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ACPI / IPMI: Cleanup some initialization codes

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This (trivial) patch.
 1. Changes dynamic mutex initialization to static initialization.
 2. Removes one acpi_ipmi_init() variable initialization as it is not
    needed.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Reviewed-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng 2013-09-13 13:14:31 +08:00 committed by Rafael J. Wysocki
parent 2fb037b89a
commit a194aa4327
1 changed files with 3 additions and 4 deletions
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7
drivers/acpi/acpi_ipmi.c
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@ -127,6 +127,7 @@ static struct ipmi_driver_data driver_data = {
.ipmi_hndlrs = { .ipmi_hndlrs = {
.ipmi_recv_hndl = ipmi_msg_handler, .ipmi_recv_hndl = ipmi_msg_handler,
}, },
.ipmi_lock = __MUTEX_INITIALIZER(driver_data.ipmi_lock)
}; };
static struct acpi_ipmi_device * static struct acpi_ipmi_device *
@ -591,13 +592,11 @@ acpi_ipmi_space_handler(u32 function, acpi_physical_address address,
static int __init acpi_ipmi_init(void) static int __init acpi_ipmi_init(void)
{ {
int result = 0; int result;
acpi_status status; acpi_status status;
if (acpi_disabled) if (acpi_disabled)
return result; return 0;
mutex_init(&driver_data.ipmi_lock);
status = acpi_install_address_space_handler(ACPI_ROOT_OBJECT, status = acpi_install_address_space_handler(ACPI_ROOT_OBJECT,
ACPI_ADR_SPACE_IPMI, &acpi_ipmi_space_handler, ACPI_ADR_SPACE_IPMI, &acpi_ipmi_space_handler,