cpufreq: mvebu: Move cpufreq code into drivers/cpufreq/

[deliverable/linux.git] / arch / arm / mach-mvebu / pmsu.c

diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
index 8928f7caaf70759d8397ac45c2d3f35e9c0b0825..b44442338e4e4730630e92b1a372d1b6a175bb8a 100644 (file)
--- a/arch/arm/mach-mvebu/pmsu.c
+++ b/arch/arm/mach-mvebu/pmsu.c
@@ -28,7 +28,6 @@
 #include <linux/of_address.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
-#include <linux/pm_opp.h>
 #include <linux/resource.h>
 #include <linux/slab.h>
 #include <linux/smp.h>
@@ -607,87 +606,3 @@ int mvebu_pmsu_dfs_request(int cpu)
 
        return 0;
 }
-
-static int __init armada_xp_pmsu_cpufreq_init(void)
-{
-       struct device_node *np;
-       struct resource res;
-       int ret, cpu;
-
-       if (!of_machine_is_compatible("marvell,armadaxp"))
-               return 0;
-
-       /*
-        * In order to have proper cpufreq handling, we need to ensure
-        * that the Device Tree description of the CPU clock includes
-        * the definition of the PMU DFS registers. If not, we do not
-        * register the clock notifier and the cpufreq driver. This
-        * piece of code is only for compatibility with old Device
-        * Trees.
-        */
-       np = of_find_compatible_node(NULL, NULL, "marvell,armada-xp-cpu-clock");
-       if (!np)
-               return 0;
-
-       ret = of_address_to_resource(np, 1, &res);
-       if (ret) {
-               pr_warn(FW_WARN "not enabling cpufreq, deprecated armada-xp-cpu-clock binding\n");
-               of_node_put(np);
-               return 0;
-       }
-
-       of_node_put(np);
-
-       /*
-        * For each CPU, this loop registers the operating points
-        * supported (which are the nominal CPU frequency and half of
-        * it), and registers the clock notifier that will take care
-        * of doing the PMSU part of a frequency transition.
-        */
-       for_each_possible_cpu(cpu) {
-               struct device *cpu_dev;
-               struct clk *clk;
-               int ret;
-
-               cpu_dev = get_cpu_device(cpu);
-               if (!cpu_dev) {
-                       pr_err("Cannot get CPU %d\n", cpu);
-                       continue;
-               }
-
-               clk = clk_get(cpu_dev, 0);
-               if (IS_ERR(clk)) {
-                       pr_err("Cannot get clock for CPU %d\n", cpu);
-                       return PTR_ERR(clk);
-               }
-
-               /*
-                * In case of a failure of dev_pm_opp_add(), we don't
-                * bother with cleaning up the registered OPP (there's
-                * no function to do so), and simply cancel the
-                * registration of the cpufreq device.
-                */
-               ret = dev_pm_opp_add(cpu_dev, clk_get_rate(clk), 0);
-               if (ret) {
-                       clk_put(clk);
-                       return ret;
-               }
-
-               ret = dev_pm_opp_add(cpu_dev, clk_get_rate(clk) / 2, 0);
-               if (ret) {
-                       clk_put(clk);
-                       return ret;
-               }
-
-               ret = dev_pm_opp_set_sharing_cpus(cpu_dev,
-                                                 cpumask_of(cpu_dev->id));
-               if (ret)
-                       dev_err(cpu_dev, "%s: failed to mark OPPs as shared: %d\n",
-                               __func__, ret);
-       }
-
-       platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
-       return 0;
-}
-
-device_initcall(armada_xp_pmsu_cpufreq_init);