cpufreq: remove cris specific drivers

The cris architecture is getting removed, including the artpec3
and etraxfs SoCs, so these cpufreq drivers are now unused.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/cpufreq/Makefile

@@ -101,8 +101,6 @@ obj-$(CONFIG_POWERNV_CPUFREQ)		+= powernv-cpufreq.o
 ##################################################################################
 # Other platform drivers
 obj-$(CONFIG_BMIPS_CPUFREQ)		+= bmips-cpufreq.o
-obj-$(CONFIG_CRIS_MACH_ARTPEC3)		+= cris-artpec3-cpufreq.o
-obj-$(CONFIG_ETRAXFS)			+= cris-etraxfs-cpufreq.o
 obj-$(CONFIG_IA64_ACPI_CPUFREQ)		+= ia64-acpi-cpufreq.o
 obj-$(CONFIG_LOONGSON2_CPUFREQ)		+= loongson2_cpufreq.o
 obj-$(CONFIG_LOONGSON1_CPUFREQ)		+= loongson1-cpufreq.o

drivers/cpufreq/cris-artpec3-cpufreq.c

-// SPDX-License-Identifier: GPL-2.0
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/cpufreq.h>
-#include <hwregs/reg_map.h>
-#include <hwregs/reg_rdwr.h>
-#include <hwregs/clkgen_defs.h>
-#include <hwregs/ddr2_defs.h>
-
-static int
-cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val,
-	void *data);
-
-static struct notifier_block cris_sdram_freq_notifier_block = {
-	.notifier_call = cris_sdram_freq_notifier
-};
-
-static struct cpufreq_frequency_table cris_freq_table[] = {
-	{0, 0x01, 6000},
-	{0, 0x02, 200000},
-	{0, 0, CPUFREQ_TABLE_END},
-};
-
-static unsigned int cris_freq_get_cpu_frequency(unsigned int cpu)
-{
-	reg_clkgen_rw_clk_ctrl clk_ctrl;
-	clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl);
-	return clk_ctrl.pll ? 200000 : 6000;
-}
-
-static int cris_freq_target(struct cpufreq_policy *policy, unsigned int state)
-{
-	reg_clkgen_rw_clk_ctrl clk_ctrl;
-	clk_ctrl = REG_RD(clkgen, regi_clkgen, rw_clk_ctrl);
-
-	local_irq_disable();
-
-	/* Even though we may be SMP they will share the same clock
-	 * so all settings are made on CPU0. */
-	if (cris_freq_table[state].frequency == 200000)
-		clk_ctrl.pll = 1;
-	else
-		clk_ctrl.pll = 0;
-	REG_WR(clkgen, regi_clkgen, rw_clk_ctrl, clk_ctrl);
-
-	local_irq_enable();
-
-	return 0;
-}
-
-static int cris_freq_cpu_init(struct cpufreq_policy *policy)
-{
-	return cpufreq_generic_init(policy, cris_freq_table, 1000000);
-}
-
-static struct cpufreq_driver cris_freq_driver = {
-	.get	= cris_freq_get_cpu_frequency,
-	.verify	= cpufreq_generic_frequency_table_verify,
-	.target_index = cris_freq_target,
-	.init	= cris_freq_cpu_init,
-	.name	= "cris_freq",
-	.attr	= cpufreq_generic_attr,
-};
-
-static int __init cris_freq_init(void)
-{
-	int ret;
-	ret = cpufreq_register_driver(&cris_freq_driver);
-	cpufreq_register_notifier(&cris_sdram_freq_notifier_block,
-		CPUFREQ_TRANSITION_NOTIFIER);
-	return ret;
-}
-
-static int
-cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val,
-	void *data)
-{
-	int i;
-	struct cpufreq_freqs *freqs = data;
-	if (val == CPUFREQ_PRECHANGE) {
-		reg_ddr2_rw_cfg cfg =
-		  REG_RD(ddr2, regi_ddr2_ctrl, rw_cfg);
-		cfg.ref_interval = (freqs->new == 200000 ? 1560 : 46);
-
-		if (freqs->new == 200000)
-			for (i = 0; i < 50000; i++);
-		REG_WR(bif_core, regi_bif_core, rw_sdram_timing, timing);
-	}
-	return 0;
-}
-
-
-module_init(cris_freq_init);

drivers/cpufreq/cris-etraxfs-cpufreq.c

-// SPDX-License-Identifier: GPL-2.0
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/cpufreq.h>
-#include <hwregs/reg_map.h>
-#include <arch/hwregs/reg_rdwr.h>
-#include <arch/hwregs/config_defs.h>
-#include <arch/hwregs/bif_core_defs.h>
-
-static int
-cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val,
-			 void *data);
-
-static struct notifier_block cris_sdram_freq_notifier_block = {
-	.notifier_call = cris_sdram_freq_notifier
-};
-
-static struct cpufreq_frequency_table cris_freq_table[] = {
-	{0, 0x01, 6000},
-	{0, 0x02, 200000},
-	{0, 0, CPUFREQ_TABLE_END},
-};
-
-static unsigned int cris_freq_get_cpu_frequency(unsigned int cpu)
-{
-	reg_config_rw_clk_ctrl clk_ctrl;
-	clk_ctrl = REG_RD(config, regi_config, rw_clk_ctrl);
-	return clk_ctrl.pll ? 200000 : 6000;
-}
-
-static int cris_freq_target(struct cpufreq_policy *policy, unsigned int state)
-{
-	reg_config_rw_clk_ctrl clk_ctrl;
-	clk_ctrl = REG_RD(config, regi_config, rw_clk_ctrl);
-
-	local_irq_disable();
-
-	/* Even though we may be SMP they will share the same clock
-	 * so all settings are made on CPU0. */
-	if (cris_freq_table[state].frequency == 200000)
-		clk_ctrl.pll = 1;
-	else
-		clk_ctrl.pll = 0;
-	REG_WR(config, regi_config, rw_clk_ctrl, clk_ctrl);
-
-	local_irq_enable();
-
-	return 0;
-}
-
-static int cris_freq_cpu_init(struct cpufreq_policy *policy)
-{
-	return cpufreq_generic_init(policy, cris_freq_table, 1000000);
-}
-
-static struct cpufreq_driver cris_freq_driver = {
-	.get = cris_freq_get_cpu_frequency,
-	.verify = cpufreq_generic_frequency_table_verify,
-	.target_index = cris_freq_target,
-	.init = cris_freq_cpu_init,
-	.name = "cris_freq",
-	.attr = cpufreq_generic_attr,
-};
-
-static int __init cris_freq_init(void)
-{
-	int ret;
-	ret = cpufreq_register_driver(&cris_freq_driver);
-	cpufreq_register_notifier(&cris_sdram_freq_notifier_block,
-				  CPUFREQ_TRANSITION_NOTIFIER);
-	return ret;
-}
-
-static int
-cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val,
-			 void *data)
-{
-	int i;
-	struct cpufreq_freqs *freqs = data;
-	if (val == CPUFREQ_PRECHANGE) {
-		reg_bif_core_rw_sdram_timing timing =
-		    REG_RD(bif_core, regi_bif_core, rw_sdram_timing);
-		timing.cpd = (freqs->new == 200000 ? 0 : 1);
-
-		if (freqs->new == 200000)
-			for (i = 0; i < 50000; i++) ;
-		REG_WR(bif_core, regi_bif_core, rw_sdram_timing, timing);
-	}
-	return 0;
-}
-
-module_init(cris_freq_init);