Merge tag 'v3.4-rc5' into for-3.5/core

The core branch is behind driver commits that we want to build
on for 3.5, hence I'm pulling in a later -rc.

Linux 3.4-rc5

Conflicts:
	Documentation/feature-removal-schedule.txt

Signed-off-by: Jens Axboe <axboe@kernel.dk>

4 files changed, 61 insertions, 28 deletions

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 9ac71ebd2c4..395af134774 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -604,18 +604,14 @@ static struct mpic *mpic_find(unsigned int irq)
 }
 
 /* Determine if the linux irq is an IPI */
-static unsigned int mpic_is_ipi(struct mpic *mpic, unsigned int irq)
+static unsigned int mpic_is_ipi(struct mpic *mpic, unsigned int src)
 {
-	unsigned int src = virq_to_hw(irq);
-
 	return (src >= mpic->ipi_vecs[0] && src <= mpic->ipi_vecs[3]);
 }
 
 /* Determine if the linux irq is a timer */
-static unsigned int mpic_is_tm(struct mpic *mpic, unsigned int irq)
+static unsigned int mpic_is_tm(struct mpic *mpic, unsigned int src)
 {
-	unsigned int src = virq_to_hw(irq);
-
 	return (src >= mpic->timer_vecs[0] && src <= mpic->timer_vecs[7]);
 }
 
@@ -876,21 +872,45 @@ int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type)
 	if (src >= mpic->num_sources)
 		return -EINVAL;
 
+	vold = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
+
+	/* We don't support "none" type */
 	if (flow_type == IRQ_TYPE_NONE)
-		if (mpic->senses && src < mpic->senses_count)
-			flow_type = mpic->senses[src];
-	if (flow_type == IRQ_TYPE_NONE)
-		flow_type = IRQ_TYPE_LEVEL_LOW;
+		flow_type = IRQ_TYPE_DEFAULT;
+
+	/* Default: read HW settings */
+	if (flow_type == IRQ_TYPE_DEFAULT) {
+		switch(vold & (MPIC_INFO(VECPRI_POLARITY_MASK) |
+			       MPIC_INFO(VECPRI_SENSE_MASK))) {
+			case MPIC_INFO(VECPRI_SENSE_EDGE) |
+			     MPIC_INFO(VECPRI_POLARITY_POSITIVE):
+				flow_type = IRQ_TYPE_EDGE_RISING;
+				break;
+			case MPIC_INFO(VECPRI_SENSE_EDGE) |
+			     MPIC_INFO(VECPRI_POLARITY_NEGATIVE):
+				flow_type = IRQ_TYPE_EDGE_FALLING;
+				break;
+			case MPIC_INFO(VECPRI_SENSE_LEVEL) |
+			     MPIC_INFO(VECPRI_POLARITY_POSITIVE):
+				flow_type = IRQ_TYPE_LEVEL_HIGH;
+				break;
+			case MPIC_INFO(VECPRI_SENSE_LEVEL) |
+			     MPIC_INFO(VECPRI_POLARITY_NEGATIVE):
+				flow_type = IRQ_TYPE_LEVEL_LOW;
+				break;
+		}
+	}
 
+	/* Apply to irq desc */
 	irqd_set_trigger_type(d, flow_type);
 
+	/* Apply to HW */
 	if (mpic_is_ht_interrupt(mpic, src))
 		vecpri = MPIC_VECPRI_POLARITY_POSITIVE |
 			MPIC_VECPRI_SENSE_EDGE;
 	else
 		vecpri = mpic_type_to_vecpri(mpic, flow_type);
 
-	vold = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
 	vnew = vold & ~(MPIC_INFO(VECPRI_POLARITY_MASK) |
 			MPIC_INFO(VECPRI_SENSE_MASK));
 	vnew |= vecpri;
@@ -1026,7 +1046,7 @@ static int mpic_host_map(struct irq_domain *h, unsigned int virq,
 	irq_set_chip_and_handler(virq, chip, handle_fasteoi_irq);
 
 	/* Set default irq type */
-	irq_set_irq_type(virq, IRQ_TYPE_NONE);
+	irq_set_irq_type(virq, IRQ_TYPE_DEFAULT);
 
 	/* If the MPIC was reset, then all vectors have already been
 	 * initialized.  Otherwise, a per source lazy initialization
@@ -1417,12 +1437,6 @@ void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
 		mpic->num_sources = isu_first + mpic->isu_size;
 }
 
-void __init mpic_set_default_senses(struct mpic *mpic, u8 *senses, int count)
-{
-	mpic->senses = senses;
-	mpic->senses_count = count;
-}
-
 void __init mpic_init(struct mpic *mpic)
 {
 	int i, cpu;
@@ -1555,12 +1569,12 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
 		return;
 
 	raw_spin_lock_irqsave(&mpic_lock, flags);
-	if (mpic_is_ipi(mpic, irq)) {
+	if (mpic_is_ipi(mpic, src)) {
 		reg = mpic_ipi_read(src - mpic->ipi_vecs[0]) &
 			~MPIC_VECPRI_PRIORITY_MASK;
 		mpic_ipi_write(src - mpic->ipi_vecs[0],
 			       reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
-	} else if (mpic_is_tm(mpic, irq)) {
+	} else if (mpic_is_tm(mpic, src)) {
 		reg = mpic_tm_read(src - mpic->timer_vecs[0]) &
 			~MPIC_VECPRI_PRIORITY_MASK;
 		mpic_tm_write(src - mpic->timer_vecs[0],
diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c
index 6e7fa386e76..483d8fa72e8 100644
--- a/arch/powerpc/sysdev/mpic_msgr.c
+++ b/arch/powerpc/sysdev/mpic_msgr.c
@@ -27,6 +27,7 @@
 
 static struct mpic_msgr **mpic_msgrs;
 static unsigned int mpic_msgr_count;
+static DEFINE_RAW_SPINLOCK(msgrs_lock);
 
 static inline void _mpic_msgr_mer_write(struct mpic_msgr *msgr, u32 value)
 {
@@ -56,12 +57,11 @@ struct mpic_msgr *mpic_msgr_get(unsigned int reg_num)
 	if (reg_num >= mpic_msgr_count)
 		return ERR_PTR(-ENODEV);
 
-	raw_spin_lock_irqsave(&msgr->lock, flags);
-	if (mpic_msgrs[reg_num]->in_use == MSGR_FREE) {
-		msgr = mpic_msgrs[reg_num];
+	raw_spin_lock_irqsave(&msgrs_lock, flags);
+	msgr = mpic_msgrs[reg_num];
+	if (msgr->in_use == MSGR_FREE)
 		msgr->in_use = MSGR_INUSE;
-	}
-	raw_spin_unlock_irqrestore(&msgr->lock, flags);
+	raw_spin_unlock_irqrestore(&msgrs_lock, flags);
 
 	return msgr;
 }
@@ -228,7 +228,7 @@ static __devinit int mpic_msgr_probe(struct platform_device *dev)
 
 		reg_number = block_number * MPIC_MSGR_REGISTERS_PER_BLOCK + i;
 		msgr->base = msgr_block_addr + i * MPIC_MSGR_STRIDE;
-		msgr->mer = msgr->base + MPIC_MSGR_MER_OFFSET;
+		msgr->mer = (u32 *)((u8 *)msgr->base + MPIC_MSGR_MER_OFFSET);
 		msgr->in_use = MSGR_FREE;
 		msgr->num = i;
 		raw_spin_lock_init(&msgr->lock);
diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index ceb09cbd232..818e763f826 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
+ * Copyright (C) 2006-2010 Freescale Semicondutor, Inc. All rights reserved.
  *
  * Authors: 	Shlomi Gridish <gridish@freescale.com>
  * 		Li Yang <leoli@freescale.com>
@@ -266,7 +266,19 @@ EXPORT_SYMBOL(qe_clock_source);
 static void qe_snums_init(void)
 {
 	int i;
-	static const u8 snum_init[] = {
+	static const u8 snum_init_76[] = {
+		0x04, 0x05, 0x0C, 0x0D, 0x14, 0x15, 0x1C, 0x1D,
+		0x24, 0x25, 0x2C, 0x2D, 0x34, 0x35, 0x88, 0x89,
+		0x98, 0x99, 0xA8, 0xA9, 0xB8, 0xB9, 0xC8, 0xC9,
+		0xD8, 0xD9, 0xE8, 0xE9, 0x44, 0x45, 0x4C, 0x4D,
+		0x54, 0x55, 0x5C, 0x5D, 0x64, 0x65, 0x6C, 0x6D,
+		0x74, 0x75, 0x7C, 0x7D, 0x84, 0x85, 0x8C, 0x8D,
+		0x94, 0x95, 0x9C, 0x9D, 0xA4, 0xA5, 0xAC, 0xAD,
+		0xB4, 0xB5, 0xBC, 0xBD, 0xC4, 0xC5, 0xCC, 0xCD,
+		0xD4, 0xD5, 0xDC, 0xDD, 0xE4, 0xE5, 0xEC, 0xED,
+		0xF4, 0xF5, 0xFC, 0xFD,
+	};
+	static const u8 snum_init_46[] = {
 		0x04, 0x05, 0x0C, 0x0D, 0x14, 0x15, 0x1C, 0x1D,
 		0x24, 0x25, 0x2C, 0x2D, 0x34, 0x35, 0x88, 0x89,
 		0x98, 0x99, 0xA8, 0xA9, 0xB8, 0xB9, 0xC8, 0xC9,
@@ -274,9 +286,15 @@ static void qe_snums_init(void)
 		0x28, 0x29, 0x38, 0x39, 0x48, 0x49, 0x58, 0x59,
 		0x68, 0x69, 0x78, 0x79, 0x80, 0x81,
 	};
+	static const u8 *snum_init;
 
 	qe_num_of_snum = qe_get_num_of_snums();
 
+	if (qe_num_of_snum == 76)
+		snum_init = snum_init_76;
+	else
+		snum_init = snum_init_46;
+
 	for (i = 0; i < qe_num_of_snum; i++) {
 		snums[i].num = snum_init[i];
 		snums[i].state = QE_SNUM_STATE_FREE;
diff --git a/arch/powerpc/sysdev/scom.c b/arch/powerpc/sysdev/scom.c
index 49a3ece1c6b..702256a1ca1 100644
--- a/arch/powerpc/sysdev/scom.c
+++ b/arch/powerpc/sysdev/scom.c
@@ -22,6 +22,7 @@
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <asm/debug.h>
 #include <asm/prom.h>
 #include <asm/scom.h>