[U-Boot] [PATCH v4] ARM: Avoid compiler optimization for readb, writeb and friends.
Wolfgang Denk
wd at denx.de
Wed Jan 12 17:40:45 CET 2011
Dear Alexander Holler,
In message <4D2DCB18.20409 at ahsoftware.de> you wrote:
> Am 09.01.2011 23:19, schrieb Wolfgang Denk:
>
> > gcc 4.5.1 seems to ignore (at least some) volatile definitions,
> > avoid that as done in the kernel.
>
> Have had a look at the asm generated by gcc 4.5.1, looks good.
>
> The wrong optimization in arch/arm/cpu/armv7/omap3/clock.c is gone and
> the writeb in drivers/mtd/nand/omap_gpmc.c doesn't have the problem as
> the v1-patch.
Thanks - but please send a formal Acked-by: and/or Tested-by: .
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
The universe does not have laws - it has habits, and habits can be
broken.
More information about the U-Boot
mailing list