diff options
Diffstat (limited to 'drivers/cpufreq/armada-8k-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/armada-8k-cpufreq.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/cpufreq/armada-8k-cpufreq.c b/drivers/cpufreq/armada-8k-cpufreq.c index b0fc5e84f857..d96c1718f7f8 100644 --- a/drivers/cpufreq/armada-8k-cpufreq.c +++ b/drivers/cpufreq/armada-8k-cpufreq.c @@ -21,6 +21,13 @@ #include <linux/pm_opp.h> #include <linux/slab.h> +static const struct of_device_id __maybe_unused armada_8k_cpufreq_of_match[] = { + { .compatible = "marvell,ap806-cpu-clock" }, + { .compatible = "marvell,ap807-cpu-clock" }, + { }, +}; +MODULE_DEVICE_TABLE(of, armada_8k_cpufreq_of_match); + /* * Setup the opps list with the divider for the max frequency, that * will be filled at runtime. @@ -40,7 +47,7 @@ static void __init armada_8k_get_sharing_cpus(struct clk *cur_clk, { int cpu; - for_each_possible_cpu(cpu) { + for_each_present_cpu(cpu) { struct device *cpu_dev; struct clk *clk; @@ -50,7 +57,7 @@ static void __init armada_8k_get_sharing_cpus(struct clk *cur_clk, continue; } - clk = clk_get(cpu_dev, 0); + clk = clk_get(cpu_dev, NULL); if (IS_ERR(clk)) { pr_warn("Cannot get clock for CPU %d\n", cpu); } else { @@ -96,7 +103,7 @@ static void armada_8k_cpufreq_free_table(struct freq_table *freq_tables) { int opps_index, nb_cpus = num_possible_cpus(); - for (opps_index = 0 ; opps_index <= nb_cpus; opps_index++) { + for (opps_index = 0 ; opps_index < nb_cpus; opps_index++) { int i; /* If cpu_dev is NULL then we reached the end of the array */ @@ -125,9 +132,10 @@ static int __init armada_8k_cpufreq_init(void) int ret = 0, opps_index = 0, cpu, nb_cpus; struct freq_table *freq_tables; struct device_node *node; - struct cpumask cpus; + static struct cpumask cpus, shared_cpus; - node = of_find_compatible_node(NULL, NULL, "marvell,ap806-cpu-clock"); + node = of_find_matching_node_and_match(NULL, armada_8k_cpufreq_of_match, + NULL); if (!node || !of_device_is_available(node)) { of_node_put(node); return -ENODEV; @@ -146,7 +154,6 @@ static int __init armada_8k_cpufreq_init(void) * divisions of it). */ for_each_cpu(cpu, &cpus) { - struct cpumask shared_cpus; struct device *cpu_dev; struct clk *clk; @@ -157,7 +164,7 @@ static int __init armada_8k_cpufreq_init(void) continue; } - clk = clk_get(cpu_dev, 0); + clk = clk_get(cpu_dev, NULL); if (IS_ERR(clk)) { pr_err("Cannot get clock for CPU %d\n", cpu); @@ -204,12 +211,6 @@ static void __exit armada_8k_cpufreq_exit(void) } module_exit(armada_8k_cpufreq_exit); -static const struct of_device_id __maybe_unused armada_8k_cpufreq_of_match[] = { - { .compatible = "marvell,ap806-cpu-clock" }, - { }, -}; -MODULE_DEVICE_TABLE(of, armada_8k_cpufreq_of_match); - MODULE_AUTHOR("Gregory Clement <gregory.clement@bootlin.com>"); MODULE_DESCRIPTION("Armada 8K cpufreq driver"); MODULE_LICENSE("GPL"); |
