in drivers that are for Blackfin-specific pieces of
>  > hardware.  it may fail to build on
>  > some-random-arch-that-isnt-Blackfin, but if it works for Blackfin,
>  > what do the other arches realistically matter ?
>  >
>  > yes, the code will get changed as suggested as it is the right thing
>  > to do, it just isnt a real problem today.
>
>  It is a real problem for build monkeys (like me sometimes) if
>  an allyesconfig suddenly does not build.

it isnt a problem at all considering the next part:

>  If this driver can be build for other than blackfin I do not
>  know.

it's a device driver for hardware on the Blackfin processor itself.
the Kconfig has "depends on BLACKFIN".  it just aint gonna be an issue
:).
-mike
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