thermal/drivers/cpu_cooling: Rename to cpufreq_cooling

As we introduced the idle injection cooling device called
cpuidle_cooling, let's be consistent and rename the cpu_cooling to
cpufreq_cooling as this one mitigates with OPPs changes.

Signed-off-by: Daniel Lezcano <[e-mail]>
Acked-by: Viresh Kumar <[e-mail]>
Reviewed-by: Amit Kucheria <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

Documentation/driver-api/thermal/exynos_thermal.rst

···
 The exynos thermal driver is structured as::
 
 					Kernel Core thermal framework
-				(thermal_core.c, step_wise.c, cpu_cooling.c)
+				(thermal_core.c, step_wise.c, cpufreq_cooling.c)
 								^
 								|
 								|

MAINTAINERS

···
 S:	Supported
 F:	Documentation/driver-api/thermal/cpu-cooling-api.rst
 F:	Documentation/driver-api/thermal/cpu-idle-cooling.rst
-F:	drivers/thermal/cpu_cooling.c
+F:	drivers/thermal/cpufreq_cooling.c
 F:	drivers/thermal/cpuidle_cooling.c
 F:	include/linux/cpu_cooling.h
 

drivers/thermal/Makefile

···
 thermal_sys-$(CONFIG_THERMAL_GOV_POWER_ALLOCATOR)	+= power_allocator.o
 
 # cpufreq cooling
-thermal_sys-$(CONFIG_CPU_FREQ_THERMAL)	+= cpu_cooling.o
+thermal_sys-$(CONFIG_CPU_FREQ_THERMAL)	+= cpufreq_cooling.o
 thermal_sys-$(CONFIG_CPU_IDLE_THERMAL)	+= cpuidle_cooling.o
 
 # clock cooling

drivers/thermal/clock_cooling.c

···
  *  Copyright (C) 2013	Texas Instruments Inc.
  *  Contact:  Eduardo Valentin <[e-mail]>
  *
- *  Highly based on cpu_cooling.c.
+ *  Highly based on cpufreq_cooling.c.
  *  Copyright (C) 2012	Samsung Electronics Co., Ltd(http://www.samsung.com)
  *  Copyright (C) 2012  Amit Daniel <[e-mail]>
  */

drivers/thermal/cpu_cooling.c drivers/thermal/cpufreq_cooling.c

···
 // SPDX-License-Identifier: GPL-2.0
 /*
- *  linux/drivers/thermal/cpu_cooling.c
+ *  linux/drivers/thermal/cpufreq_cooling.c
  *
  *  Copyright (C) 2012	Samsung Electronics Co., Ltd(http://www.samsung.com)
  *
···
 	struct thermal_cooling_device *cdev = NULL;
 
 	if (!np) {
-		pr_err("cpu_cooling: OF node not available for cpu%d\n",
+		pr_err("cpufreq_cooling: OF node not available for cpu%d\n",
 		       policy->cpu);
 		return NULL;
 	}
···
 
 		cdev = __cpufreq_cooling_register(np, policy, em);
 		if (IS_ERR(cdev)) {
-			pr_err("cpu_cooling: cpu%d failed to register as cooling device: %ld\n",
+			pr_err("cpufreq_cooling: cpu%d failed to register as cooling device: %ld\n",
 			       policy->cpu, PTR_ERR(cdev));
 			cdev = NULL;
 		}

include/linux/clock_cooling.h

···
  *  Copyright (C) 2013	Texas Instruments Inc.
  *  Contact:  Eduardo Valentin <[e-mail]>
  *
- *  Highly based on cpu_cooling.c.
+ *  Highly based on cpufreq_cooling.c.
  *  Copyright (C) 2012	Samsung Electronics Co., Ltd(http://www.samsung.com)
  *  Copyright (C) 2012  Amit Daniel <[e-mail]>
  */