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powerpc/xics: Add debug logging to the set_irq_affinity handlers

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It really helps to know how the HW is configured when tweaking the IRQ
subsystem.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210701132750.1475580-20-clg@kaod.org
This commit is contained in:
Cédric Le Goater 2021-07-01 15:27:37 +02:00 committed by Michael Ellerman
parent 7d14f6c60b
commit 53b34e8db7
2 changed files with 4 additions and 1 deletions
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2
arch/powerpc/sysdev/xics/ics-opal.c
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@ -133,7 +133,7 @@ static int ics_opal_set_affinity(struct irq_data *d,
}
server = ics_opal_mangle_server(wanted_server);
pr_devel("ics-hal: set-affinity irq %d [hw 0x%x] server: 0x%x/0x%x\n",
pr_debug("ics-hal: set-affinity irq %d [hw 0x%x] server: 0x%x/0x%x\n",
d->irq, hw_irq, wanted_server, server);
rc = opal_set_xive(hw_irq, server, priority);

3
arch/powerpc/sysdev/xics/ics-rtas.c
View file

@ -133,6 +133,9 @@ static int ics_rtas_set_affinity(struct irq_data *d,
return -1;
}
pr_debug("%s: irq %d [hw 0x%x] server: 0x%x\n", __func__, d->irq,
hw_irq, irq_server);
status = rtas_call_reentrant(ibm_set_xive, 3, 1, NULL,
hw_irq, irq_server, xics_status[1]);