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authorLinus Torvalds <torvalds@linux-foundation.org>2023-08-11 12:24:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-08-11 12:24:22 -0700
commit9578b04c32397e664bd4643c8b7f525728df3028 (patch)
tree86b4d318df703e1ce597ce8c8f13fb7b3510a4cb
parent360e694282fce69608e2775bf843b2aafd19e4b4 (diff)
parent4778e1288447d9f90d87df07d195dc89e290d973 (diff)
downloadlinux-9578b04c32397e664bd4643c8b7f525728df3028.tar.gz
Merge tag 'pm-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki: "These fix an amd-pstate cpufreq driver issues and recently introduced hibernation-related breakage. Specifics: - Make amd-pstate use device_attributes as expected by the CPU root kobject (Thomas Weißschuh) - Restore the previous behavior of resume_store() when hibernation is not available which is to return the full number of bytes that were to be written by user space (Vlastimil Babka)" * tag 'pm-6.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: amd-pstate: fix global sysfs attribute type PM: hibernate: fix resume_store() return value when hibernation not available
-rw-r--r--drivers/cpufreq/amd-pstate.c10
-rw-r--r--kernel/power/hibernate.c2
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 81fba0dcbee990..9a1e194d5cf882 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -1012,8 +1012,8 @@ static int amd_pstate_update_status(const char *buf, size_t size)
return 0;
}
-static ssize_t show_status(struct kobject *kobj,
- struct kobj_attribute *attr, char *buf)
+static ssize_t status_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
ssize_t ret;
@@ -1024,7 +1024,7 @@ static ssize_t show_status(struct kobject *kobj,
return ret;
}
-static ssize_t store_status(struct kobject *a, struct kobj_attribute *b,
+static ssize_t status_store(struct device *a, struct device_attribute *b,
const char *buf, size_t count)
{
char *p = memchr(buf, '\n', count);
@@ -1043,7 +1043,7 @@ cpufreq_freq_attr_ro(amd_pstate_lowest_nonlinear_freq);
cpufreq_freq_attr_ro(amd_pstate_highest_perf);
cpufreq_freq_attr_rw(energy_performance_preference);
cpufreq_freq_attr_ro(energy_performance_available_preferences);
-define_one_global_rw(status);
+static DEVICE_ATTR_RW(status);
static struct freq_attr *amd_pstate_attr[] = {
&amd_pstate_max_freq,
@@ -1062,7 +1062,7 @@ static struct freq_attr *amd_pstate_epp_attr[] = {
};
static struct attribute *pstate_global_attributes[] = {
- &status.attr,
+ &dev_attr_status.attr,
NULL
};
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index e1b4bfa938ddf8..2b4a946a6ff5cf 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -1166,7 +1166,7 @@ static ssize_t resume_store(struct kobject *kobj, struct kobj_attribute *attr,
int error;
if (!hibernation_available())
- return 0;
+ return n;
if (len && buf[len-1] == '\n')
len--;