Commit 1faf7f25 authored by Thomas Bogendoerfer's avatar Thomas Bogendoerfer Committed by Ralf Baechle

[MIPS] IP32: Fix unexpected irq 71

It's possible that the crime interrupt handler is called without
pending interrupts (probably a hardware issue). To avoid irritating
"unexpected irq 71" messages, we now just ignore the spurious crime
interrupts.
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent c461a973
......@@ -425,6 +425,11 @@ static void ip32_irq0(void)
BUILD_BUG_ON(MACEISA_SERIAL2_RDMAOR_IRQ - MACEISA_AUDIO_SW_IRQ != 31);
crime_int = crime->istat & crime_mask;
/* crime sometime delivers spurious interrupts, ignore them */
if (unlikely(crime_int == 0))
return;
irq = MACE_VID_IN1_IRQ + __ffs(crime_int);
if (crime_int & CRIME_MACEISA_INT_MASK) {
......
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