diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-13 09:57:10 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-13 09:57:10 +0200 |
| commit | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (patch) | |
| tree | a2c186cb828e3713c2ec48a4d7191166fb798b3d /drivers/acpi/ec.c | |
| parent | 659c36fcda403013a01b85da07cf2d9711e6d6c7 (diff) | |
| parent | 0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff) | |
Merge tag 'v3.4-rc2' into perf/core
Merge Linux 3.4-rc2: we were on v3.3, update the base.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 b19a18dd994..7edaccce664 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -445,6 +445,16 @@ int ec_transaction(u8 command, EXPORT_SYMBOL(ec_transaction); +/* Get the handle to the EC device */ +acpi_handle ec_get_handle(void) +{ + if (!first_ec) + return NULL; + return first_ec->handle; +} + +EXPORT_SYMBOL(ec_get_handle); + void acpi_ec_block_transactions(void) { struct acpi_ec *ec = first_ec; @@ -812,10 +822,10 @@ static int acpi_ec_add(struct acpi_device *device) first_ec = ec; device->driver_data = ec; - WARN(!request_region(ec->data_addr, 1, "EC data"), - "Could not request EC data io port 0x%lx", ec->data_addr); - WARN(!request_region(ec->command_addr, 1, "EC cmd"), - "Could not request EC cmd io port 0x%lx", ec->command_addr); + ret = !!request_region(ec->data_addr, 1, "EC data"); + WARN(!ret, "Could not request EC data io port 0x%lx", ec->data_addr); + ret = !!request_region(ec->command_addr, 1, "EC cmd"); + WARN(!ret, "Could not request EC cmd io port 0x%lx", ec->command_addr); pr_info(PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n", ec->gpe, ec->command_addr, ec->data_addr); |