Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6

[pandora-kernel.git] / drivers / ps3 / ps3-lpm.c

diff --git a/drivers/ps3/ps3-lpm.c b/drivers/ps3/ps3-lpm.c
index 4c06654..204158c 100644 (file)
--- a/drivers/ps3/ps3-lpm.c
+++ b/drivers/ps3/ps3-lpm.c
@@ -22,6 +22,8 @@
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/uaccess.h>
+#include <asm/smp.h>
+#include <asm/time.h>
 #include <asm/ps3.h>
 #include <asm/lv1call.h>
 #include <asm/cell-pmu.h>
@@ -76,7 +78,6 @@
  *
  * @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 +92,6 @@
 struct ps3_lpm_shadow_regs {
        u64 pm_control;
        u64 pm_start_stop;
-       u64 pm_interval;
        u64 group_control;
        u64 debug_bus_control;
 };
@@ -181,9 +181,9 @@ 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 +408,14 @@ 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 +482,8 @@ 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 +1145,6 @@ 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;