irqchip/jcore-aic: Kill use of irq_create_strict_mappings()

[ Upstream commit 5f8b938bd790cff6542c7fe3c1495c71f89fef1b ]

irq_create_strict_mappings() is a poor way to allow the use of
a linear IRQ domain as a legacy one. Let's be upfront about it.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210406093557.1073423-4-maz@kernel.org
Stable-dep-of: 4848229494a3 ("irqchip/jcore-aic: Fix missing allocation of IRQ descriptors")
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/irqchip/irq-jcore-aic.c b/drivers/irqchip/irq-jcore-aic.c
index 033bccb41455c46c32d5473fa46940c2770973e9..5f47d8ee4ae39e04964a461626b3138fadd11d18 100644 (file)
--- a/drivers/irqchip/irq-jcore-aic.c
+++ b/drivers/irqchip/irq-jcore-aic.c
@@ -100,11 +100,11 @@ static int __init aic_irq_of_init(struct device_node *node,
        jcore_aic.irq_unmask = noop;
        jcore_aic.name = "AIC";
 
-       domain = irq_domain_add_linear(node, dom_sz, &jcore_aic_irqdomain_ops,
+       domain = irq_domain_add_legacy(node, dom_sz - min_irq, min_irq, min_irq,
+                                      &jcore_aic_irqdomain_ops,
                                       &jcore_aic);
        if (!domain)
                return -ENOMEM;
-       irq_create_strict_mappings(domain, min_irq, min_irq, dom_sz - min_irq);
 
        return 0;
 }