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Subjectlinux-next: build failure after merge of the thermal tree
Hi all,

After merging the thermal tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

drivers/thermal/devfreq_cooling.c: In function 'devfreq_cooling_set_cur_state':
drivers/thermal/devfreq_cooling.c:102:9: error: 'struct device' has no member named 'em_pd'
102 | if (dev->em_pd) {
| ^~
drivers/thermal/devfreq_cooling.c:104:13: error: 'struct device' has no member named 'em_pd'
104 | freq = dev->em_pd->table[perf_idx].frequency * 1000;
| ^~
drivers/thermal/devfreq_cooling.c: In function 'devfreq_cooling_get_requested_power':
drivers/thermal/devfreq_cooling.c:207:23: error: 'struct device' has no member named 'em_pd'
207 | dfc->res_util = dev->em_pd->table[state].power;
| ^~
drivers/thermal/devfreq_cooling.c:217:30: error: 'struct device' has no member named 'em_pd'
217 | perf_idx = get_perf_idx(dev->em_pd, freq / 1000);
| ^~
drivers/thermal/devfreq_cooling.c:226:15: error: 'struct device' has no member named 'em_pd'
226 | *power = dev->em_pd->table[perf_idx].power;
| ^~
drivers/thermal/devfreq_cooling.c: In function 'devfreq_cooling_state2power':
drivers/thermal/devfreq_cooling.c:252:14: error: 'struct device' has no member named 'em_pd'
252 | *power = dev->em_pd->table[perf_idx].power;
| ^~
drivers/thermal/devfreq_cooling.c: In function 'devfreq_cooling_power2state':
drivers/thermal/devfreq_cooling.c:290:23: error: 'struct device' has no member named 'em_pd'
290 | if (est_power >= dev->em_pd->table[i].power)
| ^~
drivers/thermal/devfreq_cooling.c: In function 'of_devfreq_cooling_register_power':
drivers/thermal/devfreq_cooling.c:377:9: error: 'struct device' has no member named 'em_pd'
377 | if (dev->em_pd) {
| ^~
drivers/thermal/devfreq_cooling.c:385:38: error: 'struct device' has no member named 'em_pd'
385 | num_opps = em_pd_nr_perf_states(dev->em_pd);
| ^~

Caused by commit

615510fe13bd ("thermal: devfreq_cooling: remove old power model and use EM")

em_pd is only available when CONFIG_ENERGY_MODEL is set.

I have used the thermal tree from next-20201214 for today.

--
Cheers,
Stephen Rothwell
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