4 files changed, 34 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h
index 87d5206..2eb8f92 100644
--- a/arch/powerpc/platforms/ps3/platform.h
+++ b/arch/powerpc/platforms/ps3/platform.h
@@ -83,6 +83,7 @@ enum ps3_dev_type {
 	PS3_DEV_TYPE_STOR_ROM = TYPE_ROM,	/* 5 */
 	PS3_DEV_TYPE_SB_GPIO = 6,
 	PS3_DEV_TYPE_STOR_FLASH = TYPE_RBC,	/* 14 */
+	PS3_DEV_TYPE_STOR_DUMMY = 32,
 	PS3_DEV_TYPE_NOACCESS = 255,
 };
 
diff --git a/arch/powerpc/platforms/ps3/repository.c b/arch/powerpc/platforms/ps3/repository.c
index 8cc37cfe..1c94824 100644
--- a/arch/powerpc/platforms/ps3/repository.c
+++ b/arch/powerpc/platforms/ps3/repository.c
@@ -349,6 +349,35 @@ int ps3_repository_find_device(struct ps3_repository_device *repo)
 		return result;
 	}
 
+	if (tmp.bus_type == PS3_BUS_TYPE_STORAGE) {
+		/*
+		 * A storage device may show up in the repository before the
+		 * hypervisor has finished probing its type and regions
+		 */
+		unsigned int num_regions;
+
+		if (tmp.dev_type == PS3_DEV_TYPE_STOR_DUMMY) {
+			pr_debug("%s:%u storage device not ready\n", __func__,
+				 __LINE__);
+			return -ENODEV;
+		}
+
+		result = ps3_repository_read_stor_dev_num_regions(tmp.bus_index,
+								  tmp.dev_index,
+								  &num_regions);
+		if (result) {
+			pr_debug("%s:%d read_stor_dev_num_regions failed\n",
+				 __func__, __LINE__);
+			return result;
+		}
+
+		if (!num_regions) {
+			pr_debug("%s:%u storage device has no regions yet\n",
+				 __func__, __LINE__);
+			return -ENODEV;
+		}
+	}
+
 	result = ps3_repository_read_dev_id(tmp.bus_index, tmp.dev_index,
 		&tmp.dev_id);
 
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index 2952b22..609945d 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -63,7 +63,8 @@ int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev)
 	x.minor = minor;
 	x.rev = rev;
 
-	return (ps3_firmware_version.raw - x.raw);
+	return (ps3_firmware_version.raw > x.raw) -
+	       (ps3_firmware_version.raw < x.raw);
 }
 EXPORT_SYMBOL_GPL(ps3_compare_firmware_version);
 
diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c
index ac2a4b8..d1630a0 100644
--- a/arch/powerpc/platforms/ps3/spu.c
+++ b/arch/powerpc/platforms/ps3/spu.c
@@ -505,6 +505,8 @@ static void mfc_sr1_set(struct spu *spu, u64 sr1)
 	static const u64 allowed = ~(MFC_STATE1_LOCAL_STORAGE_DECODE_MASK
 		| MFC_STATE1_PROBLEM_STATE_MASK);
 
+	sr1 |= MFC_STATE1_MASTER_RUN_CONTROL_MASK;
+
 	BUG_ON((sr1 & allowed) != (spu_pdata(spu)->cache.sr1 & allowed));
 
 	spu_pdata(spu)->cache.sr1 = sr1;