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author | 2020-06-10 09:57:50 +0300 | |
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committer | 2020-07-01 12:10:18 +0300 | |
commit | 5853d602dc581b891cc591ec5f67024bcaacdfcf (patch) | |
tree | 59a5ad0c9f5135351fb08e9b0bde1c437e74b102 /drivers/cpufreq | |
parent | arch: remove unicore32 port (diff) | |
download | linux-5853d602dc581b891cc591ec5f67024bcaacdfcf.tar.gz linux-5853d602dc581b891cc591ec5f67024bcaacdfcf.tar.bz2 linux-5853d602dc581b891cc591ec5f67024bcaacdfcf.zip |
cpufreq: remove unicore32 driver
The unicore32 port is removed from the kernel.
There is no point to keep stale cpufreq driver for this architecture.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r-- | drivers/cpufreq/Makefile | 1 | ||||
-rw-r--r-- | drivers/cpufreq/unicore2-cpufreq.c | 76 |
2 files changed, 0 insertions, 77 deletions
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index f6670c4abbb0..089938ead681 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -108,4 +108,3 @@ obj-$(CONFIG_LOONGSON1_CPUFREQ) += loongson1-cpufreq.o obj-$(CONFIG_SH_CPU_FREQ) += sh-cpufreq.o obj-$(CONFIG_SPARC_US2E_CPUFREQ) += sparc-us2e-cpufreq.o obj-$(CONFIG_SPARC_US3_CPUFREQ) += sparc-us3-cpufreq.o -obj-$(CONFIG_UNICORE32) += unicore2-cpufreq.o diff --git a/drivers/cpufreq/unicore2-cpufreq.c b/drivers/cpufreq/unicore2-cpufreq.c deleted file mode 100644 index 98d392196df2..000000000000 --- a/drivers/cpufreq/unicore2-cpufreq.c +++ /dev/null @@ -1,76 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * clock scaling for the UniCore-II - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn> - * Copyright (C) 2001-2010 Guan Xuetao - */ - -#include <linux/err.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/clk.h> -#include <linux/cpufreq.h> - -#include <mach/hardware.h> - -static struct cpufreq_driver ucv2_driver; - -/* make sure that only the "userspace" governor is run - * -- anything else wouldn't make sense on this platform, anyway. - */ -static int ucv2_verify_speed(struct cpufreq_policy_data *policy) -{ - if (policy->cpu) - return -EINVAL; - - cpufreq_verify_within_cpu_limits(policy); - return 0; -} - -static int ucv2_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) -{ - struct cpufreq_freqs freqs; - int ret; - - freqs.old = policy->cur; - freqs.new = target_freq; - - cpufreq_freq_transition_begin(policy, &freqs); - ret = clk_set_rate(policy->clk, target_freq * 1000); - cpufreq_freq_transition_end(policy, &freqs, ret); - - return ret; -} - -static int __init ucv2_cpu_init(struct cpufreq_policy *policy) -{ - if (policy->cpu != 0) - return -EINVAL; - - policy->min = policy->cpuinfo.min_freq = 250000; - policy->max = policy->cpuinfo.max_freq = 1000000; - policy->clk = clk_get(NULL, "MAIN_CLK"); - return PTR_ERR_OR_ZERO(policy->clk); -} - -static struct cpufreq_driver ucv2_driver = { - .flags = CPUFREQ_STICKY | CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING, - .verify = ucv2_verify_speed, - .target = ucv2_target, - .get = cpufreq_generic_get, - .init = ucv2_cpu_init, - .name = "UniCore-II", -}; - -static int __init ucv2_cpufreq_init(void) -{ - return cpufreq_register_driver(&ucv2_driver); -} - -arch_initcall(ucv2_cpufreq_init); |