diff options
| -rw-r--r-- | drivers/acpi/ec.c | 47 | ||||
| -rw-r--r-- | drivers/acpi/internal.h | 4 |
2 files changed, 22 insertions, 29 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 9d66a47d32fb..b94f92a095fd 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1730,10 +1730,10 @@ static const struct acpi_device_id ec_device_ids[] = { * namespace EC before the main ACPI device enumeration process. It is * retained for historical reason and will be deprecated in the future. */ -int __init acpi_ec_dsdt_probe(void) +void __init acpi_ec_dsdt_probe(void) { - acpi_status status; struct acpi_ec *ec; + acpi_status status; int ret; /* @@ -1743,21 +1743,22 @@ int __init acpi_ec_dsdt_probe(void) * picking up an invalid EC device. */ if (boot_ec) - return -ENODEV; + return; ec = acpi_ec_alloc(); if (!ec) - return -ENOMEM; + return; + /* * At this point, the namespace is initialized, so start to find * the namespace objects. */ - status = acpi_get_devices(ec_device_ids[0].id, - ec_parse_device, ec, NULL); + status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device, ec, NULL); if (ACPI_FAILURE(status) || !ec->handle) { - ret = -ENODEV; - goto error; + acpi_ec_free(ec); + return; } + /* * When the DSDT EC is available, always re-configure boot EC to * have _REG evaluated. _REG can only be evaluated after the @@ -1766,10 +1767,8 @@ int __init acpi_ec_dsdt_probe(void) * handle the events. */ ret = acpi_config_boot_ec(ec, ec->handle, false, false); -error: if (ret) acpi_ec_free(ec); - return ret; } /* @@ -1872,36 +1871,32 @@ static const struct dmi_system_id ec_dmi_table[] __initconst = { {}, }; -int __init acpi_ec_ecdt_probe(void) +void __init acpi_ec_ecdt_probe(void) { - int ret; - acpi_status status; struct acpi_table_ecdt *ecdt_ptr; struct acpi_ec *ec; + acpi_status status; + int ret; - ec = acpi_ec_alloc(); - if (!ec) - return -ENOMEM; - /* - * Generate a boot ec context - */ + /* Generate a boot ec context. */ dmi_check_system(ec_dmi_table); status = acpi_get_table(ACPI_SIG_ECDT, 1, (struct acpi_table_header **)&ecdt_ptr); - if (ACPI_FAILURE(status)) { - ret = -ENODEV; - goto error; - } + if (ACPI_FAILURE(status)) + return; if (!ecdt_ptr->control.address || !ecdt_ptr->data.address) { /* * Asus X50GL: * https://bugzilla.kernel.org/show_bug.cgi?id=11880 */ - ret = -ENODEV; - goto error; + return; } + ec = acpi_ec_alloc(); + if (!ec) + return; + if (EC_FLAGS_CORRECT_ECDT) { ec->command_addr = ecdt_ptr->data.address; ec->data_addr = ecdt_ptr->control.address; @@ -1916,10 +1911,8 @@ int __init acpi_ec_ecdt_probe(void) * the namespace objects, or handle the events. */ ret = acpi_config_boot_ec(ec, ACPI_ROOT_OBJECT, false, true); -error: if (ret) acpi_ec_free(ec); - return ret; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 6a9e1fb8913a..6eaf06db7752 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -192,8 +192,8 @@ extern struct acpi_ec *first_ec; typedef int (*acpi_ec_query_func) (void *data); int acpi_ec_init(void); -int acpi_ec_ecdt_probe(void); -int acpi_ec_dsdt_probe(void); +void acpi_ec_ecdt_probe(void); +void acpi_ec_dsdt_probe(void); void acpi_ec_block_transactions(void); void acpi_ec_unblock_transactions(void); void acpi_ec_mark_gpe_for_wake(void); |