Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (408 commits)
  [POWERPC] Add memchr() to the bootwrapper
  [POWERPC] Implement logging of unhandled signals
  [POWERPC] Add legacy serial support for OPB with flattened device tree
  [POWERPC] Use 1TB segments
  [POWERPC] XilinxFB: Allow fixed framebuffer base address
  [POWERPC] XilinxFB: Add support for custom screen resolution
  [POWERPC] XilinxFB: Use pdata to pass around framebuffer parameters
  [POWERPC] PCI: Add 64-bit physical address support to setup_indirect_pci
  [POWERPC] 4xx: Kilauea defconfig file
  [POWERPC] 4xx: Kilauea DTS
  [POWERPC] 4xx: Add AMCC Kilauea eval board support to platforms/40x
  [POWERPC] 4xx: Add AMCC 405EX support to cputable.c
  [POWERPC] Adjust TASK_SIZE on ppc32 systems to 3GB that are capable
  [POWERPC] Use PAGE_OFFSET to tell if an address is user/kernel in SW TLB handlers
  [POWERPC] 85xx: Enable FP emulation in MPC8560 ADS defconfig
  [POWERPC] 85xx: Killed <asm/mpc85xx.h>
  [POWERPC] 85xx: Add cpm nodes for 8541/8555 CDS
  [POWERPC] 85xx: Convert mpc8560ads to the new CPM binding.
  [POWERPC] mpc8272ads: Remove muram from the CPM reg property.
  [POWERPC] Make clockevents work on PPC601 processors
  ...

Fixed up conflict in Documentation/powerpc/booting-without-of.txt manually.

1 files changed, 9 insertions, 29 deletions

diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index 4d1dcb45963..e1c0fd6dbc1 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -245,10 +245,8 @@ static struct irq_chip qe_ic_irq_chip = {
 
 static int qe_ic_host_match(struct irq_host *h, struct device_node *node)
 {
-	struct qe_ic *qe_ic = h->host_data;
-
 	/* Exact match, unless qe_ic node is NULL */
-	return qe_ic->of_node == NULL || qe_ic->of_node == node;
+	return h->of_node == NULL || h->of_node == node;
 }
 
 static int qe_ic_host_map(struct irq_host *h, unsigned int virq,
@@ -323,25 +321,9 @@ unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
 	return irq_linear_revmap(qe_ic->irqhost, irq);
 }
 
-void qe_ic_cascade_low(unsigned int irq, struct irq_desc *desc)
-{
-	struct qe_ic *qe_ic = desc->handler_data;
-	unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
-
-	if (cascade_irq != NO_IRQ)
-		generic_handle_irq(cascade_irq);
-}
-
-void qe_ic_cascade_high(unsigned int irq, struct irq_desc *desc)
-{
-	struct qe_ic *qe_ic = desc->handler_data;
-	unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
-
-	if (cascade_irq != NO_IRQ)
-		generic_handle_irq(cascade_irq);
-}
-
-void __init qe_ic_init(struct device_node *node, unsigned int flags)
+void __init qe_ic_init(struct device_node *node, unsigned int flags,
+		void (*low_handler)(unsigned int irq, struct irq_desc *desc),
+		void (*high_handler)(unsigned int irq, struct irq_desc *desc))
 {
 	struct qe_ic *qe_ic;
 	struct resource res;
@@ -352,9 +334,8 @@ void __init qe_ic_init(struct device_node *node, unsigned int flags)
 		return;
 
 	memset(qe_ic, 0, sizeof(struct qe_ic));
-	qe_ic->of_node = of_node_get(node);
 
-	qe_ic->irqhost = irq_alloc_host(IRQ_HOST_MAP_LINEAR,
+	qe_ic->irqhost = irq_alloc_host(of_node_get(node), IRQ_HOST_MAP_LINEAR,
 					NR_QE_IC_INTS, &qe_ic_host_ops, 0);
 	if (qe_ic->irqhost == NULL) {
 		of_node_put(node);
@@ -402,14 +383,13 @@ void __init qe_ic_init(struct device_node *node, unsigned int flags)
 	qe_ic_write(qe_ic->regs, QEIC_CICR, temp);
 
 	set_irq_data(qe_ic->virq_low, qe_ic);
-	set_irq_chained_handler(qe_ic->virq_low, qe_ic_cascade_low);
+	set_irq_chained_handler(qe_ic->virq_low, low_handler);
 
-	if (qe_ic->virq_high != NO_IRQ) {
+	if (qe_ic->virq_high != NO_IRQ &&
+			qe_ic->virq_high != qe_ic->virq_low) {
 		set_irq_data(qe_ic->virq_high, qe_ic);
-		set_irq_chained_handler(qe_ic->virq_high, qe_ic_cascade_high);
+		set_irq_chained_handler(qe_ic->virq_high, high_handler);
 	}
-
-	printk("QEIC (%d IRQ sources) at %p\n", NR_QE_IC_INTS, qe_ic->regs);
 }
 
 void qe_ic_set_highest_priority(unsigned int virq, int high)