Dear Dirk Behme, In message <[email protected]> you wrote: > > The question I was thinking about with my patch was "what's Right > Thing?" ;)
The Right Thing i not to make specific assumptions how the compiler might handle volatile pointers. > It's my understanding that we don't fix read*() and write*() because > they are broken. We touch them to work around a broken tool chain. No. Please re-read volatile-considered-harmful.txt in the linux/Documentation directory: "accessing I/O memory directly through pointers is frowned upon and does not work on all architectures. Those accessors are written to prevent unwanted optimization". 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: [email protected] It is dangerous to be sincere unless you are also stupid. - George Bernard Shaw _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
