cpufreq: remove at32ap-cpufreq

Since AVR32 arch was removed, at32ap-cpufreq is useless.
Remove this driver.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

3 files changed, 0 insertions, 138 deletions

diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index d8addbce40bc..608af20a3494 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -239,16 +239,6 @@ if PPC32 || PPC64
 source "drivers/cpufreq/Kconfig.powerpc"
 endif
 
-if AVR32
-config AVR32_AT32AP_CPUFREQ
-        bool "CPU frequency driver for AT32AP"
-        depends on PLATFORM_AT32AP
-        default n
-        help
-          This enables the CPU frequency driver for AT32AP processors.
-          If in doubt, say N.
-endif
-
 if IA64
 config IA64_ACPI_CPUFREQ
         tristate "ACPI Processor P-States driver"
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index e07715ce8844..c60c1e141d9d 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -100,7 +100,6 @@ obj-$(CONFIG_POWERNV_CPUFREQ)		+= powernv-cpufreq.o
 
 ##################################################################################
 # Other platform drivers
-obj-$(CONFIG_AVR32_AT32AP_CPUFREQ)      += at32ap-cpufreq.o
 obj-$(CONFIG_BFIN_CPU_FREQ)             += blackfin-cpufreq.o
 obj-$(CONFIG_BMIPS_CPUFREQ)             += bmips-cpufreq.o
 obj-$(CONFIG_CRIS_MACH_ARTPEC3)         += cris-artpec3-cpufreq.o
diff --git a/drivers/cpufreq/at32ap-cpufreq.c b/drivers/cpufreq/at32ap-cpufreq.c
deleted file mode 100644
index 7b612c8bb09e..000000000000
--- a/drivers/cpufreq/at32ap-cpufreq.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Copyright (C) 2004-2007 Atmel Corporation
- *
- * Based on MIPS implementation arch/mips/kernel/time.c
- *   Copyright 2001 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-/*#define DEBUG*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/cpufreq.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/export.h>
-#include <linux/slab.h>
-
-static struct cpufreq_frequency_table *freq_table;
-
-static unsigned int     ref_freq;
-static unsigned long    loops_per_jiffy_ref;
-
-static int at32_set_target(struct cpufreq_policy *policy, unsigned int index)
-{
-        unsigned int old_freq, new_freq;
-
-        old_freq = policy->cur;
-        new_freq = freq_table[index].frequency;
-
-        if (!ref_freq) {
-                ref_freq = old_freq;
-                loops_per_jiffy_ref = boot_cpu_data.loops_per_jiffy;
-        }
-
-        if (old_freq < new_freq)
-                boot_cpu_data.loops_per_jiffy = cpufreq_scale(
-                                loops_per_jiffy_ref, ref_freq, new_freq);
-        clk_set_rate(policy->clk, new_freq * 1000);
-        if (new_freq < old_freq)
-                boot_cpu_data.loops_per_jiffy = cpufreq_scale(
-                                loops_per_jiffy_ref, ref_freq, new_freq);
-
-        return 0;
-}
-
-static int at32_cpufreq_driver_init(struct cpufreq_policy *policy)
-{
-        unsigned int frequency, rate, min_freq;
-        struct clk *cpuclk;
-        int retval, steps, i;
-
-        if (policy->cpu != 0)
-                return -EINVAL;
-
-        cpuclk = clk_get(NULL, "cpu");
-        if (IS_ERR(cpuclk)) {
-                pr_debug("cpufreq: could not get CPU clk\n");
-                retval = PTR_ERR(cpuclk);
-                goto out_err;
-        }
-
-        min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000;
-        frequency = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
-        policy->cpuinfo.transition_latency = 0;
-
-        /*
-         * AVR32 CPU frequency rate scales in power of two between maximum and
-         * minimum, also add space for the table end marker.
-         *
-         * Further validate that the frequency is usable, and append it to the
-         * frequency table.
-         */
-        steps = fls(frequency / min_freq) + 1;
-        freq_table = kzalloc(steps * sizeof(struct cpufreq_frequency_table),
-                        GFP_KERNEL);
-        if (!freq_table) {
-                retval = -ENOMEM;
-                goto out_err_put_clk;
-        }
-
-        for (i = 0; i < (steps - 1); i++) {
-                rate = clk_round_rate(cpuclk, frequency * 1000) / 1000;
-
-                if (rate != frequency)
-                        freq_table[i].frequency = CPUFREQ_ENTRY_INVALID;
-                else
-                        freq_table[i].frequency = frequency;
-
-                frequency /= 2;
-        }
-
-        policy->clk = cpuclk;
-        freq_table[steps - 1].frequency = CPUFREQ_TABLE_END;
-
-        retval = cpufreq_table_validate_and_show(policy, freq_table);
-        if (!retval) {
-                printk("cpufreq: AT32AP CPU frequency driver\n");
-                return 0;
-        }
-
-        kfree(freq_table);
-out_err_put_clk:
-        clk_put(cpuclk);
-out_err:
-        return retval;
-}
-
-static struct cpufreq_driver at32_driver = {
-        .name           = "at32ap",
-        .init           = at32_cpufreq_driver_init,
-        .verify         = cpufreq_generic_frequency_table_verify,
-        .target_index   = at32_set_target,
-        .get            = cpufreq_generic_get,
-        .flags          = CPUFREQ_STICKY,
-};
-
-static int __init at32_cpufreq_init(void)
-{
-        return cpufreq_register_driver(&at32_driver);
-}
-late_initcall(at32_cpufreq_init);