diff options
| -rw-r--r-- | drivers/acpi/ec.c | 43 |
1 files changed, 20 insertions, 23 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index c9dcf9a2a469..125046884b8b 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -102,7 +102,7 @@ static struct acpi_ec { atomic_t query_pending; atomic_t event_count; wait_queue_head_t wait; -} *ec_ecdt; +} *boot_ec; /* External interfaces use first EC only, so remember */ static struct acpi_device *first_ec; @@ -646,21 +646,18 @@ static int acpi_ec_add(struct acpi_device *device) } /* Check if we found the boot EC */ - if (ec_ecdt) { - if (ec_ecdt->gpe == ec->gpe) { + if (boot_ec) { + if (boot_ec->gpe == ec->gpe) { /* We might have incorrect info for GL at boot time */ - mutex_lock(&ec_ecdt->lock); - ec_ecdt->global_lock = ec->global_lock; - mutex_unlock(&ec_ecdt->lock); + mutex_lock(&boot_ec->lock); + boot_ec->global_lock = ec->global_lock; + mutex_unlock(&boot_ec->lock); kfree(ec); - ec = ec_ecdt; + ec = boot_ec; } } - ec->handle = device->handle; - acpi_driver_data(device) = ec; - if (!first_ec) first_ec = device; @@ -689,7 +686,7 @@ static int acpi_ec_remove(struct acpi_device *device, int type) first_ec = NULL; /* Don't touch boot EC */ - if (ec_ecdt != ec) + if (boot_ec != ec) kfree(ec); return 0; @@ -759,7 +756,7 @@ static int acpi_ec_start(struct acpi_device *device) ec->gpe, ec->command_addr, ec->data_addr)); /* Boot EC is already working */ - if (ec == ec_ecdt) + if (ec == boot_ec) return 0; return ec_install_handlers(ec); @@ -778,7 +775,7 @@ static int acpi_ec_stop(struct acpi_device *device, int type) return -EINVAL; /* Don't touch boot EC */ - if (ec == ec_ecdt) + if (ec == boot_ec) return 0; status = acpi_remove_address_space_handler(ec->handle, @@ -828,8 +825,8 @@ int __init acpi_ec_ecdt_probe(void) acpi_status status; struct acpi_table_ecdt *ecdt_ptr; - ec_ecdt = make_acpi_ec(); - if (!ec_ecdt) + boot_ec = make_acpi_ec(); + if (!boot_ec) return -ENOMEM; /* * Generate a boot ec context @@ -842,18 +839,18 @@ int __init acpi_ec_ecdt_probe(void) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found ECDT")); - ec_ecdt->command_addr = ecdt_ptr->control.address; - ec_ecdt->data_addr = ecdt_ptr->data.address; - ec_ecdt->gpe = ecdt_ptr->gpe; - ec_ecdt->uid = ecdt_ptr->uid; - ec_ecdt->handle = ACPI_ROOT_OBJECT; + boot_ec->command_addr = ecdt_ptr->control.address; + boot_ec->data_addr = ecdt_ptr->data.address; + boot_ec->gpe = ecdt_ptr->gpe; + boot_ec->uid = ecdt_ptr->uid; + boot_ec->handle = ACPI_ROOT_OBJECT; - ret = ec_install_handlers(ec_ecdt); + ret = ec_install_handlers(boot_ec); if (!ret) return 0; error: - kfree(ec_ecdt); - ec_ecdt = NULL; + kfree(boot_ec); + boot_ec = NULL; return -ENODEV; } |