On Sun, Oct 06, 2013 at 07:37:43AM -0700, Guenter Roeck wrote: > On Sun, Oct 06, 2013 at 01:09:56PM +0200, Sascha Hauer wrote: > > On Thu, Oct 03, 2013 at 11:44:45AM -0700, Greg Kroah-Hartman wrote: > > > On Wed, Oct 02, 2013 at 09:56:11PM -0700, Guenter Roeck wrote: > > > > Hi all, > > > > > > > > Commit f7d2c0bbdb (serial: i.MX: evaluate linux,stdout-path property) adds a > > > > call to add_preferred_console() into drivers/tty/serial/imx.c. The file can be > > > > built as module, yet add_preferred_console() is not exported on any platform. > > > > This is one reason why arm:allmodconfig fails to build on the upstream kernel. > > > > > > > > What is the best solution ? Should imx.c not be buildable as module anymore ? > > > > > > Sascha, I'll have to revert this patch unless you wish to fix it in a > > > different way? > > > > Do you think exporting add_preferred_console() would be acceptable? If > > yes, that would be my preferred solution. > > > Difficult to imagine that a console driver can be a loadable module. > Unload it while the system is running and then what ? Ah man, you spoiled the punch line I was setting Sascha up for! :) > Why does this driver have to be buildable as module anyway ? If that is really > a MUST, an alternative might be to only call add_preferred_console() if it is not > built as module. Yes, that's the correct solution, _if_ this has to be a module. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html