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From: Tom Rini <trini@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] yaffs2: Fix GCC 4.6 compile warnings
Date: Tue, 9 Oct 2012 14:53:32 -0700	[thread overview]
Message-ID: <20121009215332.GH1137@bill-the-cat> (raw)
In-Reply-To: <1349809693.26044.10@snotra>

On Tue, Oct 09, 2012 at 02:08:13PM -0500, Scott Wood wrote:
> On 10/09/2012 01:51:14 PM, Tom Rini wrote:
> >On Tue, Oct 09, 2012 at 01:09:22PM -0500, Scott Wood wrote:
> >> On 10/06/2012 11:59:17 AM, Albert ARIBAUD wrote:
> >> >Hi Anatolij,
> >> >
> >> >On Sat,  6 Oct 2012 11:31:03 +0200, Anatolij Gustschin
> ><agust@denx.de>
> >> >wrote:
> >> >
> >> >> Fix:
> >> >> yaffs_guts.c: In function 'yaffs_check_chunk_erased':
> >> >> yaffs_guts.c:324:6: warning: variable 'result' set but not used
> >> >> [-Wunused-but-set-variable]
> >> [snip]
> >> >Tested-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
> >> >
> >> >This effectively makes VCMA9 and smdk2410 (the two boards which had
> >> >the yaffs warnings) build clean.
> >>
> >> It takes care of the warnings, but I still see this:
> >>
> >> Configuring for VCMA9 board...
> >> make: *** [u-boot] Error 139
> >
> >The linaro and ELDK 4.2, 5.2 toolchains build this fine.  I would
> >suggest grabbing one of those for ARM.
> 
> I'll give one of them a try, but is it expected that the compiler
> will be able to do 64/32 division without __udivdi3?  Shouldn't
> yaffs2 be using lldiv() or do_div()?

Based on a very short skim, yes, yaffs2 looks to be buggy here and for
example "end_block = mtd->size / mtd->erasesize - 1;" from
yaffs_uboot_glue.c should be using mtd->erase_shift and shifting.

-- 
Tom
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  reply	other threads:[~2012-10-09 21:53 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-06  9:31 [U-Boot] [PATCH] yaffs2: Fix GCC 4.6 compile warnings Anatolij Gustschin
2012-10-06 11:02 ` [U-Boot] ELDK4.2 build failures for highbank, omap4_panda and omap4_sdp4430 (was: [PATCH] yaffs2: Fix GCC 4.6 compile warnings) Albert ARIBAUD
2012-10-06 11:34   ` Albert ARIBAUD
2012-10-08 16:35     ` Tom Rini
2012-10-09  5:46       ` [U-Boot] ELDK4.2 build failures for highbank, omap4_panda and omap4_sdp4430 R Sricharan
2012-10-09 16:59         ` Albert ARIBAUD
2012-10-07 18:22   ` [U-Boot] ELDK4.2 build failures for highbank, omap4_panda and omap4_sdp4430 (was: [PATCH] yaffs2: Fix GCC 4.6 compile warnings) Tom Rini
2012-10-06 16:59 ` [U-Boot] [PATCH] yaffs2: Fix GCC 4.6 compile warnings Albert ARIBAUD
2012-10-09 18:09   ` Scott Wood
2012-10-09 18:51     ` Tom Rini
2012-10-09 19:08       ` Scott Wood
2012-10-09 21:53         ` Tom Rini [this message]
2012-10-08 18:47 ` [U-Boot] " Tom Rini

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