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, 67 insertions, 1 deletions

diff --git a/include/asm-powerpc/qe_ic.h b/include/asm-powerpc/qe_ic.h
index e386fb7e44b0..a779b2c9eaf1 100644
--- a/include/asm-powerpc/qe_ic.h
+++ b/include/asm-powerpc/qe_ic.h
@@ -56,9 +56,75 @@ enum qe_ic_grp_id {
         QE_IC_GRP_RISCB         /* QE interrupt controller RISC group B */
 };
 
-void qe_ic_init(struct device_node *node, unsigned int flags);
+void 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));
 void qe_ic_set_highest_priority(unsigned int virq, int high);
 int qe_ic_set_priority(unsigned int virq, unsigned int priority);
 int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
 
+struct qe_ic;
+unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic);
+unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic);
+
+static inline void qe_ic_cascade_low_ipic(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);
+}
+
+static inline void qe_ic_cascade_high_ipic(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);
+}
+
+static inline void qe_ic_cascade_low_mpic(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);
+
+        desc->chip->eoi(irq);
+}
+
+static inline void qe_ic_cascade_high_mpic(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);
+
+        desc->chip->eoi(irq);
+}
+
+static inline void qe_ic_cascade_muxed_mpic(unsigned int irq,
+                                            struct irq_desc *desc)
+{
+        struct qe_ic *qe_ic = desc->handler_data;
+        unsigned int cascade_irq;
+
+        cascade_irq = qe_ic_get_high_irq(qe_ic);
+        if (cascade_irq == NO_IRQ)
+                cascade_irq = qe_ic_get_low_irq(qe_ic);
+
+        if (cascade_irq != NO_IRQ)
+                generic_handle_irq(cascade_irq);
+
+        desc->chip->eoi(irq);
+}
+
 #endif /* _ASM_POWERPC_QE_IC_H */