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Date: Sat, 30 May 2020 07:46:39 -0000 From: "tip-bot2 for Wesley W. Terpstra" <tip-bot2@...utronix.de> To: linux-tip-commits@...r.kernel.org Cc: Atish Patra <atish.patra@....com>, "Wesley W. Terpstra" <wesley@...ive.com>, Marc Zyngier <maz@...nel.org>, Palmer Dabbelt <palmerdabbelt@...gle.com>, x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org> Subject: [tip: irq/core] irqchip/sifive-plic: Remove incorrect requirement about number of irq contexts The following commit has been merged into the irq/core branch of tip: Commit-ID: 82f2202ddc97490994fad0dbfec04a014fa5163d Gitweb: https://git.kernel.org/tip/82f2202ddc97490994fad0dbfec04a014fa5163d Author: Wesley W. Terpstra <wesley@...ive.com> AuthorDate: Tue, 12 May 2020 10:26:36 -07:00 Committer: Marc Zyngier <maz@...nel.org> CommitterDate: Mon, 18 May 2020 10:28:30 +01:00 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: Atish Patra <atish.patra@....com> Signed-off-by: "Wesley W. Terpstra" <wesley@...ive.com> Signed-off-by: Marc Zyngier <maz@...nel.org> Reviewed-by: Palmer Dabbelt <palmerdabbelt@...gle.com> Acked-by: Palmer Dabbelt <palmerdabbelt@...gle.com> Link: https://lore.kernel.org/r/20200512172636.96299-1-atish.patra@wdc.com [Atish: Modified the commit text] --- drivers/irqchip/irq-sifive-plic.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c index d0a71fe..822e074 100644 --- a/drivers/irqchip/irq-sifive-plic.c +++ b/drivers/irqchip/irq-sifive-plic.c @@ -301,8 +301,6 @@ static int __init plic_init(struct device_node *node, nr_contexts = of_irq_count(node); if (WARN_ON(!nr_contexts)) goto out_iounmap; - if (WARN_ON(nr_contexts < num_possible_cpus())) - goto out_iounmap; error = -ENOMEM; priv->irqdomain = irq_domain_add_linear(node, nr_irqs + 1,
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