Merge branch 'hotfixes' into devel

8 files changed, 17 insertions, 12 deletions

diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c
index 8a9c26973605..64d17b0d6455 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
@@ -39,12 +39,9 @@ static int mpc837xmds_usb_cfg(void)
         if (ret)
                 return ret;
         /* Map BCSR area */
-        np = of_find_node_by_name(NULL, "bcsr");
+        np = of_find_compatible_node(NULL, NULL, "fsl,mpc837xmds-bcsr");
         if (np) {
-                struct resource res;
-
-                of_address_to_resource(np, 0, &res);
-                bcsr_regs = ioremap(res.start, res.end - res.start + 1);
+                bcsr_regs = of_iomap(np, 0);
                 of_node_put(np);
         }
         if (!bcsr_regs)
@@ -96,6 +93,7 @@ static void __init mpc837x_mds_setup_arch(void)
 static struct of_device_id mpc837x_ids[] = {
         { .type = "soc", },
         { .compatible = "soc", },
+        { .compatible = "simple-bus", },
         {},
 };
 
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 0afd22595546..a578b966ecbc 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -22,7 +22,6 @@ config PPC_83xx
         select FSL_SOC
         select MPC83xx
         select IPIC
-        select FSL_EMB_PERFMON
 
 config PPC_86xx
         bool "Freescale 86xx"
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 73d81ce14b67..0c3face0ddbb 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -113,7 +113,12 @@ config FSL_BOOKE
         default y
 
 config FSL_EMB_PERFMON
-        bool
+        bool "Freescale Embedded Perfmon"
+        depends on E500 || PPC_83xx
+        help
+          This is the Performance Monitor support found on the e500 core
+          and some e300 cores (c3 and c4).  Select this only if your
+          core supports the Embedded Performance Monitor APU
 
 config PTE_64BIT
         bool
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index cf6c2c89211d..0ad83aeb70b1 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -170,7 +170,8 @@ void spu_release_saved(struct spu_context *ctx)
 {
         BUG_ON(ctx->state != SPU_STATE_SAVED);
 
-        if (test_and_clear_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags))
+        if (test_and_clear_bit(SPU_SCHED_WAS_ACTIVE, &ctx->sched_flags) &&
+                        test_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags))
                 spu_activate(ctx, 0);
 
         spu_release(ctx);
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index 6221968c2a3c..cac69e116776 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -220,6 +220,7 @@ static int spu_run_init(struct spu_context *ctx, u32 *npc)
                 }
         }
 
+        set_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags);
         return 0;
 }
 
@@ -234,7 +235,7 @@ static int spu_run_fini(struct spu_context *ctx, u32 *npc,
         *npc = ctx->ops->npc_read(ctx);
 
         spuctx_switch_state(ctx, SPU_UTIL_IDLE_LOADED);
-        ctx->policy = SCHED_IDLE;
+        clear_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags);
         spu_release(ctx);
 
         if (signal_pending(current))
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 5d5f680cd0b8..00528ef84ad2 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -867,7 +867,7 @@ static noinline void spusched_tick(struct spu_context *ctx)
         if (ctx->policy == SCHED_FIFO)
                 goto out;
 
-        if (--ctx->time_slice && ctx->policy != SCHED_IDLE)
+        if (--ctx->time_slice && test_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags))
                 goto out;
 
         spu = ctx->spu;
@@ -877,7 +877,7 @@ static noinline void spusched_tick(struct spu_context *ctx)
         new = grab_runnable_context(ctx->prio + 1, spu->node);
         if (new) {
                 spu_unschedule(spu, ctx);
-                if (ctx->policy != SCHED_IDLE)
+                if (test_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags))
                         spu_add_to_rq(ctx);
         } else {
                 spu_context_nospu_trace(spusched_tick__newslice, ctx);
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 2c2fe3c07d72..cdc515182f82 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -44,6 +44,7 @@ struct spu_gang;
 enum {
         SPU_SCHED_NOTIFY_ACTIVE,
         SPU_SCHED_WAS_ACTIVE,   /* was active upon spu_acquire_saved()  */
+        SPU_SCHED_SPU_RUN,      /* context is within spu_run */
 };
 
 struct spu_context {
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 40736400ef80..829b8b02527b 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -618,9 +618,9 @@ static int pmacpic_find_viaint(void)
         if (np == NULL)
                 goto not_found;
         viaint = irq_of_parse_and_map(np, 0);;
-#endif /* CONFIG_ADB_PMU */
 
 not_found:
+#endif /* CONFIG_ADB_PMU */
         return viaint;
 }