2022-02-02 14:35:41

by Rafael J. Wysocki

[permalink] [raw]
Subject: [PATCH 2/2] ACPI: EC / PM: Print additional debug message in acpi_ec_dispatch_gpe()

From: Rafael J. Wysocki <[email protected]>

Make acpi_ec_dispatch_gpe() print an additional debug message after
seeing the EC GPE status bit set to help diagnose wakeup-related
issues.

Signed-off-by: Rafael J. Wysocki <[email protected]>
---
drivers/acpi/ec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

Index: linux-pm/drivers/acpi/ec.c
===================================================================
--- linux-pm.orig/drivers/acpi/ec.c
+++ linux-pm/drivers/acpi/ec.c
@@ -2071,8 +2071,11 @@ bool acpi_ec_dispatch_gpe(void)
*/
spin_lock_irq(&first_ec->lock);

- if (acpi_ec_gpe_status_set(first_ec))
+ if (acpi_ec_gpe_status_set(first_ec)) {
+ pm_pr_dbg("ACPI EC GPE status set\n");
+
work_in_progress = advance_transaction(first_ec, false);
+ }

spin_unlock_irq(&first_ec->lock);