diff options
| author | Lubomir Rintel <lkundrak@v3.sk> | 2019-08-22 12:26:32 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2019-08-30 17:23:30 +0300 |
| commit | 2178add02238f8352f5b3294a79f4763183aade6 (patch) | |
| tree | 3c60249daabfd4857a26585c72e89767d518eb43 /drivers/irqchip/irq-mmp.c | |
| parent | 9e8e8912b05f276dd02d39cb596dc3cf03718377 (diff) | |
| download | linux-2178add02238f8352f5b3294a79f4763183aade6.tar.xz | |
irqchip/mmp: Coexist with GIC root IRQ controller
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
Diffstat (limited to 'drivers/irqchip/irq-mmp.c')
| -rw-r--r-- | drivers/irqchip/irq-mmp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c index da290d8971e7..4a74ac7b7c42 100644 --- a/drivers/irqchip/irq-mmp.c +++ b/drivers/irqchip/irq-mmp.c @@ -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; } |