Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] Remove unused CONFIG_WANT_DEVICE_TREE
  [POWERPC] Cell RAS: Remove DEBUG, and add license and copyright
  [POWERPC] hvc_rtas_init() must be __init
  [POWERPC] free_property() must not be __init
  [POWERPC] vdso_do_func_patch{32,64}() must be __init
  [POWERPC] Remove generated files on make clean
  [POWERPC] Fix arch/ppc compilation - add typedef for pgtable_t
  [POWERPC] Wire up new timerfd syscalls
  [POWERPC] PS3: Update sys-manager button events
  [POWERPC] PS3: Sys-manager code cleanup
  [POWERPC] PS3: Use system reboot on restart
  [POWERPC] PS3: Fix bootwrapper hang bug
  [POWERPC] PS3: Fix reading pm interval in logical performance monitor
  [POWERPC] PS3: Fix setting bookmark in logical performance monitor
  [POWERPC] Fix DEBUG_PREEMPT warning when warning

3 files changed, 44 insertions, 24 deletions

diff --git a/drivers/char/hvc_rtas.c b/drivers/char/hvc_rtas.c
index bb09413d5a2..88590d04004 100644
--- a/drivers/char/hvc_rtas.c
+++ b/drivers/char/hvc_rtas.c
@@ -76,7 +76,7 @@ static struct hv_ops hvc_rtas_get_put_ops = {
 	.put_chars = hvc_rtas_write_console,
 };
 
-static int hvc_rtas_init(void)
+static int __init hvc_rtas_init(void)
 {
 	struct hvc_struct *hp;
 
diff --git a/drivers/ps3/ps3-lpm.c b/drivers/ps3/ps3-lpm.c
index 4c066545d17..6c9592ce499 100644
--- a/drivers/ps3/ps3-lpm.c
+++ b/drivers/ps3/ps3-lpm.c
@@ -76,7 +76,6 @@
  *
  * @pm_control: Shadow of the processor's pm_control register.
  * @pm_start_stop: Shadow of the processor's pm_start_stop register.
- * @pm_interval: Shadow of the processor's pm_interval register.
  * @group_control: Shadow of the processor's group_control register.
  * @debug_bus_control: Shadow of the processor's debug_bus_control register.
  *
@@ -91,7 +90,6 @@
 struct ps3_lpm_shadow_regs {
 	u64 pm_control;
 	u64 pm_start_stop;
-	u64 pm_interval;
 	u64 group_control;
 	u64 debug_bus_control;
 };
@@ -181,9 +179,9 @@ void ps3_set_bookmark(u64 bookmark)
 	 * includes cycles before the call.
 	 */
 
-	asm volatile("or 29, 29, 29;"); /* db10cyc */
+	asm volatile("nop;nop;nop;nop;nop;nop;nop;nop;nop;");
 	mtspr(SPRN_BKMK, bookmark);
-	asm volatile("or 29, 29, 29;"); /* db10cyc */
+	asm volatile("nop;nop;nop;nop;nop;nop;nop;nop;nop;");
 }
 EXPORT_SYMBOL_GPL(ps3_set_bookmark);
 
@@ -408,7 +406,14 @@ u32 ps3_read_pm(u32 cpu, enum pm_reg_name reg)
 	case pm_start_stop:
 		return lpm_priv->shadow.pm_start_stop;
 	case pm_interval:
-		return lpm_priv->shadow.pm_interval;
+		result = lv1_set_lpm_interval(lpm_priv->lpm_id, 0, 0, &val);
+		if (result) {
+			val = 0;
+			dev_dbg(sbd_core(), "%s:%u: lv1 set_inteval failed: "
+				"reg %u, %s\n", __func__, __LINE__, reg,
+				ps3_result(result));
+		}
+		return (u32)val;
 	case group_control:
 		return lpm_priv->shadow.group_control;
 	case debug_bus_control:
@@ -475,10 +480,8 @@ void ps3_write_pm(u32 cpu, enum pm_reg_name reg, u32 val)
 		lpm_priv->shadow.pm_control = val;
 		break;
 	case pm_interval:
-		if (val != lpm_priv->shadow.pm_interval)
-			result = lv1_set_lpm_interval(lpm_priv->lpm_id, val,
-						   PS3_WRITE_PM_MASK, &dummy);
-		lpm_priv->shadow.pm_interval = val;
+		result = lv1_set_lpm_interval(lpm_priv->lpm_id, val,
+					      PS3_WRITE_PM_MASK, &dummy);
 		break;
 	case pm_start_stop:
 		if (val != lpm_priv->shadow.pm_start_stop)
@@ -1140,7 +1143,6 @@ int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
 
 	lpm_priv->shadow.pm_control = PS3_LPM_SHADOW_REG_INIT;
 	lpm_priv->shadow.pm_start_stop = PS3_LPM_SHADOW_REG_INIT;
-	lpm_priv->shadow.pm_interval = PS3_LPM_SHADOW_REG_INIT;
 	lpm_priv->shadow.group_control = PS3_LPM_SHADOW_REG_INIT;
 	lpm_priv->shadow.debug_bus_control = PS3_LPM_SHADOW_REG_INIT;
 
diff --git a/drivers/ps3/ps3-sys-manager.c b/drivers/ps3/ps3-sys-manager.c
index c3c3aba3ffc..d4f6f960dd1 100644
--- a/drivers/ps3/ps3-sys-manager.c
+++ b/drivers/ps3/ps3-sys-manager.c
@@ -28,10 +28,6 @@
 
 #include "vuart.h"
 
-MODULE_AUTHOR("Sony Corporation");
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("PS3 System Manager");
-
 /**
  * ps3_sys_manager - PS3 system manager driver.
  *
@@ -142,9 +138,11 @@ enum ps3_sys_manager_attr {
 
 /**
  * enum ps3_sys_manager_event - External event type, reported by system manager.
- * @PS3_SM_EVENT_POWER_PRESSED: payload.value not used.
+ * @PS3_SM_EVENT_POWER_PRESSED: payload.value =
+ *  enum ps3_sys_manager_button_event.
  * @PS3_SM_EVENT_POWER_RELEASED: payload.value = time pressed in millisec.
- * @PS3_SM_EVENT_RESET_PRESSED: payload.value not used.
+ * @PS3_SM_EVENT_RESET_PRESSED: payload.value =
+ *  enum ps3_sys_manager_button_event.
  * @PS3_SM_EVENT_RESET_RELEASED: payload.value = time pressed in millisec.
  * @PS3_SM_EVENT_THERMAL_ALERT: payload.value = thermal zone id.
  * @PS3_SM_EVENT_THERMAL_CLEARED: payload.value = thermal zone id.
@@ -162,6 +160,17 @@ enum ps3_sys_manager_event {
 };
 
 /**
+ * enum ps3_sys_manager_button_event - Button event payload values.
+ * @PS3_SM_BUTTON_EVENT_HARD: Hardware generated event.
+ * @PS3_SM_BUTTON_EVENT_SOFT: Software generated event.
+ */
+
+enum ps3_sys_manager_button_event {
+	PS3_SM_BUTTON_EVENT_HARD = 0,
+	PS3_SM_BUTTON_EVENT_SOFT = 1,
+};
+
+/**
  * enum ps3_sys_manager_next_op - Operation to perform after lpar is destroyed.
  */
 
@@ -181,7 +190,9 @@ enum ps3_sys_manager_next_op {
  * @PS3_SM_WAKE_P_O_R: Power on reset.
  *
  * Additional wakeup sources when specifying PS3_SM_NEXT_OP_SYS_SHUTDOWN.
- * System will always wake from the PS3_SM_WAKE_DEFAULT sources.
+ * The system will always wake from the PS3_SM_WAKE_DEFAULT sources.
+ * Sources listed here are the only ones available to guests in the
+ * other-os lpar.
  */
 
 enum ps3_sys_manager_wake_source {
@@ -189,7 +200,7 @@ enum ps3_sys_manager_wake_source {
 	PS3_SM_WAKE_DEFAULT   = 0,
 	PS3_SM_WAKE_RTC       = 0x00000040,
 	PS3_SM_WAKE_RTC_ERROR = 0x00000080,
-	PS3_SM_WAKE_P_O_R     = 0x10000000,
+	PS3_SM_WAKE_P_O_R     = 0x80000000,
 };
 
 /**
@@ -418,8 +429,10 @@ static int ps3_sys_manager_handle_event(struct ps3_system_bus_device *dev)
 
 	switch (event.type) {
 	case PS3_SM_EVENT_POWER_PRESSED:
-		dev_dbg(&dev->core, "%s:%d: POWER_PRESSED\n",
-			__func__, __LINE__);
+		dev_dbg(&dev->core, "%s:%d: POWER_PRESSED (%s)\n",
+			__func__, __LINE__,
+			(event.value == PS3_SM_BUTTON_EVENT_SOFT ? "soft"
+			: "hard"));
 		ps3_sm_force_power_off = 1;
 		/*
 		 * A memory barrier is use here to sync memory since
@@ -434,8 +447,10 @@ static int ps3_sys_manager_handle_event(struct ps3_system_bus_device *dev)
 			__func__, __LINE__, event.value);
 		break;
 	case PS3_SM_EVENT_RESET_PRESSED:
-		dev_dbg(&dev->core, "%s:%d: RESET_PRESSED\n",
-			__func__, __LINE__);
+		dev_dbg(&dev->core, "%s:%d: RESET_PRESSED (%s)\n",
+			__func__, __LINE__,
+			(event.value == PS3_SM_BUTTON_EVENT_SOFT ? "soft"
+			: "hard"));
 		ps3_sm_force_power_off = 0;
 		/*
 		 * A memory barrier is use here to sync memory since
@@ -622,7 +637,7 @@ static void ps3_sys_manager_final_restart(struct ps3_system_bus_device *dev)
 	ps3_vuart_cancel_async(dev);
 
 	ps3_sys_manager_send_attr(dev, 0);
-	ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_LPAR_REBOOT,
+	ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_SYS_REBOOT,
 		PS3_SM_WAKE_DEFAULT);
 	ps3_sys_manager_send_request_shutdown(dev);
 
@@ -699,4 +714,7 @@ static int __init ps3_sys_manager_init(void)
 module_init(ps3_sys_manager_init);
 /* Module remove not supported. */
 
+MODULE_AUTHOR("Sony Corporation");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("PS3 System Manager");
 MODULE_ALIAS(PS3_MODULE_ALIAS_SYSTEM_MANAGER);