[U-Boot-Users] cfi_flash.c and lost volatile qualifier
Wolfgang Denk
wd at denx.de
Tue Apr 29 22:43:48 CEST 2008
In message <alpine.DEB.1.10.0804291604250.32753 at pmy.adscville> you wrote:
>
> I narrowed down the source of the problem to the loss of the
> volatile qualifier on the addr pointer in flash_write_cmd(). Adding the
> qualifier gets rid of the corruption. In the older 1.2.0 sources, addr was
> declared as "volatile cfiptr_t addr;".
The volatile should not be needed - the CFI driver should use correct
accessor macros instead. See
Documentation/volatile-considered-harmful.txt in your Linux kernel
source tree...
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
No one wants war.
-- Kirk, "Errand of Mercy", stardate 3201.7
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