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-rw-r--r--drivers/acpi/ec.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index c9dcf9a2a46..125046884b8 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;
}