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ACPI: EC: Put install handlers into separate function. 

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Starikovskiy 2007-03-07 22:28:00 +03:00 committed by Len Brown
parent 3d02b90be2
commit e828432104
1 changed files with 27 additions and 60 deletions
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87
drivers/acpi/ec.c
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@ -715,6 +715,28 @@ acpi_ec_io_ports(struct acpi_resource *resource, void *context)
return AE_OK;
}
static int ec_install_handlers(struct acpi_ec *ec)
{
acpi_status status = acpi_install_gpe_handler(NULL, ec->gpe,
ACPI_GPE_EDGE_TRIGGERED,
&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);
status = acpi_install_address_space_handler(ec->handle,
ACPI_ADR_SPACE_EC,
&acpi_ec_space_handler,
&acpi_ec_space_setup, ec);
if (ACPI_FAILURE(status)) {
acpi_remove_gpe_handler(NULL, ec->gpe, &acpi_ec_gpe_handler);
return -ENODEV;
}
return 0;
}
static int acpi_ec_start(struct acpi_device *device)
{
acpi_status status = AE_OK;
@ -742,28 +764,7 @@ static int acpi_ec_start(struct acpi_device *device)
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "gpe=0x%02lx, ports=0x%2lx,0x%2lx",
ec->gpe, ec->command_addr, ec->data_addr));
/*
* Install GPE handler
*/
status = acpi_install_gpe_handler(NULL, ec->gpe,
ACPI_GPE_EDGE_TRIGGERED,
&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);
status = acpi_install_address_space_handler(ec->handle,
ACPI_ADR_SPACE_EC,
&acpi_ec_space_handler,
&acpi_ec_space_setup, ec);
if (ACPI_FAILURE(status)) {
acpi_remove_gpe_handler(NULL, ec->gpe, &acpi_ec_gpe_handler);
return -ENODEV;
}
return AE_OK;
return ec_install_handlers(ec);
}
static int acpi_ec_stop(struct acpi_device *device, int type)
@ -818,56 +819,22 @@ static int __init acpi_ec_get_real_ecdt(void)
ec_ecdt->gpe = ecdt_ptr->gpe;
ec_ecdt->uid = ecdt_ptr->uid;
status = acpi_get_handle(NULL, ecdt_ptr->id, &ec_ecdt->handle);
if (ACPI_FAILURE(status)) {
goto error;
}
ec_ecdt->handle = ACPI_ROOT_OBJECT;
return 0;
error:
ACPI_EXCEPTION((AE_INFO, status, "Could not use ECDT"));
kfree(ec_ecdt);
ec_ecdt = NULL;
return -ENODEV;
}
int __init acpi_ec_ecdt_probe(void)
{
acpi_status status;
int ret;
ret = acpi_ec_get_real_ecdt();
if (ret)
return 0;
/*
* Install GPE handler
*/
status = acpi_install_gpe_handler(NULL, ec_ecdt->gpe,
ACPI_GPE_EDGE_TRIGGERED,
&acpi_ec_gpe_handler, ec_ecdt);
if (ACPI_FAILURE(status)) {
goto error;
}
acpi_set_gpe_type(NULL, ec_ecdt->gpe, ACPI_GPE_TYPE_RUNTIME);
acpi_enable_gpe(NULL, ec_ecdt->gpe, ACPI_NOT_ISR);
ret = ec_install_handlers(ec_ecdt);
if (!ret)
return 0;
status = acpi_install_address_space_handler(ACPI_ROOT_OBJECT,
ACPI_ADR_SPACE_EC,
&acpi_ec_space_handler,
&acpi_ec_space_setup,
ec_ecdt);
if (ACPI_FAILURE(status)) {
acpi_remove_gpe_handler(NULL, ec_ecdt->gpe,
&acpi_ec_gpe_handler);
goto error;
}
return 0;
error:
ACPI_EXCEPTION((AE_INFO, status, "Could not use ECDT"));
kfree(ec_ecdt);
ec_ecdt = NULL;