On 21/08/2019 15:25:54+0200, Sebastian Andrzej Siewior wrote: > On 2019-08-20 17:44:18 [+0200], Alexandre Belloni wrote: > > Hi, > Hi, > > > On 19/08/2019 13:03:51+0200, Alexander Dahl wrote: > > > Hei hei, > > > > > > just tried to compile this v5.2.9-rt3 for SAMA5D27-SOM1-EK1 based on > > > arch/arm/configs/sama5_defconfig and with running oldconfig and selecting > > > defaults, but that fails if CONFIG_ATMEL_TCB_CLKSRC_USE_SLOW_CLOCK is not set. > > > > > > I think this is due to changes for Atmel TCLIB in v5.2 and the not yet adapted > > > RT patch "clocksource: TCLIB: Allow higher clock rates for clock events", > > > right? > > > > Patch clocksource-tclib-allow-higher-clockrates.patch needs to be > > changed so: > > > > ret = setup_clkevents(tc, best_divisor_idx); > > > > becomes > > > > ret = setup_clkevents(&tc, best_divisor_idx); > > > > I will fix that locally. > > > Also, I would think clocksource-tclib-add-proper-depend.patch could be > > dropped. Instead, setup_clkevents should use atmel_tcb_divisors. It > > would then be necessary to move its declaration before the function. > > > > Sebastian, can you take care of that or do you expect a patch? In the > > latter case, do you want a patch for the patch? > > For the second part I would appreciate a patch. I can then drop > clocksource-tclib-add-proper-depend.patch if it is not an issue. > I'm not sure it is worth it as the issue is introduced by clocksource-tclib-allow-higher-clockrates.patch. Shouldn't we fix it directly? -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com