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path: root/drivers/acpi/sbs.c
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Diffstat (limited to 'drivers/acpi/sbs.c')
-rw-r--r--drivers/acpi/sbs.c33
1 files changed, 7 insertions, 26 deletions
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index c1bae106833c..974d00ccfe84 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -127,7 +127,7 @@ static int acpi_sbs_resume(struct acpi_device *device);
static struct acpi_driver acpi_sbs_driver = {
.name = "sbs",
.class = ACPI_SBS_CLASS,
- .ids = ACPI_SBS_HID,
+ .ids = "ACPI0001,ACPI0005",
.ops = {
.add = acpi_sbs_add,
.remove = acpi_sbs_remove,
@@ -176,10 +176,8 @@ struct acpi_battery {
};
struct acpi_sbs {
- acpi_handle handle;
int base;
struct acpi_device *device;
- struct acpi_ec_smbus *smbus;
struct mutex mutex;
int sbsm_present;
int sbsm_batteries_supported;
@@ -511,7 +509,7 @@ static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
"acpi_sbs_read_word() failed"));
goto end;
}
-
+ sbs->sbsm_present = 1;
sbs->sbsm_batteries_supported = battery_system_info & 0x000f;
end:
@@ -1630,13 +1628,12 @@ static int acpi_sbs_add(struct acpi_device *device)
{
struct acpi_sbs *sbs = NULL;
int result = 0, remove_result = 0;
- unsigned long sbs_obj;
int id;
acpi_status status = AE_OK;
unsigned long val;
status =
- acpi_evaluate_integer(device->parent->handle, "_EC", NULL, &val);
+ acpi_evaluate_integer(device->handle, "_EC", NULL, &val);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, AE_ERROR, "Error obtaining _EC"));
return -EIO;
@@ -1653,7 +1650,7 @@ static int acpi_sbs_add(struct acpi_device *device)
sbs_mutex_lock(sbs);
- sbs->base = (val & 0xff00ull) >> 8;
+ sbs->base = 0xff & (val >> 8);
sbs->device = device;
strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
@@ -1665,24 +1662,10 @@ static int acpi_sbs_add(struct acpi_device *device)
ACPI_EXCEPTION((AE_INFO, AE_ERROR, "acpi_ac_add() failed"));
goto end;
}
- status = acpi_evaluate_integer(device->handle, "_SBS", NULL, &sbs_obj);
- if (status) {
- ACPI_EXCEPTION((AE_INFO, status,
- "acpi_evaluate_integer() failed"));
- result = -EIO;
- goto end;
- }
- if (sbs_obj > 0) {
- result = acpi_sbsm_get_info(sbs);
- if (result) {
- ACPI_EXCEPTION((AE_INFO, AE_ERROR,
- "acpi_sbsm_get_info() failed"));
- goto end;
- }
- sbs->sbsm_present = 1;
- }
- if (sbs->sbsm_present == 0) {
+ acpi_sbsm_get_info(sbs);
+
+ if (!sbs->sbsm_present) {
result = acpi_battery_add(sbs, 0);
if (result) {
ACPI_EXCEPTION((AE_INFO, AE_ERROR,
@@ -1702,8 +1685,6 @@ static int acpi_sbs_add(struct acpi_device *device)
}
}
- sbs->handle = device->handle;
-
init_timer(&sbs->update_timer);
result = acpi_check_update_proc(sbs);
if (result)