1 files changed, 4 insertions, 20 deletions

diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c
index bbebcae72c02..ace700afbfdf 100644
--- a/arch/microblaze/kernel/irq.c
+++ b/arch/microblaze/kernel/irq.c
@@ -31,14 +31,13 @@ void __irq_entry do_IRQ(struct pt_regs *regs)
         trace_hardirqs_off();
 
         irq_enter();
-        irq = get_irq(regs);
+        irq = get_irq();
 next_irq:
         BUG_ON(!irq);
-        /* Substract 1 because of get_irq */
-        generic_handle_irq(irq + IRQ_OFFSET - NO_IRQ_OFFSET);
+        generic_handle_irq(irq);
 
-        irq = get_irq(regs);
-        if (irq) {
+        irq = get_irq();
+        if (irq != -1U) {
                 pr_debug("next irq: %d\n", irq);
                 ++concurrent_irq;
                 goto next_irq;
@@ -48,18 +47,3 @@ next_irq:
         set_irq_regs(old_regs);
         trace_hardirqs_on();
 }
-
-/* MS: There is no any advance mapping mechanism. We are using simple 32bit
-  intc without any cascades or any connection that's why mapping is 1:1 */
-unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq)
-{
-        return hwirq + IRQ_OFFSET;
-}
-EXPORT_SYMBOL_GPL(irq_create_mapping);
-
-unsigned int irq_create_of_mapping(struct device_node *controller,
-                                   const u32 *intspec, unsigned int intsize)
-{
-        return intspec[0] + IRQ_OFFSET;
-}
-EXPORT_SYMBOL_GPL(irq_create_of_mapping);