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irqchip/mmp: Coexist with GIC root IRQ controller

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On MMP3, the GIC can be set as a root IRQ interrupt controller. If the
device tree indicated that GIC is enabled, avoid hooking up
mmp2_handle_irq().

The interrupt muxes are still being used.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20190822092643.593488-10-lkundrak@v3.sk
This commit is contained in:
Lubomir Rintel 2019-08-22 11:26:32 +02:00 committed by Marc Zyngier
parent 9e8e8912b0
commit 2178add022
1 changed files with 6 additions and 1 deletions
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7
drivers/irqchip/irq-mmp.c
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@ -468,7 +468,12 @@ static int __init mmp3_of_init(struct device_node *node,
icu_data[0].conf_disable = mmp3_conf.conf_disable;
icu_data[0].conf_mask = mmp3_conf.conf_mask;
icu_data[0].conf2_mask = mmp3_conf.conf2_mask;
set_handle_irq(mmp2_handle_irq);
if (!parent) {
/* This is the main interrupt controller. */
set_handle_irq(mmp2_handle_irq);
}
max_icu_nr = 1;
return 0;
}