MIPS: Replace setup_irq() by request_irq()

request_irq() is preferred over setup_irq(). Invocations of setup_irq()
occur after memory allocators are ready.

Per tglx[1], setup_irq() existed in olden days when allocators were not
ready by the time early interrupts were initialized.

Hence replace setup_irq() by request_irq().

remove_irq() has been replaced by free_irq() as well.

There were build error's during previous version, couple of which was
reported by kbuild test robot <lkp@intel.com> of which one was reported
by Thomas Bogendoerfer <tsbogend@alpha.franken.de> as well. There were a
few more issues including build errors, those also have been fixed.

[1] https://lkml.kernel.org/r/alpine.DEB.2.20.1710191609480.1971@nanos

Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

1 files changed, 6 insertions, 12 deletions

diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index a6a0ff7f5aed..1bbd5bfb5458 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -111,16 +111,6 @@ static inline void flush_mace_bus(void)
 extern irqreturn_t crime_memerr_intr(int irq, void *dev_id);
 extern irqreturn_t crime_cpuerr_intr(int irq, void *dev_id);
 
-static struct irqaction memerr_irq = {
-	.handler = crime_memerr_intr,
-	.name = "CRIME memory error",
-};
-
-static struct irqaction cpuerr_irq = {
-	.handler = crime_cpuerr_intr,
-	.name = "CRIME CPU error",
-};
-
 /*
  * This is for pure CRIME interrupts - ie not MACE.  The advantage?
  * We get to split the register in half and do faster lookups.
@@ -497,8 +487,12 @@ void __init arch_init_irq(void)
 			break;
 		}
 	}
-	setup_irq(CRIME_MEMERR_IRQ, &memerr_irq);
-	setup_irq(CRIME_CPUERR_IRQ, &cpuerr_irq);
+	if (request_irq(CRIME_MEMERR_IRQ, crime_memerr_intr, 0,
+			"CRIME memory error", NULL))
+		pr_err("Failed to register CRIME memory error interrupt\n");
+	if (request_irq(CRIME_CPUERR_IRQ, crime_cpuerr_intr, 0,
+			"CRIME CPU error", NULL))
+		pr_err("Failed to register CRIME CPU error interrupt\n");
 
 #define ALLINTS (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5)
 	change_c0_status(ST0_IM, ALLINTS);