[U-Boot] [PATCH] drivers/block/systemace: fixes read/write words for bus width = 8

[Wolfgang Denk]

Dear Alexey Brodkin,

In message <1357137512-8618-1-git-send-email-alexey.brodkin at gmail.com> you wrote:
> From: Alexey Brodkin <abrodkin at synopsys.com>
> 
> Current implementation works fine for bus width = 16 bits because we
> never get into "if" branch.
> 
> If one sets width to 8 bits there will be 2 consequent data accesses
> (read/write):
> 1. Correct data access for 8-bit bus
> 2. Unconditional (and in this case incorrect) data access as if data bus
> is 16-bit wide

Sorry, I don't get this.

You say, if one sets width to 8 bits, then the code fails when the bus
is actually 16 bits wide?  

But this is just a bad configuration then - why do we need to change
the code?  All that is needed is to run with a correct configuration?

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
Real programmers can write assembly code in any language.   :-)
                      - Larry Wall in  <8571 at jpl-devvax.JPL.NASA.GOV>