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-rw-r--r--drivers/acpi/acpi_dbg.c4
-rw-r--r--drivers/acpi/button.c1
-rw-r--r--drivers/acpi/cppc_acpi.c5
-rw-r--r--drivers/acpi/ec.c1
-rw-r--r--drivers/acpi/evged.c22
-rw-r--r--drivers/acpi/pci_link.c2
-rw-r--r--drivers/acpi/power.c2
-rw-r--r--drivers/acpi/processor_idle.c9
-rw-r--r--drivers/acpi/sbs.c3
-rw-r--r--drivers/acpi/utils.c25
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c13
-rw-r--r--include/acpi/acpi_bus.h1
12 files changed, 55 insertions, 33 deletions
diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c
index 7a265c2171c0..6041974c7627 100644
--- a/drivers/acpi/acpi_dbg.c
+++ b/drivers/acpi/acpi_dbg.c
@@ -745,7 +745,7 @@ static const struct acpi_debugger_ops acpi_aml_debugger = {
.notify_command_complete = acpi_aml_notify_command_complete,
};
-int __init acpi_aml_init(void)
+static int __init acpi_aml_init(void)
{
int ret;
@@ -771,7 +771,7 @@ int __init acpi_aml_init(void)
return 0;
}
-void __exit acpi_aml_exit(void)
+static void __exit acpi_aml_exit(void)
{
if (acpi_aml_initialized) {
acpi_unregister_debugger(&acpi_aml_debugger);
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 78cfc70cb320..3c35e57dd854 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -24,7 +24,6 @@
#define PREFIX "ACPI: "
#define ACPI_BUTTON_CLASS "button"
-#define ACPI_BUTTON_FILE_INFO "info"
#define ACPI_BUTTON_FILE_STATE "state"
#define ACPI_BUTTON_TYPE_UNKNOWN 0x00
#define ACPI_BUTTON_NOTIFY_STATUS 0x80
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 8b2e89c20c11..7a99b19bb893 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -350,7 +350,7 @@ static void cppc_chan_tx_done(struct mbox_client *cl, void *msg, int ret)
*(u16 *)msg, ret);
}
-struct mbox_client cppc_mbox_cl = {
+static struct mbox_client cppc_mbox_cl = {
.tx_done = cppc_chan_tx_done,
.knows_txdone = true,
};
@@ -597,7 +597,7 @@ bool __weak cpc_ffh_supported(void)
*
* Return: 0 for success, errno for failure
*/
-int pcc_data_alloc(int pcc_ss_id)
+static int pcc_data_alloc(int pcc_ss_id)
{
if (pcc_ss_id < 0 || pcc_ss_id >= MAX_PCC_SUBSPACES)
return -EINVAL;
@@ -846,6 +846,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
"acpi_cppc");
if (ret) {
per_cpu(cpc_desc_ptr, pr->id) = NULL;
+ kobject_put(&cpc_ptr->kobj);
goto out_free;
}
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 599937d9b87e..8f467d929f4b 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -34,7 +34,6 @@
#define ACPI_EC_CLASS "embedded_controller"
#define ACPI_EC_DEVICE_NAME "Embedded Controller"
-#define ACPI_EC_FILE_INFO "info"
/* EC status register */
#define ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */
diff --git a/drivers/acpi/evged.c b/drivers/acpi/evged.c
index aba0d0027586..ccd900690b6f 100644
--- a/drivers/acpi/evged.c
+++ b/drivers/acpi/evged.c
@@ -79,6 +79,8 @@ static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares,
struct resource r;
struct acpi_resource_irq *p = &ares->data.irq;
struct acpi_resource_extended_irq *pext = &ares->data.extended_irq;
+ char ev_name[5];
+ u8 trigger;
if (ares->type == ACPI_RESOURCE_TYPE_END_TAG)
return AE_OK;
@@ -87,14 +89,28 @@ static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares,
dev_err(dev, "unable to parse IRQ resource\n");
return AE_ERROR;
}
- if (ares->type == ACPI_RESOURCE_TYPE_IRQ)
+ if (ares->type == ACPI_RESOURCE_TYPE_IRQ) {
gsi = p->interrupts[0];
- else
+ trigger = p->triggering;
+ } else {
gsi = pext->interrupts[0];
+ trigger = pext->triggering;
+ }
irq = r.start;
- if (ACPI_FAILURE(acpi_get_handle(handle, "_EVT", &evt_handle))) {
+ switch (gsi) {
+ case 0 ... 255:
+ sprintf(ev_name, "_%c%02hhX",
+ trigger == ACPI_EDGE_SENSITIVE ? 'E' : 'L', gsi);
+
+ if (ACPI_SUCCESS(acpi_get_handle(handle, ev_name, &evt_handle)))
+ break;
+ /* fall through */
+ default:
+ if (ACPI_SUCCESS(acpi_get_handle(handle, "_EVT", &evt_handle)))
+ break;
+
dev_err(dev, "cannot locate _EVT method\n");
return AE_ERROR;
}
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index ed3d2182cf2c..606da5d77ad3 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -31,8 +31,6 @@
ACPI_MODULE_NAME("pci_link");
#define ACPI_PCI_LINK_CLASS "pci_irq_routing"
#define ACPI_PCI_LINK_DEVICE_NAME "PCI Interrupt Link"
-#define ACPI_PCI_LINK_FILE_INFO "info"
-#define ACPI_PCI_LINK_FILE_STATUS "state"
#define ACPI_PCI_LINK_MAX_POSSIBLE 16
static int acpi_pci_link_add(struct acpi_device *device,
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index fe1e7bc91a5e..837b875d075e 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -36,8 +36,6 @@
ACPI_MODULE_NAME("power");
#define ACPI_POWER_CLASS "power_resource"
#define ACPI_POWER_DEVICE_NAME "Power Resource"
-#define ACPI_POWER_FILE_INFO "info"
-#define ACPI_POWER_FILE_STATUS "state"
#define ACPI_POWER_RESOURCE_STATE_OFF 0x00
#define ACPI_POWER_RESOURCE_STATE_ON 0x01
#define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index dcc289e30166..75534c5b5433 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -308,11 +308,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
if (ret)
return ret;
- /*
- * It is expected that there will be at least 2 states, C1 and
- * something else (C2 or C3), so fail if that is not the case.
- */
- if (pr->power.count < 2)
+ if (!pr->power.count)
return -EFAULT;
pr->flags.has_cst = 1;
@@ -468,8 +464,7 @@ static int acpi_processor_get_cstate_info(struct acpi_processor *pr)
for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
if (pr->power.states[i].valid) {
pr->power.count = i;
- if (pr->power.states[i].type >= ACPI_STATE_C2)
- pr->flags.power = 1;
+ pr->flags.power = 1;
}
}
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 6e88224f60f0..f158b8c30113 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -28,9 +28,6 @@
#define ACPI_SBS_CLASS "sbs"
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_SBS_DEVICE_NAME "Smart Battery System"
-#define ACPI_SBS_FILE_INFO "info"
-#define ACPI_SBS_FILE_STATE "state"
-#define ACPI_SBS_FILE_ALARM "alarm"
#define ACPI_BATTERY_DIR_NAME "BAT%i"
#define ACPI_AC_DIR_NAME "AC0"
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 804ac0df58ec..838b719ec7ce 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -606,6 +606,31 @@ acpi_status acpi_evaluate_lck(acpi_handle handle, int lock)
}
/**
+ * acpi_evaluate_reg: Evaluate _REG method to register OpRegion presence
+ * @handle: ACPI device handle
+ * @space_id: ACPI address space id to register OpRegion presence for
+ * @function: Parameter to pass to _REG one of ACPI_REG_CONNECT or
+ * ACPI_REG_DISCONNECT
+ *
+ * Evaluate device's _REG method to register OpRegion presence.
+ */
+acpi_status acpi_evaluate_reg(acpi_handle handle, u8 space_id, u32 function)
+{
+ struct acpi_object_list arg_list;
+ union acpi_object params[2];
+
+ params[0].type = ACPI_TYPE_INTEGER;
+ params[0].integer.value = space_id;
+ params[1].type = ACPI_TYPE_INTEGER;
+ params[1].integer.value = function;
+ arg_list.count = 2;
+ arg_list.pointer = params;
+
+ return acpi_evaluate_object(handle, "_REG", &arg_list, NULL);
+}
+EXPORT_SYMBOL(acpi_evaluate_reg);
+
+/**
* acpi_evaluate_dsm - evaluate device's _DSM method
* @handle: ACPI device handle
* @guid: GUID of requested functions, should be 16 bytes
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index b3869951c0eb..b4c92cee13f8 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -385,19 +385,12 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
static void acpiphp_set_acpi_region(struct acpiphp_slot *slot)
{
struct acpiphp_func *func;
- union acpi_object params[2];
- struct acpi_object_list arg_list;
list_for_each_entry(func, &slot->funcs, sibling) {
- arg_list.count = 2;
- arg_list.pointer = params;
- params[0].type = ACPI_TYPE_INTEGER;
- params[0].integer.value = ACPI_ADR_SPACE_PCI_CONFIG;
- params[1].type = ACPI_TYPE_INTEGER;
- params[1].integer.value = 1;
/* _REG is optional, we don't care about if there is failure */
- acpi_evaluate_object(func_to_handle(func), "_REG", &arg_list,
- NULL);
+ acpi_evaluate_reg(func_to_handle(func),
+ ACPI_ADR_SPACE_PCI_CONFIG,
+ ACPI_REG_CONNECT);
}
}
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a92bea7184a8..5afb6ceb284f 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -44,6 +44,7 @@ acpi_status acpi_execute_simple_method(acpi_handle handle, char *method,
u64 arg);
acpi_status acpi_evaluate_ej0(acpi_handle handle);
acpi_status acpi_evaluate_lck(acpi_handle handle, int lock);
+acpi_status acpi_evaluate_reg(acpi_handle handle, u8 space_id, u32 function);
bool acpi_ata_match(acpi_handle handle);
bool acpi_bay_match(acpi_handle handle);
bool acpi_dock_match(acpi_handle handle);