4 files changed, 12 insertions, 6 deletions
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index 994dca7014db..ecef0fb0b66c 100644
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -77,20 +77,20 @@ void arc_init_IRQ(void)
 
 static void arcv2_irq_mask(struct irq_data *data)
 {
-	write_aux_reg(AUX_IRQ_SELECT, data->irq);
+	write_aux_reg(AUX_IRQ_SELECT, data->hwirq);
 	write_aux_reg(AUX_IRQ_ENABLE, 0);
 }
 
 static void arcv2_irq_unmask(struct irq_data *data)
 {
-	write_aux_reg(AUX_IRQ_SELECT, data->irq);
+	write_aux_reg(AUX_IRQ_SELECT, data->hwirq);
 	write_aux_reg(AUX_IRQ_ENABLE, 1);
 }
 
 void arcv2_irq_enable(struct irq_data *data)
 {
 	/* set default priority */
-	write_aux_reg(AUX_IRQ_SELECT, data->irq);
+	write_aux_reg(AUX_IRQ_SELECT, data->hwirq);
 	write_aux_reg(AUX_IRQ_PRIORITY, ARCV2_IRQ_DEF_PRIO);
 
 	/*
diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c
index ce9deb953ca9..8c1fd5c00782 100644
--- a/arch/arc/kernel/intc-compact.c
+++ b/arch/arc/kernel/intc-compact.c
@@ -57,7 +57,7 @@ static void arc_irq_mask(struct irq_data *data)
 	unsigned int ienb;
 
 	ienb = read_aux_reg(AUX_IENABLE);
-	ienb &= ~(1 << data->irq);
+	ienb &= ~(1 << data->hwirq);
 	write_aux_reg(AUX_IENABLE, ienb);
 }
 
@@ -66,7 +66,7 @@ static void arc_irq_unmask(struct irq_data *data)
 	unsigned int ienb;
 
 	ienb = read_aux_reg(AUX_IENABLE);
-	ienb |= (1 << data->irq);
+	ienb |= (1 << data->hwirq);
 	write_aux_reg(AUX_IENABLE, ienb);
 }
 
diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index 560c4afc2af4..9274f8ade8c7 100644
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -10,6 +10,7 @@
 
 #include <linux/smp.h>
 #include <linux/irq.h>
+#include <linux/irqchip/chained_irq.h>
 #include <linux/spinlock.h>
 #include <soc/arc/mcip.h>
 #include <asm/irqflags-arcv2.h>
@@ -221,10 +222,13 @@ static irq_hw_number_t idu_first_hwirq;
 static void idu_cascade_isr(struct irq_desc *desc)
 {
 	struct irq_domain *idu_domain = irq_desc_get_handler_data(desc);
+	struct irq_chip *core_chip = irq_desc_get_chip(desc);
 	irq_hw_number_t core_hwirq = irqd_to_hwirq(irq_desc_get_irq_data(desc));
 	irq_hw_number_t idu_hwirq = core_hwirq - idu_first_hwirq;
 
+	chained_irq_enter(core_chip, desc);
 	generic_handle_irq(irq_find_mapping(idu_domain, idu_hwirq));
+	chained_irq_exit(core_chip, desc);
 }
 
 static int idu_irq_map(struct irq_domain *d, unsigned int virq, irq_hw_number_t hwirq)
diff --git a/arch/arc/kernel/module.c b/arch/arc/kernel/module.c
index 42e964db2967..3d99a6091332 100644
--- a/arch/arc/kernel/module.c
+++ b/arch/arc/kernel/module.c
@@ -32,8 +32,8 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
 #ifdef CONFIG_ARC_DW2_UNWIND
 	mod->arch.unw_sec_idx = 0;
 	mod->arch.unw_info = NULL;
-	mod->arch.secstr = secstr;
 #endif
+	mod->arch.secstr = secstr;
 	return 0;
 }
 
@@ -113,8 +113,10 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
 
 	}
 
+#ifdef CONFIG_ARC_DW2_UNWIND
 	if (strcmp(module->arch.secstr+sechdrs[tgtsec].sh_name, ".eh_frame") == 0)
 		module->arch.unw_sec_idx = tgtsec;
+#endif
 
 	return 0;