1 files changed, 0 insertions, 150 deletions
diff --git a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c
deleted file mode 100644
index 6f0c32592416..000000000000
--- a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c
+++ /dev/null
@@ -1,150 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * pmi backend for the cbe_cpufreq driver
- *
- * (C) Copyright IBM Deutschland Entwicklung GmbH 2005-2007
- *
- * Author: Christian Krafft <krafft@de.ibm.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/pm_qos.h>
-#include <linux/slab.h>
-
-#include <asm/processor.h>
-#include <asm/pmi.h>
-#include <asm/cell-regs.h>
-
-#ifdef DEBUG
-#include <asm/time.h>
-#endif
-
-#include "ppc_cbe_cpufreq.h"
-
-bool cbe_cpufreq_has_pmi = false;
-EXPORT_SYMBOL_GPL(cbe_cpufreq_has_pmi);
-
-/*
- * hardware specific functions
- */
-
-int cbe_cpufreq_set_pmode_pmi(int cpu, unsigned int pmode)
-{
-	int ret;
-	pmi_message_t pmi_msg;
-#ifdef DEBUG
-	long time;
-#endif
-	pmi_msg.type = PMI_TYPE_FREQ_CHANGE;
-	pmi_msg.data1 =	cbe_cpu_to_node(cpu);
-	pmi_msg.data2 = pmode;
-
-#ifdef DEBUG
-	time = jiffies;
-#endif
-	pmi_send_message(pmi_msg);
-
-#ifdef DEBUG
-	time = jiffies  - time;
-	time = jiffies_to_msecs(time);
-	pr_debug("had to wait %lu ms for a transition using " \
-		 "PMI\n", time);
-#endif
-	ret = pmi_msg.data2;
-	pr_debug("PMI returned slow mode %d\n", ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(cbe_cpufreq_set_pmode_pmi);
-
-
-static void cbe_cpufreq_handle_pmi(pmi_message_t pmi_msg)
-{
-	struct cpufreq_policy *policy;
-	struct freq_qos_request *req;
-	u8 node, slow_mode;
-	int cpu, ret;
-
-	BUG_ON(pmi_msg.type != PMI_TYPE_FREQ_CHANGE);
-
-	node = pmi_msg.data1;
-	slow_mode = pmi_msg.data2;
-
-	cpu = cbe_node_to_cpu(node);
-
-	pr_debug("cbe_handle_pmi: node: %d max_freq: %d\n", node, slow_mode);
-
-	policy = cpufreq_cpu_get(cpu);
-	if (!policy) {
-		pr_warn("cpufreq policy not found cpu%d\n", cpu);
-		return;
-	}
-
-	req = policy->driver_data;
-
-	ret = freq_qos_update_request(req,
-			policy->freq_table[slow_mode].frequency);
-	if (ret < 0)
-		pr_warn("Failed to update freq constraint: %d\n", ret);
-	else
-		pr_debug("limiting node %d to slow mode %d\n", node, slow_mode);
-
-	cpufreq_cpu_put(policy);
-}
-
-static struct pmi_handler cbe_pmi_handler = {
-	.type			= PMI_TYPE_FREQ_CHANGE,
-	.handle_pmi_message	= cbe_cpufreq_handle_pmi,
-};
-
-void cbe_cpufreq_pmi_policy_init(struct cpufreq_policy *policy)
-{
-	struct freq_qos_request *req;
-	int ret;
-
-	if (!cbe_cpufreq_has_pmi)
-		return;
-
-	req = kzalloc(sizeof(*req), GFP_KERNEL);
-	if (!req)
-		return;
-
-	ret = freq_qos_add_request(&policy->constraints, req, FREQ_QOS_MAX,
-				   policy->freq_table[0].frequency);
-	if (ret < 0) {
-		pr_err("Failed to add freq constraint (%d)\n", ret);
-		kfree(req);
-		return;
-	}
-
-	policy->driver_data = req;
-}
-EXPORT_SYMBOL_GPL(cbe_cpufreq_pmi_policy_init);
-
-void cbe_cpufreq_pmi_policy_exit(struct cpufreq_policy *policy)
-{
-	struct freq_qos_request *req = policy->driver_data;
-
-	if (cbe_cpufreq_has_pmi) {
-		freq_qos_remove_request(req);
-		kfree(req);
-	}
-}
-EXPORT_SYMBOL_GPL(cbe_cpufreq_pmi_policy_exit);
-
-void cbe_cpufreq_pmi_init(void)
-{
-	if (!pmi_register_handler(&cbe_pmi_handler))
-		cbe_cpufreq_has_pmi = true;
-}
-EXPORT_SYMBOL_GPL(cbe_cpufreq_pmi_init);
-
-void cbe_cpufreq_pmi_exit(void)
-{
-	pmi_unregister_handler(&cbe_pmi_handler);
-	cbe_cpufreq_has_pmi = false;
-}
-EXPORT_SYMBOL_GPL(cbe_cpufreq_pmi_exit);