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PM: sleep: stats: Use unsigned int for success and failure counters

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Change the type of the "success" and "fail" fields in struct
suspend_stats to unsigned int, because they cannot be negative.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Rafael J. Wysocki 2024-01-29 17:13:14 +01:00
parent b730bab0b9
commit 2231f78d3e
2 changed files with 5 additions and 5 deletions
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4
include/linux/suspend.h
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@ -56,8 +56,8 @@ enum suspend_stat_step {
struct suspend_stats { struct suspend_stats {
unsigned int step_failures[SUSPEND_NR_STEPS]; unsigned int step_failures[SUSPEND_NR_STEPS];
int success; unsigned int success;
int fail; unsigned int fail;
#define REC_FAILED_NUM 2 #define REC_FAILED_NUM 2
int last_failed_dev; int last_failed_dev;
char failed_devs[REC_FAILED_NUM][40]; char failed_devs[REC_FAILED_NUM][40];

6
kernel/power/main.c
View file

@ -339,8 +339,8 @@ static ssize_t _name##_show(struct kobject *kobj, \
} \ } \
static struct kobj_attribute _name = __ATTR_RO(_name) static struct kobj_attribute _name = __ATTR_RO(_name)
suspend_attr(success, "%d\n"); suspend_attr(success, "%u\n");
suspend_attr(fail, "%d\n"); suspend_attr(fail, "%u\n");
suspend_attr(last_hw_sleep, "%llu\n"); suspend_attr(last_hw_sleep, "%llu\n");
suspend_attr(total_hw_sleep, "%llu\n"); suspend_attr(total_hw_sleep, "%llu\n");
suspend_attr(max_hw_sleep, "%llu\n"); suspend_attr(max_hw_sleep, "%llu\n");
@ -458,7 +458,7 @@ static int suspend_stats_show(struct seq_file *s, void *unused)
last_step = suspend_stats.last_failed_step + REC_FAILED_NUM - 1; last_step = suspend_stats.last_failed_step + REC_FAILED_NUM - 1;
last_step %= REC_FAILED_NUM; last_step %= REC_FAILED_NUM;
seq_printf(s, "success: %d\nfail: %d\n", seq_printf(s, "success: %u\nfail: %u\n",
suspend_stats.success, suspend_stats.fail); suspend_stats.success, suspend_stats.fail);
for (step = SUSPEND_FREEZE; step <= SUSPEND_NR_STEPS; step++) for (step = SUSPEND_FREEZE; step <= SUSPEND_NR_STEPS; step++)