From: tglx@linutronix.de (Thomas Gleixner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V10 2/8] ACPI: Add new IORT functions to support MSI domain handling
Date: Tue, 6 Sep 2016 12:20:09 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1609061219230.5647@nanos> (raw)
In-Reply-To: <1473152938-17388-3-git-send-email-tn@semihalf.com>
On Tue, 6 Sep 2016, Tomasz Nowicki wrote:
> +/**
> + * iort_get_device_domain() - Find MSI domain related to a device
> + * @dev: The device.
> + * @req_id: Requester ID for the device.
> + *
> + * Returns: the MSI domain for this device, NULL otherwise
> + */
> +struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id)
> +{
> + static struct fwnode_handle *handle;
static ??????
> + int its_id;
> +
> + if (iort_dev_find_its_id(dev, req_id, 0, &its_id))
> + return NULL;
> +
> + handle = iort_find_domain_token(its_id);
You reevaluate that on every call.
Thanks,
tglx
next prev parent reply other threads:[~2016-09-06 10:20 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-06 9:08 [PATCH V10 0/8] Introduce ACPI world to ITS irqchip Tomasz Nowicki
2016-09-06 9:08 ` [PATCH V10 1/8] ACPI: I/O Remapping Table (IORT) initial support Tomasz Nowicki
2016-09-07 11:56 ` [UPDATE PATCH " Tomasz Nowicki
2016-09-08 13:59 ` Lorenzo Pieralisi
2016-09-09 9:20 ` Lorenzo Pieralisi
2016-09-12 12:37 ` Tomasz Nowicki
2016-09-12 13:04 ` Marc Zyngier
2016-09-12 13:43 ` Rafael J. Wysocki
2016-09-09 3:09 ` [PATCH " Dennis Chen
2016-09-09 8:45 ` Lorenzo Pieralisi
2016-09-06 9:08 ` [PATCH V10 2/8] ACPI: Add new IORT functions to support MSI domain handling Tomasz Nowicki
2016-09-06 10:20 ` Thomas Gleixner [this message]
2016-09-06 10:27 ` Tomasz Nowicki
2016-09-07 10:35 ` Tomasz Nowicki
2016-09-07 11:32 ` Rafael J. Wysocki
2016-09-07 11:58 ` [UPDATE PATCH " Tomasz Nowicki
2016-09-07 13:01 ` Tomasz Nowicki
2016-09-06 9:08 ` [PATCH V10 3/8] PCI/MSI: Setup MSI domain on a per-device basis using IORT ACPI table Tomasz Nowicki
2016-09-06 9:08 ` [PATCH V10 4/8] irqchip/gicv3-its: Cleanup for ITS domain initialization Tomasz Nowicki
2016-09-06 9:08 ` [PATCH V10 5/8] irqchip/gicv3-its: Refactor ITS DT init code to prepare for ACPI Tomasz Nowicki
2016-09-06 9:08 ` [PATCH V10 6/8] irqchip/gicv3-its: Probe ITS in the ACPI way Tomasz Nowicki
2016-09-06 9:08 ` [PATCH V10 7/8] irqchip/gicv3-its: Factor out PCI-MSI part that might be reused for ACPI Tomasz Nowicki
2016-09-06 9:50 ` Thomas Gleixner
2016-09-06 10:22 ` Tomasz Nowicki
2016-09-06 11:29 ` Rafael J. Wysocki
2016-09-07 7:49 ` Tomasz Nowicki
2016-09-06 9:08 ` [PATCH V10 8/8] irqchip/gicv3-its: Use MADT ITS subtable to do PCI/MSI domain initialization Tomasz Nowicki
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