diff options
Diffstat (limited to 'drivers/acpi/ec.c')
-rw-r--r-- | drivers/acpi/ec.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index b19a18dd994f..7edaccce6640 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c | |||
@@ -445,6 +445,16 @@ int ec_transaction(u8 command, | |||
445 | 445 | ||
446 | EXPORT_SYMBOL(ec_transaction); | 446 | EXPORT_SYMBOL(ec_transaction); |
447 | 447 | ||
448 | /* Get the handle to the EC device */ | ||
449 | acpi_handle ec_get_handle(void) | ||
450 | { | ||
451 | if (!first_ec) | ||
452 | return NULL; | ||
453 | return first_ec->handle; | ||
454 | } | ||
455 | |||
456 | EXPORT_SYMBOL(ec_get_handle); | ||
457 | |||
448 | void acpi_ec_block_transactions(void) | 458 | void acpi_ec_block_transactions(void) |
449 | { | 459 | { |
450 | struct acpi_ec *ec = first_ec; | 460 | struct acpi_ec *ec = first_ec; |
@@ -812,10 +822,10 @@ static int acpi_ec_add(struct acpi_device *device) | |||
812 | first_ec = ec; | 822 | first_ec = ec; |
813 | device->driver_data = ec; | 823 | device->driver_data = ec; |
814 | 824 | ||
815 | WARN(!request_region(ec->data_addr, 1, "EC data"), | 825 | ret = !!request_region(ec->data_addr, 1, "EC data"); |
816 | "Could not request EC data io port 0x%lx", ec->data_addr); | 826 | WARN(!ret, "Could not request EC data io port 0x%lx", ec->data_addr); |
817 | WARN(!request_region(ec->command_addr, 1, "EC cmd"), | 827 | ret = !!request_region(ec->command_addr, 1, "EC cmd"); |
818 | "Could not request EC cmd io port 0x%lx", ec->command_addr); | 828 | WARN(!ret, "Could not request EC cmd io port 0x%lx", ec->command_addr); |
819 | 829 | ||
820 | pr_info(PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n", | 830 | pr_info(PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n", |
821 | ec->gpe, ec->command_addr, ec->data_addr); | 831 | ec->gpe, ec->command_addr, ec->data_addr); |