On Sunday, May 15, 2011, Davide Ciminaghi wrote: > On Fri, May 13, 2011 at 07:11:48PM +0200, Davide Ciminaghi wrote: > > On Thu, May 12, 2011 at 09:28:53PM +0200, Rafael J. Wysocki wrote: > > > > hi, > > > > sorry, I missed this message this morning. > > > > > On Thursday, May 12, 2011, Raffaele Recalcati wrote: > > > > From: Davide Ciminaghi <[email protected]> > > > > > > Please explain why you need to export it, what the alternatives are and > > > why you think this approach is better than the alternatives. > > > > > > > what I needed to do was walking through the list of registered busses, > > and invoking the bus_added()/bus_removed() callback of a newly registered > > policy. I couldn't find any other simple way to do it. > > > well, I there is another way to do that: adding a function like this > (include/linux/device.h) : > > /** > * run a callback for each registered bus type > * > * @data : arg passed to callback > * @fn : pointer to callback > */ > int for_each_bus(void *data, int (*fn)(struct bus_type *bus, void *data)); > > which would be similar to the already existing bus_for_each_dev() and > would allow to avoid exporting a global variable.
I really think you'd simply need to browse all devices, like the core PM code in drivers/base/power/main.c. You can use dpm_list for that just fine. Thanks, Rafael _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
