From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Gregory Clement <gregory.clement@bootlin.com>,
Jason Cooper <jason@lakedaemon.net>,
Laurentiu Tudor <laurentiu.tudor@nxp.com>,
Thomas Gleixner <tglx@linutronix.de>,
Valentin Schneider <valentin.schneider@arm.com>
Subject: [PATCH 2/9] irqchip/git-v3-its: Implement irq_retrigger callback for device-triggered LPIs
Date: Mon, 24 Aug 2020 11:23:10 +0100 [thread overview]
Message-ID: <20200824102317.1038259-3-maz@kernel.org> (raw)
In-Reply-To: <20200824102317.1038259-1-maz@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
drivers/irqchip/irq-gic-v3-its.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 95f097448f97..2808545a963e 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1720,6 +1720,11 @@ static int its_irq_set_irqchip_state(struct irq_data *d,
return 0;
}
+static int its_irq_retrigger(struct irq_data *d)
+{
+ return !its_irq_set_irqchip_state(d, IRQCHIP_STATE_PENDING, true);
+}
+
/*
* Two favourable cases:
*
@@ -1971,6 +1976,7 @@ static struct irq_chip its_irq_chip = {
.irq_set_affinity = its_set_affinity,
.irq_compose_msi_msg = its_irq_compose_msi_msg,
.irq_set_irqchip_state = its_irq_set_irqchip_state,
+ .irq_retrigger = its_irq_retrigger,
.irq_set_vcpu_affinity = its_irq_set_vcpu_affinity,
};
--
2.27.0
next prev parent reply other threads:[~2020-08-24 10:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-24 10:23 [PATCH 0/9] irqchip/gic: generalize use of HW-based retriggering Marc Zyngier
2020-08-24 10:23 ` [PATCH 1/9] irqchip/gic-v2, v3: Implement irq_chip->irq_retrigger() Marc Zyngier
2020-08-24 10:23 ` Marc Zyngier [this message]
2020-08-24 10:23 ` [PATCH 3/9] PCI/MSI: Provide default retrigger callback Marc Zyngier
2020-08-25 19:44 ` Bjorn Helgaas
2020-08-24 10:23 ` [PATCH 4/9] platform-msi: " Marc Zyngier
2020-08-24 10:23 ` [PATCH 5/9] fsl-msi: " Marc Zyngier
2020-08-26 11:16 ` Valentin Schneider
2020-08-26 16:37 ` Marc Zyngier
2020-08-26 17:52 ` Marc Zyngier
2020-08-24 10:23 ` [PATCH 6/9] irqchip/mbigen: Use hierarchy retrigger helper Marc Zyngier
2020-08-24 10:23 ` [PATCH 7/9] irqchip/mvebu-icu: " Marc Zyngier
2020-08-24 10:23 ` [PATCH 8/9] irqchip/mvebu-sei: " Marc Zyngier
2020-08-24 10:23 ` [PATCH 9/9] irqchip/gic-v2, v3: Prevent SW resends entirely Marc Zyngier
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