Merge commit 'v2.6.38-rc8' into perf/core

Merge reason: Merge latest fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

7 files changed, 45 insertions, 33 deletions

diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c
index 337392c3f549..acb7ae5b0a25 100644
--- a/arch/arm/mach-omap2/clkt_dpll.c
+++ b/arch/arm/mach-omap2/clkt_dpll.c
@@ -77,7 +77,7 @@ static int _dpll_test_fint(struct clk *clk, u8 n)
         dd = clk->dpll_data;
 
         /* DPLL divider must result in a valid jitter correction val */
-        fint = clk->parent->rate / (n + 1);
+        fint = clk->parent->rate / n;
         if (fint < DPLL_FINT_BAND1_MIN) {
 
                 pr_debug("rejecting n=%d due to Fint failure, "
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 394413dc7deb..24b88504df0f 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -193,10 +193,12 @@ static void omap2_mbox_disable_irq(struct omap_mbox *mbox,
                 omap_mbox_type_t irq)
 {
         struct omap_mbox2_priv *p = mbox->priv;
-        u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-        l = mbox_read_reg(p->irqdisable);
-        l &= ~bit;
-        mbox_write_reg(l, p->irqdisable);
+        u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
+
+        if (!cpu_is_omap44xx())
+                bit = mbox_read_reg(p->irqdisable) & ~bit;
+
+        mbox_write_reg(bit, p->irqdisable);
 }
 
 static void omap2_mbox_ack_irq(struct omap_mbox *mbox,
@@ -334,7 +336,7 @@ static struct omap_mbox mbox_iva_info = {
         .priv   = &omap2_mbox_iva_priv,
 };
 
-struct omap_mbox *omap2_mboxes[] = { &mbox_iva_info, &mbox_dsp_info, NULL };
+struct omap_mbox *omap2_mboxes[] = { &mbox_dsp_info, &mbox_iva_info, NULL };
 #endif
 
 #if defined(CONFIG_ARCH_OMAP4)
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 98148b6c36e9..6c84659cf846 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -605,7 +605,7 @@ static void __init omap_mux_dbg_create_entry(
         list_for_each_entry(e, &partition->muxmodes, node) {
                 struct omap_mux *m = &e->mux;
 
-                (void)debugfs_create_file(m->muxnames[0], S_IWUGO, mux_dbg_dir,
+                (void)debugfs_create_file(m->muxnames[0], S_IWUSR, mux_dbg_dir,
                                           m, &omap_mux_dbg_signal_fops);
         }
 }
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 125f56591fb5..a5a83b358ddd 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -637,14 +637,14 @@ static int __init pm_dbg_init(void)
 
                 }
 
-        (void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUGO, d,
+        (void) debugfs_create_file("enable_off_mode", S_IRUGO | S_IWUSR, d,
                                    &enable_off_mode, &pm_dbg_option_fops);
-        (void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUGO, d,
+        (void) debugfs_create_file("sleep_while_idle", S_IRUGO | S_IWUSR, d,
                                    &sleep_while_idle, &pm_dbg_option_fops);
-        (void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUGO, d,
+        (void) debugfs_create_file("wakeup_timer_seconds", S_IRUGO | S_IWUSR, d,
                                    &wakeup_timer_seconds, &pm_dbg_option_fops);
         (void) debugfs_create_file("wakeup_timer_milliseconds",
-                        S_IRUGO | S_IWUGO, d, &wakeup_timer_milliseconds,
+                        S_IRUGO | S_IWUSR, d, &wakeup_timer_milliseconds,
                         &pm_dbg_option_fops);
         pm_dbg_init_done = 1;
 
diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.h b/arch/arm/mach-omap2/prcm_mpu44xx.h
index 729a644ce852..3300ff6e3cfe 100644
--- a/arch/arm/mach-omap2/prcm_mpu44xx.h
+++ b/arch/arm/mach-omap2/prcm_mpu44xx.h
@@ -38,8 +38,8 @@
 #define OMAP4430_PRCM_MPU_CPU1_INST             0x0800
 
 /* PRCM_MPU clockdomain register offsets (from instance start) */
-#define OMAP4430_PRCM_MPU_CPU0_MPU_CDOFFS       0x0000
-#define OMAP4430_PRCM_MPU_CPU1_MPU_CDOFFS       0x0000
+#define OMAP4430_PRCM_MPU_CPU0_MPU_CDOFFS       0x0018
+#define OMAP4430_PRCM_MPU_CPU1_MPU_CDOFFS       0x0018
 
 
 /*
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index c37e823266d3..1a777e34d0c2 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -282,6 +282,7 @@ error:
                 dev_err(&sr_info->pdev->dev, "%s: ERROR in registering"
                         "interrupt handler. Smartreflex will"
                         "not function as desired\n", __func__);
+                kfree(name);
                 kfree(sr_info);
                 return ret;
 }
@@ -879,7 +880,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
                 ret = sr_late_init(sr_info);
                 if (ret) {
                         pr_warning("%s: Error in SR late init\n", __func__);
-                        return ret;
+                        goto err_release_region;
                 }
         }
 
@@ -890,17 +891,20 @@ static int __init omap_sr_probe(struct platform_device *pdev)
          * not try to create rest of the debugfs entries.
          */
         vdd_dbg_dir = omap_voltage_get_dbgdir(sr_info->voltdm);
-        if (!vdd_dbg_dir)
-                return -EINVAL;
+        if (!vdd_dbg_dir) {
+                ret = -EINVAL;
+                goto err_release_region;
+        }
 
         dbg_dir = debugfs_create_dir("smartreflex", vdd_dbg_dir);
         if (IS_ERR(dbg_dir)) {
                 dev_err(&pdev->dev, "%s: Unable to create debugfs directory\n",
                         __func__);
-                return PTR_ERR(dbg_dir);
+                ret = PTR_ERR(dbg_dir);
+                goto err_release_region;
         }
 
-        (void) debugfs_create_file("autocomp", S_IRUGO | S_IWUGO, dbg_dir,
+        (void) debugfs_create_file("autocomp", S_IRUGO | S_IWUSR, dbg_dir,
                                 (void *)sr_info, &pm_sr_fops);
         (void) debugfs_create_x32("errweight", S_IRUGO, dbg_dir,
                         &sr_info->err_weight);
@@ -913,7 +917,8 @@ static int __init omap_sr_probe(struct platform_device *pdev)
         if (IS_ERR(nvalue_dir)) {
                 dev_err(&pdev->dev, "%s: Unable to create debugfs directory"
                         "for n-values\n", __func__);
-                return PTR_ERR(nvalue_dir);
+                ret = PTR_ERR(nvalue_dir);
+                goto err_release_region;
         }
 
         omap_voltage_get_volttable(sr_info->voltdm, &volt_data);
@@ -922,24 +927,16 @@ static int __init omap_sr_probe(struct platform_device *pdev)
                         " corresponding vdd vdd_%s. Cannot create debugfs"
                         "entries for n-values\n",
                         __func__, sr_info->voltdm->name);
-                return -ENODATA;
+                ret = -ENODATA;
+                goto err_release_region;
         }
 
         for (i = 0; i < sr_info->nvalue_count; i++) {
-                char *name;
-                char volt_name[32];
-
-                name = kzalloc(NVALUE_NAME_LEN + 1, GFP_KERNEL);
-                if (!name) {
-                        dev_err(&pdev->dev, "%s: Unable to allocate memory"
-                                " for n-value directory name\n",  __func__);
-                        return -ENOMEM;
-                }
+                char name[NVALUE_NAME_LEN + 1];
 
-                strcpy(name, "volt_");
-                sprintf(volt_name, "%d", volt_data[i].volt_nominal);
-                strcat(name, volt_name);
-                (void) debugfs_create_x32(name, S_IRUGO | S_IWUGO, nvalue_dir,
+                snprintf(name, sizeof(name), "volt_%d",
+                         volt_data[i].volt_nominal);
+                (void) debugfs_create_x32(name, S_IRUGO | S_IWUSR, nvalue_dir,
                                 &(sr_info->nvalue_table[i].nvalue));
         }
 
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index 7b7c2683ae7b..0fc550e7e482 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -39,6 +39,7 @@
 #include <asm/mach/time.h>
 #include <plat/dmtimer.h>
 #include <asm/localtimer.h>
+#include <asm/sched_clock.h>
 
 #include "timer-gp.h"
 
@@ -190,6 +191,7 @@ static void __init omap2_gp_clocksource_init(void)
 /*
  * clocksource
  */
+static DEFINE_CLOCK_DATA(cd);
 static struct omap_dm_timer *gpt_clocksource;
 static cycle_t clocksource_read_cycles(struct clocksource *cs)
 {
@@ -204,6 +206,15 @@ static struct clocksource clocksource_gpt = {
         .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
+static void notrace dmtimer_update_sched_clock(void)
+{
+        u32 cyc;
+
+        cyc = omap_dm_timer_read_counter(gpt_clocksource);
+
+        update_sched_clock(&cd, cyc, (u32)~0);
+}
+
 /* Setup free-running counter for clocksource */
 static void __init omap2_gp_clocksource_init(void)
 {
@@ -224,6 +235,8 @@ static void __init omap2_gp_clocksource_init(void)
 
         omap_dm_timer_set_load_start(gpt, 1, 0);
 
+        init_sched_clock(&cd, dmtimer_update_sched_clock, 32, tick_rate);
+
         if (clocksource_register_hz(&clocksource_gpt, tick_rate))
                 printk(err2, clocksource_gpt.name);
 }