[U-Boot] [PATCH] ppc: mpc8323erdb: Fix compiler warning

[Marek Vasut]

Hello Wolfgang,

> Dear Marek Vasut,
> 
> In message <1373710940-15779-1-git-send-email-marex at denx.de> you wrote:
> > Fix the following warning:
> > 
> > mpc8323erdb.c: In function 'mac_read_from_eeprom':
> > mpc8323erdb.c:198:3: warning: dereferencing type-punned pointer will
> > break strict-aliasing rules [-Wstrict-aliasing]
> > 
> >    if (crc32(crc, buf, 24) == *(unsigned int *)&buf[24]) {
> >    ^
> > 
> > Size remains unchanged after and before fix:
> >    text    data     bss     dec     hex filename
> >  
> >  206977   18748   23344  249069   3cced ./u-boot
> > 
> > Note the fix is the crudest possible, but also least intrusive.
> 
> Please see Timur's review comments to my original patch for this
> isssue ([1]). The "unsigned int" should indeed be fixed.
> 
> I resubmitted a v2 with the review comments incorporated on July 08,
> see [2], but I caught only one part of the needed changes.  V3 sent
> right now; see [3].  I'd rather see this added than yours.

OK, I didn't know you were at it.

> Also note that it might be a good idea to add the MPC83xx custodion to
> the Cc: list of such patches...

Yes, I only added the board maintainer, who's apparently no longer at FSL :(

> [1] http://article.gmane.org/gmane.comp.boot-loaders.u-boot/163386
> [2] http://article.gmane.org/gmane.comp.boot-loaders.u-boot/165266
> [3] http://article.gmane.org/gmane.comp.boot-loaders.u-boot/165731

Best regards,
Marek Vasut