diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/ec.c | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 187981a3e88..2a172299b24 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1,6 +1,8 @@ /* - * acpi_ec.c - ACPI Embedded Controller Driver ($Revision: 38 $) + * ec.c - ACPI Embedded Controller Driver (v2.0) * + * Copyright (C) 2006, 2007 Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> + * Copyright (C) 2006 Denis Sadykov <denis.m.sadykov@intel.com> * Copyright (C) 2004 Luming Yu <luming.yu@intel.com> * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> @@ -94,7 +96,6 @@ static struct acpi_driver acpi_ec_driver = { /* External interfaces use first EC only, so remember */ static struct acpi_ec { acpi_handle handle; - unsigned long uid; unsigned long gpe; unsigned long command_addr; unsigned long data_addr; @@ -525,13 +526,11 @@ static int acpi_ec_read_info(struct seq_file *seq, void *offset) if (!ec) goto end; - seq_printf(seq, "gpe: 0x%02x\n", (u32) ec->gpe); - seq_printf(seq, "ports: 0x%02x, 0x%02x\n", - (u32) ec->command_addr, (u32) ec->data_addr); - seq_printf(seq, "use global lock: %s\n", + seq_printf(seq, "gpe:\t\t\t0x%02x\n", (u32) ec->gpe); + seq_printf(seq, "ports:\t\t\t0x%02x, 0x%02x\n", + (unsigned)ec->command_addr, (unsigned)ec->data_addr); + seq_printf(seq, "use global lock:\t%s\n", ec->global_lock ? "yes" : "no"); - acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); - end: return 0; } @@ -655,15 +654,13 @@ static int acpi_ec_add(struct acpi_device *device) static int acpi_ec_remove(struct acpi_device *device, int type) { - struct acpi_ec *ec = NULL; + struct acpi_ec *ec; if (!device) return -EINVAL; ec = acpi_driver_data(device); - acpi_ec_remove_fs(device); - acpi_driver_data(device) = NULL; if (ec == first_ec) first_ec = NULL; @@ -671,7 +668,6 @@ static int acpi_ec_remove(struct acpi_device *device, int type) /* Don't touch boot EC */ if (boot_ec != ec) kfree(ec); - return 0; } @@ -680,22 +676,20 @@ ec_parse_io_ports(struct acpi_resource *resource, void *context) { struct acpi_ec *ec = context; - if (resource->type != ACPI_RESOURCE_TYPE_IO) { + if (resource->type != ACPI_RESOURCE_TYPE_IO) return AE_OK; - } /* * The first address region returned is the data port, and * the second address region returned is the status/command * port. */ - if (ec->data_addr == 0) { + if (ec->data_addr == 0) ec->data_addr = resource->data.io.minimum; - } else if (ec->command_addr == 0) { + else if (ec->command_addr == 0) ec->command_addr = resource->data.io.minimum; - } else { + else return AE_CTRL_TERMINATE; - } return AE_OK; } @@ -708,6 +702,7 @@ static int ec_install_handlers(struct acpi_ec *ec) &acpi_ec_gpe_handler, ec); if (ACPI_FAILURE(status)) return -ENODEV; + acpi_set_gpe_type(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME); acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR); @@ -825,7 +820,6 @@ int __init acpi_ec_ecdt_probe(void) 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(boot_ec); |