OpenRISC fixes for 5.19-rc5

Fixups for OpenRISC found during recent testing:
  - An OpenRISC irqchip fix to stop acking level interrupts which was
    causing issues on SMP platforms.
  - A comment typo fix in our unwinder code.
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Merge tag 'for-linus' of https://github.com/openrisc/linux

Pull OpenRISC fixes from Stafford Horne:
 "Fixups for OpenRISC found during recent testing:

   - An OpenRISC irqchip fix to stop acking level interrupts which was
     causing issues on SMP platforms

   - A comment typo fix in our unwinder code"

* tag 'for-linus' of https://github.com/openrisc/linux:
  openrisc: unwinder: Fix grammar issue in comment
  irqchip: or1k-pic: Undefine mask_ack for level triggered hardware

arch/openrisc/kernel/unwinder.c

@@ -25,7 +25,7 @@ struct or1k_frameinfo {
 /*
  * Verify a frameinfo structure.  The return address should be a valid text
  * address.  The frame pointer may be null if its the last frame, otherwise
- * the frame pointer should point to a location in the stack after the the
+ * the frame pointer should point to a location in the stack after the
  * top of the next frame up.
  */
 static inline int or1k_frameinfo_valid(struct or1k_frameinfo *frameinfo)

drivers/irqchip/irq-or1k-pic.c

@@ -66,7 +66,6 @@ static struct or1k_pic_dev or1k_pic_level = {
 		.name = "or1k-PIC-level",
 		.irq_unmask = or1k_pic_unmask,
 		.irq_mask = or1k_pic_mask,
-		.irq_mask_ack = or1k_pic_mask_ack,
 	},
 	.handle = handle_level_irq,
 	.flags = IRQ_LEVEL | IRQ_NOPROBE,