ACPICA: Rename ACPI bit register access functions

Rename acpi_get_register and acpi_set_register to clarify the
purpose of these functions. New names are acpi_read_bit_register
and acpi_write_bit_register.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

9 files changed, 45 insertions, 44 deletions

diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c
index 803edd9e3f6a..246f8775ec13 100644
--- a/drivers/acpi/acpica/evevent.c
+++ b/drivers/acpi/acpica/evevent.c
@@ -204,8 +204,8 @@ static acpi_status acpi_ev_fixed_event_initialize(void)
 
                 if (acpi_gbl_fixed_event_info[i].enable_register_id != 0xFF) {
                         status =
-                            acpi_set_register(acpi_gbl_fixed_event_info[i].
-                                              enable_register_id, 0);
+                            acpi_write_bit_register(acpi_gbl_fixed_event_info
+                                                    [i].enable_register_id, 0);
                         if (ACPI_FAILURE(status)) {
                                 return (status);
                         }
@@ -288,16 +288,16 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event)
 
         /* Clear the status bit */
 
-        (void)acpi_set_register(acpi_gbl_fixed_event_info[event].
-                                status_register_id, 1);
+        (void)acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+                                      status_register_id, 1);
 
         /*
          * Make sure we've got a handler. If not, report an error. The event is
          * disabled to prevent further interrupts.
          */
         if (NULL == acpi_gbl_fixed_event_handlers[event].handler) {
-                (void)acpi_set_register(acpi_gbl_fixed_event_info[event].
-                                        enable_register_id, 0);
+                (void)acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+                                              enable_register_id, 0);
 
                 ACPI_ERROR((AE_INFO,
                             "No installed handler for fixed event [%08X]",
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
index 5f893057bcc6..0e9e12b2f2bb 100644
--- a/drivers/acpi/acpica/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -534,8 +534,8 @@ acpi_status acpi_ev_release_global_lock(void)
                  */
                 if (pending) {
                         status =
-                            acpi_set_register(ACPI_BITREG_GLOBAL_LOCK_RELEASE,
-                                              1);
+                            acpi_write_bit_register
+                            (ACPI_BITREG_GLOBAL_LOCK_RELEASE, 1);
                 }
 
                 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
index 35485e4b60a6..484c9793ca06 100644
--- a/drivers/acpi/acpica/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -172,8 +172,8 @@ acpi_status acpi_enable_event(u32 event, u32 flags)
          * register bit)
          */
         status =
-            acpi_set_register(acpi_gbl_fixed_event_info[event].
-                              enable_register_id, 1);
+            acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+                                    enable_register_id, 1);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -181,8 +181,8 @@ acpi_status acpi_enable_event(u32 event, u32 flags)
         /* Make sure that the hardware responded */
 
         status =
-            acpi_get_register(acpi_gbl_fixed_event_info[event].
-                              enable_register_id, &value);
+            acpi_read_bit_register(acpi_gbl_fixed_event_info[event].
+                                   enable_register_id, &value);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -354,15 +354,15 @@ acpi_status acpi_disable_event(u32 event, u32 flags)
          * register bit)
          */
         status =
-            acpi_set_register(acpi_gbl_fixed_event_info[event].
-                              enable_register_id, 0);
+            acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+                                    enable_register_id, 0);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
 
         status =
-            acpi_get_register(acpi_gbl_fixed_event_info[event].
-                              enable_register_id, &value);
+            acpi_read_bit_register(acpi_gbl_fixed_event_info[event].
+                                   enable_register_id, &value);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -407,8 +407,8 @@ acpi_status acpi_clear_event(u32 event)
          * register bit)
          */
         status =
-            acpi_set_register(acpi_gbl_fixed_event_info[event].
-                              status_register_id, 1);
+            acpi_write_bit_register(acpi_gbl_fixed_event_info[event].
+                                    status_register_id, 1);
 
         return_ACPI_STATUS(status);
 }
@@ -495,7 +495,7 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
         /* Get the status of the requested fixed event */
 
         status =
-            acpi_get_register(acpi_gbl_fixed_event_info[event].
+            acpi_read_bit_register(acpi_gbl_fixed_event_info[event].
                               enable_register_id, &value);
         if (ACPI_FAILURE(status))
                 return_ACPI_STATUS(status);
@@ -503,7 +503,7 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
         *event_status = value;
 
         status =
-            acpi_get_register(acpi_gbl_fixed_event_info[event].
+            acpi_read_bit_register(acpi_gbl_fixed_event_info[event].
                               status_register_id, &value);
         if (ACPI_FAILURE(status))
                 return_ACPI_STATUS(status);
diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c
index a9d4fea4167f..8902db8c670f 100644
--- a/drivers/acpi/acpica/hwacpi.c
+++ b/drivers/acpi/acpica/hwacpi.c
@@ -172,7 +172,7 @@ u32 acpi_hw_get_mode(void)
                 return_UINT32(ACPI_SYS_MODE_ACPI);
         }
 
-        status = acpi_get_register(ACPI_BITREG_SCI_ENABLE, &value);
+        status = acpi_read_bit_register(ACPI_BITREG_SCI_ENABLE, &value);
         if (ACPI_FAILURE(status)) {
                 return_UINT32(ACPI_SYS_MODE_LEGACY);
         }
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index 677ccb6bceea..78d62b8a5c31 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -250,7 +250,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
 
         /* Clear wake status */
 
-        status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
+        status = acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, 1);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -365,7 +365,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
         /* Wait until we enter sleep state */
 
         do {
-                status = acpi_get_register(ACPI_BITREG_WAKE_STATUS,
+                status = acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS,
                                                     &in_value);
                 if (ACPI_FAILURE(status)) {
                         return_ACPI_STATUS(status);
@@ -399,7 +399,7 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
 
         ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios);
 
-        status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
+        status = acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, 1);
         if (ACPI_FAILURE(status)) {
                 return_ACPI_STATUS(status);
         }
@@ -431,7 +431,8 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
 
         do {
                 acpi_os_stall(1000);
-                status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value);
+                status =
+                    acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, &in_value);
                 if (ACPI_FAILURE(status)) {
                         return_ACPI_STATUS(status);
                 }
@@ -592,18 +593,18 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
          * it to determine whether the system is rebooting or resuming. Clear
          * it for compatibility.
          */
-        acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
+        acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, 1);
 
         acpi_gbl_system_awake_and_running = TRUE;
 
         /* Enable power button */
 
         (void)
-            acpi_set_register(acpi_gbl_fixed_event_info
+            acpi_write_bit_register(acpi_gbl_fixed_event_info
                               [ACPI_EVENT_POWER_BUTTON].enable_register_id, 1);
 
         (void)
-            acpi_set_register(acpi_gbl_fixed_event_info
+            acpi_write_bit_register(acpi_gbl_fixed_event_info
                               [ACPI_EVENT_POWER_BUTTON].status_register_id, 1);
 
         arg.integer.value = ACPI_SST_WORKING;
diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
index c8100199634b..529251c7f911 100644
--- a/drivers/acpi/acpica/hwxface.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -242,7 +242,7 @@ ACPI_EXPORT_SYMBOL(acpi_write)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_get_register
+ * FUNCTION:    acpi_read_bit_register
  *
  * PARAMETERS:  register_id     - ID of ACPI Bit Register to access
  *              return_value    - Value that was read from the register,
@@ -264,13 +264,13 @@ ACPI_EXPORT_SYMBOL(acpi_write)
  *       it make much sense to actually read this field.)
  *
  ******************************************************************************/
-acpi_status acpi_get_register(u32 register_id, u32 *return_value)
+acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value)
 {
         u32 register_value = 0;
         struct acpi_bit_register_info *bit_reg_info;
         acpi_status status;
 
-        ACPI_FUNCTION_TRACE(acpi_get_register);
+        ACPI_FUNCTION_TRACE(acpi_read_bit_register);
 
         /* Get the info structure corresponding to the requested ACPI Register */
 
@@ -302,11 +302,11 @@ acpi_status acpi_get_register(u32 register_id, u32 *return_value)
         return_ACPI_STATUS(status);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_get_register)
+ACPI_EXPORT_SYMBOL(acpi_read_bit_register)
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_set_register
+ * FUNCTION:    acpi_write_bit_register
  *
  * PARAMETERS:  register_id     - ID of ACPI Bit Register to access
  *              Value           - Value to write to the register, in bit
@@ -322,14 +322,14 @@ ACPI_EXPORT_SYMBOL(acpi_get_register)
  *              PM2 Control.
  *
  ******************************************************************************/
-acpi_status acpi_set_register(u32 register_id, u32 value)
+acpi_status acpi_write_bit_register(u32 register_id, u32 value)
 {
         u32 register_value = 0;
         struct acpi_bit_register_info *bit_reg_info;
         acpi_status status;
         acpi_cpu_flags lock_flags;
 
-        ACPI_FUNCTION_TRACE_U32(acpi_set_register, register_id);
+        ACPI_FUNCTION_TRACE_U32(acpi_write_bit_register, register_id);
 
         /* Get the info structure corresponding to the requested ACPI Register */
 
@@ -459,7 +459,7 @@ acpi_status acpi_set_register(u32 register_id, u32 value)
         return_ACPI_STATUS(status);
 }
 
-ACPI_EXPORT_SYMBOL(acpi_set_register)
+ACPI_EXPORT_SYMBOL(acpi_write_bit_register)
 
 /*******************************************************************************
  *
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 6946047d0096..5c69e85c1e4d 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -630,7 +630,7 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
          * In either case, the proper way to
          * handle BM_RLD is to set it and leave it set.
          */
-        acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1);
+        acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_RLD, 1);
 
         return;
 }
@@ -800,9 +800,9 @@ static int acpi_idle_bm_check(void)
 {
         u32 bm_status = 0;
 
-        acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status);
+        acpi_read_bit_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status);
         if (bm_status)
-                acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1);
+                acpi_write_bit_register(ACPI_BITREG_BUS_MASTER_STATUS, 1);
         /*
          * PIIX4 Erratum #18: Note that BM_STS doesn't always reflect
          * the true state of bus mastering activity; forcing us to
@@ -1028,7 +1028,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
                 c3_cpu_count++;
                 /* Disable bus master arbitration when all CPUs are in C3 */
                 if (c3_cpu_count == num_online_cpus())
-                        acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1);
+                        acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 1);
                 spin_unlock(&c3_lock);
         } else if (!pr->flags.bm_check) {
                 ACPI_FLUSH_CPU_CACHE();
@@ -1041,7 +1041,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
         /* Re-enable bus master arbitration */
         if (pr->flags.bm_check && pr->flags.bm_control) {
                 spin_lock(&c3_lock);
-                acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
+                acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 0);
                 c3_cpu_count--;
                 spin_unlock(&c3_lock);
         }
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 00456fccfa38..837ac7d5801b 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -248,7 +248,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 
         /* If ACPI is not enabled by the BIOS, we need to enable it here. */
         if (set_sci_en_on_resume)
-                acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1);
+                acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
         else
                 acpi_enable();
 
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 325d4b073aca..a5525a5518a9 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -345,9 +345,9 @@ acpi_resource_to_address64(struct acpi_resource *resource,
  */
 acpi_status acpi_reset(void);
 
-acpi_status acpi_get_register(u32 register_id, u32 * return_value);
+acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value);
 
-acpi_status acpi_set_register(u32 register_id, u32 value);
+acpi_status acpi_write_bit_register(u32 register_id, u32 value);
 
 acpi_status acpi_set_firmware_waking_vector(u32 physical_address);