ACPI / EC: Add CPU ID to debugging messages.

This patch adds CPU ID to the context entries' debugging output. no
functional changes.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index cb6066c809ea..9cb4d0c468eb 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -181,7 +181,8 @@ static bool advance_transaction(struct acpi_ec *ec)
         u8 status;
         bool wakeup = false;
 
-        pr_debug("===== %s =====\n", in_interrupt() ? "IRQ" : "TASK");
+        pr_debug("===== %s (%d) =====\n",
+                 in_interrupt() ? "IRQ" : "TASK", smp_processor_id());
         status = acpi_ec_read_status(ec);
         t = ec->curr;
         if (!t)