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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-05-19 13:36:48 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-05-25 12:09:53 +0200 |
commit | 3441362b08dc16669adc0e7d3f3454ae38619229 (patch) | |
tree | e6ea8cf5b7438f45e90eb7f26ea15e45246476c9 /drivers/acpi/sleep.c | |
parent | 9cb1fd0efd195590b828b9b865421ad345a4a145 (diff) | |
download | linux-3441362b08dc16669adc0e7d3f3454ae38619229.tar.gz linux-3441362b08dc16669adc0e7d3f3454ae38619229.tar.bz2 linux-3441362b08dc16669adc0e7d3f3454ae38619229.zip |
ACPI: PM: s2idle: Print type of wakeup debug messages
Since acpi_s2idle_wake() knows the category of wakeup causing the
system to resume from suspend-to-idle, make it print a unique message
for each of them to help diagnose wakeup issues.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r-- | drivers/acpi/sleep.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index fd9d4e8318e9..31c9d0c8ae11 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -992,23 +992,31 @@ static bool acpi_s2idle_wake(void) * wakeup is pending anyway and the SCI is not the source of * it). */ - if (irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq))) + if (irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq))) { + pm_pr_dbg("Wakeup unrelated to ACPI SCI\n"); return true; + } /* * If the status bit of any enabled fixed event is set, the * wakeup is regarded as valid. */ - if (acpi_any_fixed_event_status_set()) + if (acpi_any_fixed_event_status_set()) { + pm_pr_dbg("ACPI fixed event wakeup\n"); return true; + } /* Check wakeups from drivers sharing the SCI. */ - if (acpi_check_wakeup_handlers()) + if (acpi_check_wakeup_handlers()) { + pm_pr_dbg("ACPI custom handler wakeup\n"); return true; + } /* Check non-EC GPE wakeups and dispatch the EC GPE. */ - if (acpi_ec_dispatch_gpe()) + if (acpi_ec_dispatch_gpe()) { + pm_pr_dbg("ACPI non-EC GPE wakeup\n"); return true; + } /* * Cancel the SCI wakeup and process all pending events in case @@ -1027,8 +1035,10 @@ static bool acpi_s2idle_wake(void) * are pending here, they must be resulting from the processing * of EC events above or coming from somewhere else. */ - if (pm_wakeup_pending()) + if (pm_wakeup_pending()) { + pm_pr_dbg("Wakeup after ACPI Notify sync\n"); return true; + } rearm_wake_irq(acpi_sci_irq); } |