Bagalkote, Sreenivas <[EMAIL PROTECTED]> wrote: >>> . And since this is compile time >>> system-wide property, I kept it as driver global. >> >>that step I don't understand... why is it a global *VARIABLE* if it's >>compile time system-wide property... >> > > I see your point! Are you saying I should use if(sizeof(dma_addr_t)==8) > instead of the shortcut if(is_dma64)? Are you thinking of "const" modifier? > Please advice.
If using a static const variable produces about the same code a macro does, the variable is OK. Otherwise you'll have to use a #define in order to avoid including dead code. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/