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cpufreq: Give driver used for dbx500 family a more generic name

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This driver doesn't only handle cpufreq functionality for the
db8500 anymore. There are new variants which rely on it too.
Let's make the name a bit more generic.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Lee Jones 2012-12-10 16:25:38 +01:00 committed by Linus Walleij
parent d1c3ed669a
commit edb10c11c9
2 changed files with 30 additions and 30 deletions
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2
drivers/cpufreq/Makefile
View File

@ -41,7 +41,7 @@ obj-$(CONFIG_X86_CPUFREQ_NFORCE2) += cpufreq-nforce2.o
##################################################################################
# ARM SoC drivers
obj-$(CONFIG_UX500_SOC_DB8500) += db8500-cpufreq.o
obj-$(CONFIG_UX500_SOC_DB8500) += dbx500-cpufreq.o
obj-$(CONFIG_ARM_S3C2416_CPUFREQ) += s3c2416-cpufreq.o
obj-$(CONFIG_ARM_S3C64XX_CPUFREQ) += s3c64xx-cpufreq.o
obj-$(CONFIG_ARM_S5PV210_CPUFREQ) += s5pv210-cpufreq.o

58
drivers/cpufreq/db8500-cpufreq.c → drivers/cpufreq/dbx500-cpufreq.c
View File

@ -20,17 +20,17 @@
static struct cpufreq_frequency_table *freq_table;
static struct clk *armss_clk;
static struct freq_attr *db8500_cpufreq_attr[] = {
static struct freq_attr *dbx500_cpufreq_attr[] = {
&cpufreq_freq_attr_scaling_available_freqs,
NULL,
};
static int db8500_cpufreq_verify_speed(struct cpufreq_policy *policy)
static int dbx500_cpufreq_verify_speed(struct cpufreq_policy *policy)
{
return cpufreq_frequency_table_verify(policy, freq_table);
}
static int db8500_cpufreq_target(struct cpufreq_policy *policy,
static int dbx500_cpufreq_target(struct cpufreq_policy *policy,
unsigned int target_freq,
unsigned int relation)
{
@ -61,7 +61,7 @@ static int db8500_cpufreq_target(struct cpufreq_policy *policy,
/* update armss clk frequency */
if (clk_set_rate(armss_clk, freq_table[idx].frequency * 1000)) {
pr_err("db8500-cpufreq: Failed to update armss clk\n");
pr_err("dbx500-cpufreq: Failed to update armss clk\n");
return -EINVAL;
}
@ -72,7 +72,7 @@ static int db8500_cpufreq_target(struct cpufreq_policy *policy,
return 0;
}
static unsigned int db8500_cpufreq_getspeed(unsigned int cpu)
static unsigned int dbx500_cpufreq_getspeed(unsigned int cpu)
{
int i = 0;
unsigned long freq = clk_get_rate(armss_clk) / 1000;
@ -84,22 +84,22 @@ static unsigned int db8500_cpufreq_getspeed(unsigned int cpu)
}
/* We could not find a corresponding frequency. */
pr_err("db8500-cpufreq: Failed to find cpufreq speed\n");
pr_err("dbx500-cpufreq: Failed to find cpufreq speed\n");
return 0;
}
static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
static int __cpuinit dbx500_cpufreq_init(struct cpufreq_policy *policy)
{
int i = 0;
int res;
armss_clk = clk_get(NULL, "armss");
if (IS_ERR(armss_clk)) {
pr_err("db8500-cpufreq : Failed to get armss clk\n");
pr_err("dbx500-cpufreq : Failed to get armss clk\n");
return PTR_ERR(armss_clk);
}
pr_info("db8500-cpufreq : Available frequencies:\n");
pr_info("dbx500-cpufreq : Available frequencies:\n");
while (freq_table[i].frequency != CPUFREQ_TABLE_END) {
pr_info(" %d Mhz\n", freq_table[i].frequency/1000);
i++;
@ -110,14 +110,14 @@ static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
if (!res)
cpufreq_frequency_table_get_attr(freq_table, policy->cpu);
else {
pr_err("db8500-cpufreq : Failed to read policy table\n");
pr_err("dbx500-cpufreq : Failed to read policy table\n");
clk_put(armss_clk);
return res;
}
policy->min = policy->cpuinfo.min_freq;
policy->max = policy->cpuinfo.max_freq;
policy->cur = db8500_cpufreq_getspeed(policy->cpu);
policy->cur = dbx500_cpufreq_getspeed(policy->cpu);
policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
/*
@ -135,45 +135,45 @@ static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
return 0;
}
static struct cpufreq_driver db8500_cpufreq_driver = {
static struct cpufreq_driver dbx500_cpufreq_driver = {
.flags = CPUFREQ_STICKY,
.verify = db8500_cpufreq_verify_speed,
.target = db8500_cpufreq_target,
.get = db8500_cpufreq_getspeed,
.init = db8500_cpufreq_init,
.name = "DB8500",
.attr = db8500_cpufreq_attr,
.verify = dbx500_cpufreq_verify_speed,
.target = dbx500_cpufreq_target,
.get = dbx500_cpufreq_getspeed,
.init = dbx500_cpufreq_init,
.name = "DBX500",
.attr = dbx500_cpufreq_attr,
};
static int db8500_cpufreq_probe(struct platform_device *pdev)
static int dbx500_cpufreq_probe(struct platform_device *pdev)
{
freq_table = dev_get_platdata(&pdev->dev);
if (!freq_table) {
pr_err("db8500-cpufreq: Failed to fetch cpufreq table\n");
pr_err("dbx500-cpufreq: Failed to fetch cpufreq table\n");
return -ENODEV;
}
return cpufreq_register_driver(&db8500_cpufreq_driver);
return cpufreq_register_driver(&dbx500_cpufreq_driver);
}
static struct platform_driver db8500_cpufreq_plat_driver = {
static struct platform_driver dbx500_cpufreq_plat_driver = {
.driver = {
.name = "cpufreq-u8500",
.name = "cpufreq-ux500",
.owner = THIS_MODULE,
},
.probe = db8500_cpufreq_probe,
.probe = dbx500_cpufreq_probe,
};
static int __init db8500_cpufreq_register(void)
static int __init dbx500_cpufreq_register(void)
{
if (!cpu_is_u8500_family())
return -ENODEV;
pr_info("cpufreq for DB8500 started\n");
return platform_driver_register(&db8500_cpufreq_plat_driver);
pr_info("cpufreq for DBX500 started\n");
return platform_driver_register(&dbx500_cpufreq_plat_driver);
}
device_initcall(db8500_cpufreq_register);
device_initcall(dbx500_cpufreq_register);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("cpufreq driver for DB8500");
MODULE_DESCRIPTION("cpufreq driver for DBX500");