From: tglx@linutronix.de (Thomas Gleixner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] genirq: Allow the irqchip state of an IRQ to be save/restored
Date: Sat, 25 Oct 2014 21:35:48 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.11.1410252131110.5308@nanos> (raw)
In-Reply-To: <1414232097-4328-2-git-send-email-marc.zyngier@arm.com>
On Sat, 25 Oct 2014, Marc Zyngier wrote:
> +int irq_get_irqchip_state(unsigned int irq, int state)
> +{
> + struct irq_desc *desc;
> + struct irq_data *data;
> + struct irq_chip *chip;
> + int val;
> +
> + desc = irq_to_desc(irq);
> + if (!desc)
> + return -EINVAL;
> +
> + data = irq_desc_get_irq_data(desc);
> +
> + chip = irq_desc_get_chip(desc);
> + if (!chip->irq_get_irqchip_state)
> + return -EINVAL;
> +
> + chip_bus_lock(desc);
> + val = chip->irq_get_irqchip_state(data, state);
Hmm. What's the irq_get_irqchip_state() callback supposed to return?
Thanks,
tglx
next prev parent reply other threads:[~2014-10-25 19:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-25 10:14 [PATCH 0/3] genirq: Saving/restoring the irqchip state of an irq line Marc Zyngier
2014-10-25 10:14 ` [PATCH 1/3] genirq: Allow the irqchip state of an IRQ to be save/restored Marc Zyngier
2014-10-25 19:35 ` Thomas Gleixner [this message]
2014-10-25 19:42 ` Thomas Gleixner
2014-10-27 11:47 ` Marc Zyngier
2014-11-19 19:10 ` Bjorn Andersson
2014-10-29 10:12 ` Linus Walleij
2014-10-29 11:17 ` Marc Zyngier
2014-10-31 9:57 ` Linus Walleij
2014-10-25 10:14 ` [PATCH 2/3] irqchip: GIC: Add support for irq_{get, set}_irqchip_state Marc Zyngier
2014-10-29 10:14 ` Linus Walleij
2014-10-29 10:22 ` Marc Zyngier
2014-10-25 10:14 ` [PATCH 3/3] irqchip: GICv3: " Marc Zyngier
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