On Thu, 26 Apr 2012, Hiremath, Vaibhav wrote: > On Thu, Apr 26, 2012 at 20:40:34, Paul Walmsley wrote: > > On Wed, 25 Apr 2012, Vaibhav Hiremath wrote: > > > <snip> > > > + > > > + sync32k_ick = clk_get(NULL, "omap_32ksync_ick"); > > > + if (!IS_ERR(sync32k_ick)) > > > + clk_enable(sync32k_ick); > > > > You've added hwmod data for this IP block, which is good. This will > > presumably cause the IP block to be idled on boot. But you haven't > > converted this code to use either the hwmod enable code -- just using > > clk_get() isn't enough. (Better would be to use a driver and the PM > > runtime functions, of course, but maybe this runs too early?) > > > > If the 32k sync timer is in OCP force-idle, then that might produce the > > hangs you're seeing. > > > > I tried disabling all idle related flags in hwmod entry but no change in > observation, kernel still hangs. > > I even conformed the register content by connecting debugger, and it is set > to No-idle state. Okay, thanks for testing. Please do update this patch to use omap_hwmod_enable(), etc.; see for example omap_dm_timer_init_one(). - Paul -- 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
