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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2023-08-30 16:06:38 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2023-08-30 16:06:38 -0700
commit1ac731c529cd4d6adbce134754b51ff7d822b145 (patch)
tree143ab3f35ca5f3b69f583c84e6964b17139c2ec1 /drivers/cpufreq/cpufreq.c
parent07b4c950f27bef0362dc6ad7ee713aab61d58149 (diff)
parent54116d442e001e1b6bd482122043b1870998a1f3 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
-rw-r--r--drivers/cpufreq/cpufreq.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 6d8fd3b8dcb52..6b52ebe5a8904 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -73,6 +73,11 @@ static inline bool has_target(void)
return cpufreq_driver->target_index || cpufreq_driver->target;
}
+bool has_target_index(void)
+{
+ return !!cpufreq_driver->target_index;
+}
+
/* internal prototypes */
static unsigned int __cpufreq_get(struct cpufreq_policy *policy);
static int cpufreq_init_governor(struct cpufreq_policy *policy);
@@ -725,9 +730,9 @@ static ssize_t store_##file_name \
unsigned long val; \
int ret; \
\
- ret = sscanf(buf, "%lu", &val); \
- if (ret != 1) \
- return -EINVAL; \
+ ret = kstrtoul(buf, 0, &val); \
+ if (ret) \
+ return ret; \
\
ret = freq_qos_update_request(policy->object##_freq_req, val);\
return ret >= 0 ? count : ret; \
@@ -1727,7 +1732,7 @@ static unsigned int cpufreq_verify_current_freq(struct cpufreq_policy *policy, b
* MHz. In such cases it is better to avoid getting into
* unnecessary frequency updates.
*/
- if (abs(policy->cur - new_freq) < HZ_PER_MHZ)
+ if (abs(policy->cur - new_freq) < KHZ_PER_MHZ)
return policy->cur;
cpufreq_out_of_sync(policy, new_freq);
@@ -2932,11 +2937,16 @@ EXPORT_SYMBOL_GPL(cpufreq_unregister_driver);
static int __init cpufreq_core_init(void)
{
struct cpufreq_governor *gov = cpufreq_default_governor();
+ struct device *dev_root;
if (cpufreq_disabled())
return -ENODEV;
- cpufreq_global_kobject = kobject_create_and_add("cpufreq", &cpu_subsys.dev_root->kobj);
+ dev_root = bus_get_dev_root(&cpu_subsys);
+ if (dev_root) {
+ cpufreq_global_kobject = kobject_create_and_add("cpufreq", &dev_root->kobj);
+ put_device(dev_root);
+ }
BUG_ON(!cpufreq_global_kobject);
if (!strlen(default_governor))