ACPI: EC: Simplify boot EC checks in acpi_ec_add()
Consolidate boot EC checks in acpi_ec_add(), put the acpi_is_boot_ec()
checks directly into it and drop the latter.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index e2b8ccc..9c40f67 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1560,43 +1560,34 @@ static bool acpi_ec_ecdt_get_handle(acpi_handle *phandle)
return true;
}
-static bool acpi_is_boot_ec(struct acpi_ec *ec)
-{
- if (!boot_ec)
- return false;
- if (ec->command_addr == boot_ec->command_addr &&
- ec->data_addr == boot_ec->data_addr)
- return true;
- return false;
-}
-
static int acpi_ec_add(struct acpi_device *device)
{
struct acpi_ec *ec = NULL;
- int ret;
- bool is_ecdt = false;
+ bool dep_update = true;
acpi_status status;
+ int ret;
strcpy(acpi_device_name(device), ACPI_EC_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_EC_CLASS);
if (!strcmp(acpi_device_hid(device), ACPI_ECDT_HID)) {
- is_ecdt = true;
+ boot_ec_is_ecdt = true;
ec = boot_ec;
+ dep_update = false;
} else {
ec = acpi_ec_alloc();
if (!ec)
return -ENOMEM;
+
status = ec_parse_device(device->handle, 0, ec, NULL);
if (status != AE_CTRL_TERMINATE) {
ret = -EINVAL;
goto err_alloc;
}
- }
- if (acpi_is_boot_ec(ec)) {
- boot_ec_is_ecdt = is_ecdt;
- if (!is_ecdt) {
+ if (boot_ec && ec->command_addr == boot_ec->command_addr &&
+ ec->data_addr == boot_ec->data_addr) {
+ boot_ec_is_ecdt = false;
/*
* Trust PNP0C09 namespace location rather than
* ECDT ID. But trust ECDT GPE rather than _GPE
@@ -1617,7 +1608,7 @@ static int acpi_ec_add(struct acpi_device *device)
if (ec == boot_ec)
acpi_handle_info(boot_ec->handle,
"Boot %s EC used to handle transactions and events\n",
- is_ecdt ? "ECDT" : "DSDT");
+ boot_ec_is_ecdt ? "ECDT" : "DSDT");
device->driver_data = ec;
@@ -1626,7 +1617,7 @@ static int acpi_ec_add(struct acpi_device *device)
ret = !!request_region(ec->command_addr, 1, "EC cmd");
WARN(!ret, "Could not request EC cmd io port 0x%lx", ec->command_addr);
- if (!is_ecdt) {
+ if (dep_update) {
/* Reprobe devices depending on the EC */
acpi_walk_dep_device_list(ec->handle);
}