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powerpc/xive: Fix xmon support on the PowerNV platform

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The PowerNV platform has multiple IRQ chips and the xmon command
dumping the state of the XIVE interrupt should only operate on the
XIVE IRQ chip.

Fixes: 5896163f7f ("powerpc/xmon: Improve output of XIVE interrupts")
Cc: [email protected] # v5.4+
Signed-off-by: Cédric Le Goater <[email protected]>
Reviewed-by: Greg Kurz <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
This commit is contained in:
Cédric Le Goater authored and Michael Ellerman committed 2020-03-27 00:19:05 +11:00
1 parent b1a504a650
commit 97ef275077
1 file changed
+4
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arch/powerpc/sysdev/xive/common.c
+4
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@@ -258,11 +258,15 @@ notrace void xmon_xive_do_dump(int cpu)
int xmon_xive_get_irq_config(u32 hw_irq, struct irq_data *d)
{
struct irq_chip *chip = irq_data_get_irq_chip(d);
int rc;
u32 target;
u8 prio;
u32 lirq;
if (!is_xive_irq(chip))
return -EINVAL;
rc = xive_ops->get_irq_config(hw_irq, &target, &prio, &lirq);
if (rc) {
xmon_printf("IRQ 0x%08x : no config rc=%d\n", hw_irq, rc);