diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/ec.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 07426c8c255b..a362f20c6c8b 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -177,6 +177,8 @@ static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */ ec_dbg(EC_DBG_REQ, fmt, ##__VA_ARGS__) #define ec_dbg_evt(fmt, ...) \ ec_dbg(EC_DBG_EVT, fmt, ##__VA_ARGS__) +#define ec_dbg_ref(ec, fmt, ...) \ + ec_dbg_raw("%lu: " fmt, ec->reference_count, ## __VA_ARGS__) /* -------------------------------------------------------------------------- * Device Flags @@ -544,6 +546,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, ret = -EINVAL; goto unlock; } + ec_dbg_ref(ec, "Increase command"); /* following two actions should be kept atomic */ ec->curr = t; ec_dbg_req("Command(%s) started", acpi_ec_cmd_string(t->command)); @@ -557,6 +560,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, ec->curr = NULL; /* Disable GPE for command processing (IBF=0/OBF=1) */ acpi_ec_complete_request(ec); + ec_dbg_ref(ec, "Decrease command"); unlock: spin_unlock_irqrestore(&ec->lock, tmp); return ret; @@ -718,8 +722,10 @@ static void acpi_ec_start(struct acpi_ec *ec, bool resuming) if (!test_and_set_bit(EC_FLAGS_STARTED, &ec->flags)) { ec_dbg_drv("Starting EC"); /* Enable GPE for event processing (SCI_EVT=1) */ - if (!resuming) + if (!resuming) { acpi_ec_submit_request(ec); + ec_dbg_ref(ec, "Increase driver"); + } ec_log_drv("EC started"); } spin_unlock_irqrestore(&ec->lock, flags); @@ -748,8 +754,10 @@ static void acpi_ec_stop(struct acpi_ec *ec, bool suspending) wait_event(ec->wait, acpi_ec_stopped(ec)); spin_lock_irqsave(&ec->lock, flags); /* Disable GPE for event processing (SCI_EVT=1) */ - if (!suspending) + if (!suspending) { acpi_ec_complete_request(ec); + ec_dbg_ref(ec, "Decrease driver"); + } clear_bit(EC_FLAGS_STARTED, &ec->flags); clear_bit(EC_FLAGS_STOPPED, &ec->flags); ec_log_drv("EC stopped"); |