On Wed, Apr 24, 2013 at 10:28:47PM +0200, Arnaud Ebalard wrote: > Hi, > > Guenter Roeck <linux@xxxxxxxxxxxx> writes: > > >> > You could consider using regmap for holding this cache. > >> > > >> > http://elceurope2012.sched.org/event/100619b669ce5767341624253aa03659?iframe=no&w=900&sidebar=yes&bg=no#.UXdspHLQ5jM > >> > > >> > http://elinux.org/ELCE_Europe_2012_Presentations > >> > >> Interesting. As I am not yet familiar w/ regmap I would prefer having > >> the driver accepted during merge window with current data structure and > >> then convert it to regmap. But I will take a look (e.g. will study > >> fca1dd03 for instance). Thanks for the pointers. > >> > > I have not had time for a detailed review, but adding regmap support > > will not be a requirement. > > > > Note that it is too late for 3.10, so the driver will have to wait for > > 3.11. > > Well, I think I can live with it; The only bad thing is that it kills my > excuses not to spend time on regmap ;-) > Your call. > > >> >> +/* > >> >> + * Helpers to import hardware characteristics from .dts file and overload > >> >> + * default config values. > >> >> + */ > >> >> + > >> >> +#ifdef CONFIG_OF > >> > > >> > Can the driver be used without device tree? Would it be simpler to > >> > just add depends OF in the Kconfig entry? > >> > >> It can be used if the default params (or those configured by u-boot I > >> guess) fit your needs. I think it would be fairly easy to extend the > >> driver later to expose g762_config struct to allow parameters to be set > >> w/o using OF. If someone wants to do that, I think it is better to not > >> depend on OF in Kconfig at the moment but I have not strong argument > >> other that that one. I'll let you decide. > >> > > Agreed. As long as there are major platforms not supporting device tree, > > and as long as device tree overlays are not supported, it must not be made > > mandatory. Especially for I2C and SPI devices I reserve the right to be able > > test the hardware on an X86 system and not require a reboot to do so. > > Understood. Following Simon's post, I think it's useful to implement > some init function for non DT-enabled platforms. > Sure, as long as Simon commits to test it and - if possible - to provide the necessary platform code. Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
