Commit 82f2202d authored by Wesley W. Terpstra's avatar Wesley W. Terpstra Committed by Marc Zyngier

irqchip/sifive-plic: Remove incorrect requirement about number of irq contexts

A PLIC may not be connected to all the cores. In that case, nr_contexts
may be less than num_possible_cpus. This requirement is only valid a single
PLIC is the only interrupt controller for the whole system.
Signed-off-by: default avatarAtish Patra <atish.patra@wdc.com>
Signed-off-by: default avatar"Wesley W. Terpstra" <wesley@sifive.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Reviewed-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
Acked-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
Link: https://lore.kernel.org/r/20200512172636.96299-1-atish.patra@wdc.com

[Atish: Modified the commit text]
parent 8a94c1ab
...@@ -301,8 +301,6 @@ static int __init plic_init(struct device_node *node, ...@@ -301,8 +301,6 @@ static int __init plic_init(struct device_node *node,
nr_contexts = of_irq_count(node); nr_contexts = of_irq_count(node);
if (WARN_ON(!nr_contexts)) if (WARN_ON(!nr_contexts))
goto out_iounmap; goto out_iounmap;
if (WARN_ON(nr_contexts < num_possible_cpus()))
goto out_iounmap;
error = -ENOMEM; error = -ENOMEM;
priv->irqdomain = irq_domain_add_linear(node, nr_irqs + 1, priv->irqdomain = irq_domain_add_linear(node, nr_irqs + 1,
......
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