Messages in this thread Patch in this message | | | From | Grzegorz Jaszczyk <> | Subject | [PATCH 1/2] irqchip: armada-370-xp: fix MSI interrupt handling | Date | Thu, 25 Sep 2014 13:17:18 +0200 |
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The MSI interrupts use the 16 high doorbells, which are notified by using IRQ1 of the main interrupt controller.
The MSI interrupts were handled correctly for Armada-XP and Armada-370 but not for Armada-375 and Armada-38x, which use chained handler for the MPIC.
This commit fixes that by checking proper interrupt number in chained handler for the MPIC.
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com> Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com> --- drivers/irqchip/irq-armada-370-xp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 574aba0..91424c4 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -417,9 +417,9 @@ static void armada_370_xp_mpic_handle_cascade_irq(unsigned int irq, irqmap = readl_relaxed(per_cpu_int_base + ARMADA_375_PPI_CAUSE); - if (irqmap & BIT(0)) { + if (irqmap & BIT(1)) { armada_370_xp_handle_msi_irq(NULL, true); - irqmap &= ~BIT(0); + irqmap &= ~BIT(1); } for_each_set_bit(irqn, &irqmap, BITS_PER_LONG) { -- 1.8.3.1
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