Hi Felipe, On Tue, Oct 6, 2015 at 4:00 PM, Felipe Balbi <balbi@xxxxxx> wrote: > > Hi, > > Belisko Marek <marek.belisko@xxxxxxxxx> writes: >> Hi Tony, >> >> I'm using custom am33xx board where mpu voltage can be changed through >> gpio regulator on 4.1 (latest stable) kernel. I defined gpio-regulator >> node and also operating-points to DT. Gpio regulator seems to be >> working fine but during probing cpufreq-dt I get error: >> failed to init cpufreq table: -61 >> >> I did small investigation and seem that dev_pm_opp_init_cpufreq_table >> fails at first condition dev_pm_opp_get_opp_count <= 0 and this is >> because opp_list is empty. So it seems that any opp for am33xx aren't >> defined if I'm getting it right. I did look to mach-omap2/opp3xxx_data >> but there is nothing am33xx specific. It is known problem or exist >> some patches around to fix that? Many thanks. > > OPP initialization is not in mainline yet, there are some out-of-tree > patches which TI has been working on. If you want to use them, have a > look at TI's vendor kernel at [1] Thanks for link. One thing which is still not puzzled before I use 3.9 kernel and it was working fine it's stops working when bumped to 4.1. > > [1] http://git.ti.com/ti-linux-kernel/ti-linux-kernel/blobs/ti-lsk-linux-4.1.y/arch/arm/mach-omap2/opp33xx_data.c > > -- > balbi BR, marek -- as simple and primitive as possible ------------------------------------------------- Marek Belisko - OPEN-NANDRA Freelance Developer Ruska Nova Ves 219 | Presov, 08005 Slovak Republic Tel: +421 915 052 184 skype: marekwhite twitter: #opennandra web: http://open-nandra.com -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
