Merge branch 'linux-2.6' into for-2.6.24

13 files changed, 68 insertions, 17 deletions

diff --git a/arch/powerpc/platforms/85xx/mpc8544_ds.c b/arch/powerpc/platforms/85xx/mpc8544_ds.c
index 0f834d8be44..48983bc56d4 100644
--- a/arch/powerpc/platforms/85xx/mpc8544_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc8544_ds.c
@@ -178,7 +178,9 @@ define_machine(mpc8544_ds) {
 	.probe			= mpc8544_ds_probe,
 	.setup_arch		= mpc8544_ds_setup_arch,
 	.init_IRQ		= mpc8544_ds_pic_init,
+#ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
 	.get_irq		= mpic_get_irq,
 	.restart		= mpc85xx_restart,
 	.calibrate_decr		= generic_calibrate_decr,
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index 04023347238..b46c8d50f6d 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -350,10 +350,10 @@ define_machine(mpc85xx_cds) {
 	.get_irq	= mpic_get_irq,
 #ifdef CONFIG_PCI
 	.restart	= mpc85xx_cds_restart,
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 #else
 	.restart	= mpc85xx_restart,
 #endif
 	.calibrate_decr = generic_calibrate_decr,
 	.progress	= udbg_progress,
-	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 };
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 53830c9a88f..66366a02382 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -206,5 +206,7 @@ define_machine(mpc85xx_mds) {
 	.restart	= mpc85xx_restart,
 	.calibrate_decr	= generic_calibrate_decr,
 	.progress	= udbg_progress,
+#ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
 };
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 56b27caf7a2..47aafa76c93 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -250,5 +250,7 @@ define_machine(mpc86xx_hpcn) {
 	.time_init		= mpc86xx_time_init,
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= udbg_progress,
+#ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
 };
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 8eb8d400ecb..065f3b19d6c 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -286,6 +286,7 @@ config AXON_RAM
 config FSL_ULI1575
 	bool
 	default n
+	select GENERIC_ISA_DMA
 	help
 	  Supports for the ULI1575 PCIe south bridge that exists on some
 	  Freescale reference boards. The boards all use the ULI in pretty
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 095a30304c5..106d2921e2d 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -236,27 +236,34 @@ static irqreturn_t
 spu_irq_class_0(int irq, void *data)
 {
 	struct spu *spu;
+	unsigned long stat, mask;
 
 	spu = data;
-	spu->class_0_pending = 1;
+
+	mask = spu_int_mask_get(spu, 0);
+	stat = spu_int_stat_get(spu, 0);
+	stat &= mask;
+
+	spin_lock(&spu->register_lock);
+	spu->class_0_pending |= stat;
+	spin_unlock(&spu->register_lock);
+
 	spu->stop_callback(spu);
 
+	spu_int_stat_clear(spu, 0, stat);
+
 	return IRQ_HANDLED;
 }
 
 int
 spu_irq_class_0_bottom(struct spu *spu)
 {
-	unsigned long stat, mask;
 	unsigned long flags;
-
-	spu->class_0_pending = 0;
+	unsigned long stat;
 
 	spin_lock_irqsave(&spu->register_lock, flags);
-	mask = spu_int_mask_get(spu, 0);
-	stat = spu_int_stat_get(spu, 0);
-
-	stat &= mask;
+	stat = spu->class_0_pending;
+	spu->class_0_pending = 0;
 
 	if (stat & 1) /* invalid DMA alignment */
 		__spu_trap_dma_align(spu);
@@ -267,7 +274,6 @@ spu_irq_class_0_bottom(struct spu *spu)
 	if (stat & 4) /* error on SPU */
 		__spu_trap_error(spu);
 
-	spu_int_stat_clear(spu, 0, stat);
 	spin_unlock_irqrestore(&spu->register_lock, flags);
 
 	return (stat & 0x7) ? -EIO : 0;
diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c
index 7c0668a9dcc..0e14f532500 100644
--- a/arch/powerpc/platforms/cell/spu_manage.c
+++ b/arch/powerpc/platforms/cell/spu_manage.c
@@ -48,10 +48,18 @@ static u64 __init find_spu_unit_number(struct device_node *spe)
 {
 	const unsigned int *prop;
 	int proplen;
+
+	/* new device trees should provide the physical-id attribute */
 	prop = of_get_property(spe, "physical-id", &proplen);
 	if (proplen == 4)
 		return (u64)*prop;
 
+	/* celleb device tree provides the unit-id */
+	prop = of_get_property(spe, "unit-id", &proplen);
+	if (proplen == 4)
+		return (u64)*prop;
+
+	/* legacy device trees provide the id in the reg attribute */
 	prop = of_get_property(spe, "reg", &proplen);
 	if (proplen == 4)
 		return (u64)*prop;
diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c
index 07a0e815abf..ec01214e51e 100644
--- a/arch/powerpc/platforms/cell/spufs/backing_ops.c
+++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c
@@ -162,7 +162,8 @@ static int spu_backing_wbox_write(struct spu_context *ctx, u32 data)
 		BUG_ON(avail != (4 - slot));
 		ctx->csa.spu_mailbox_data[slot] = data;
 		ctx->csa.spu_chnlcnt_RW[29] = ++slot;
-		ctx->csa.prob.mb_stat_R = (((4 - slot) & 0xff) << 8);
+		ctx->csa.prob.mb_stat_R &= ~(0x00ff00);
+		ctx->csa.prob.mb_stat_R |= (((4 - slot) & 0xff) << 8);
 		gen_spu_event(ctx, MFC_SPU_MAILBOX_WRITTEN_EVENT);
 		ret = 4;
 	} else {
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index 6abdd8fe209..958f10e90fd 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -193,11 +193,7 @@ static int spu_reacquire_runnable(struct spu_context *ctx, u32 *npc,
 	if (ret)
 		return ret;
 
-	ret = spu_run_init(ctx, npc);
-	if (ret) {
-		spu_release(ctx);
-		return ret;
-	}
+	spuctx_switch_state(ctx, SPU_UTIL_USER);
 	return 0;
 }
 
diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h
index 87d52060fec..2eb8f92704b 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 8cc37cfea0f..1c94824f7b6 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 2952b22f1c8..609945dbe39 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 ac2a4b8a4c1..d1630a074ac 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;