cpuidle: remove drivers/cpuidle

Since generic cpuidle module is loaded by lowlevel cpuidle drivers which
are loaded dynamically during boot, we don't need drivers/cpuidle any
more

Signed-off-by: Fredrik Holmqvist <[email protected]>

src/add-ons/kernel/drivers/Jamfile

@@ -4,7 +4,6 @@ SubInclude HAIKU_TOP src add-ons kernel drivers bluetooth ;
 SubInclude HAIKU_TOP src add-ons kernel drivers bus ;
 SubInclude HAIKU_TOP src add-ons kernel drivers audio ;
 SubInclude HAIKU_TOP src add-ons kernel drivers common ;
-SubInclude HAIKU_TOP src add-ons kernel drivers cpuidle ;
 SubInclude HAIKU_TOP src add-ons kernel drivers disk ;
 SubInclude HAIKU_TOP src add-ons kernel drivers dvb ;
 SubInclude HAIKU_TOP src add-ons kernel drivers input ;

src/add-ons/kernel/drivers/cpuidle/Jamfile

@@ -1,7 +0,0 @@
-SubDir HAIKU_TOP src add-ons kernel drivers cpuidle ;
-
-UsePrivateKernelHeaders ;
-
-KernelAddon <driver>cpuidle :
-	cpuidle.cpp
-	;

src/add-ons/kernel/drivers/cpuidle/cpuidle.cpp

@@ -1,150 +0,0 @@
-/*
- * Copyright 2012, Haiku, Inc. All Rights Reserved.
- * Distributed under the terms of the MIT License.
- *
- * Authors:
- *		Yongcong Du <[email protected]>
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <smp.h>
-
-#include <Drivers.h>
-#include <KernelExport.h>
-
-#include <cpuidle.h>
-
-#define DEVICE_NAME "cpuidle"
-
-int32 api_version = B_CUR_DRIVER_API_VERSION;
-
-static GenCpuidle *sGenCpuidle;
-
-static status_t
-cpuidle_open(const char *name, uint32 flags, void **cookie)
-{
-	*cookie = NULL;
-	return B_OK;
-}
-
-
-static status_t
-cpuidle_close(void *cookie)
-{
-	return B_OK;
-}
-
-
-static status_t
-cpuidle_free(void *cookie)
-{
-	return B_OK;
-}
-
-
-static status_t
-cpuidle_ioctl(void *cookie, uint32 op, void *buffer, size_t length)
-{
-	return B_OK;
-}
-
-
-static status_t
-cpuidle_read(void *cookie, off_t pos, void *buffer, size_t *length)
-{
-	if (pos != 0) {
-		*length = 0;
-		return B_OK;
-	}
-	char *str = (char *)buffer;
-	size_t max_len = *length;
-	int32 stateCount = sGenCpuidle->GetIdleStateCount();
-	int32 bytes = snprintf(str, max_len, "C-STATE COUNT: %"B_PRId32"\n", stateCount);
-	max_len-= bytes;
-	str += bytes;
-	int32 cpu = smp_get_num_cpus();
-
-	for (int32 i = 0; i < cpu; i++) {
-		bytes = snprintf(str, max_len, "CPU%"B_PRId32"\n", i);
-		max_len-= bytes;
-		str += bytes;
-		for (int32 j = 1; j < stateCount; j++) {
-			CpuidleStat stat;
-			bytes = snprintf(str, max_len, "%s\n", sGenCpuidle->GetIdleStateName(j));
-			max_len-= bytes;
-			str += bytes;
-			sGenCpuidle->GetIdleStateInfo(i, j, &stat);
-			bytes = snprintf(str, max_len, "%lld %lldus\n",
-							stat.usageCount, stat.usageTime);
-			max_len-= bytes;
-			str += bytes;
-		}
-	}
-	*length = strlen((char *)buffer);
-
-	return B_OK;
-}
-
-
-static status_t
-cpuidle_write(void *cookie, off_t pos, const void *buffer, size_t *_length)
-{
-	return B_OK;
-}
-
-
-status_t
-init_hardware(void)
-{
-	return B_OK;
-}
-
-
-const char **
-publish_devices(void)
-{
-	static const char *devices[] = {
-		DEVICE_NAME,
-		NULL
-	};
-
-	return devices;
-}
-
-
-device_hooks *
-find_device(const char *name)
-{
-	static device_hooks hooks = {
-		&cpuidle_open,
-		&cpuidle_close,
-		&cpuidle_free,
-		&cpuidle_ioctl,
-		&cpuidle_read,
-		&cpuidle_write,
-	};
-
-
-	return &hooks;
-}
-
-
-status_t
-init_driver(void)
-{
-	status_t err;
-
-	err = get_module(B_CPUIDLE_MODULE_NAME, (module_info **)&sGenCpuidle);
-	if (err != B_OK) {
-		dprintf("can't load "B_CPUIDLE_MODULE_NAME"\n");
-	}
-	return B_OK;
-}
-
-
-void
-uninit_driver(void)
-{
-	put_module(B_CPUIDLE_MODULE_NAME);
-}