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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, Joerg Roedel <joro@8bytes.org>,
Will Deacon <will@kernel.org>, linux-pci@vger.kernel.org,
Bjorn Helgaas <bhelgaas@google.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Marc Zyngier <maz@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jason Gunthorpe <jgg@mellanox.com>,
Dave Jiang <dave.jiang@intel.com>,
Alex Williamson <alex.williamson@redhat.com>,
Kevin Tian <kevin.tian@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Logan Gunthorpe <logang@deltatee.com>,
Ashok Raj <ashok.raj@intel.com>, Jon Mason <jdmason@kudzu.us>,
Allen Hubbe <allenbh@gmail.com>,
"Ahmed S. Darwish" <darwi@linutronix.de>
Subject: [patch V2 18/21] platform-msi: Switch to the domain id aware MSI
interfaces
References: <20221121083210.309161925@linutronix.de>
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Date: Mon, 21 Nov 2022 15:36:40 +0100 (CET)
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| Series |
genirq, PCI/MSI: Support for per device MSI and PCI/IMS - Part 2 API rework
|
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Commit Message
Thomas Gleixner
Nov. 21, 2022, 2:36 p.m. UTC
From: Ahmed S. Darwish <darwi@linutronix.de> Switch to the new domain id aware interfaces to phase out the previous ones. Use the range interface for allocation as the MSI descriptors are allocate by the MSI core and therefore a precise range has to be given. On free just tear down all MSI interrupts for simplicity. No functional change. Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- drivers/base/platform-msi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/base/platform-msi.c +++ b/drivers/base/platform-msi.c @@ -213,7 +213,7 @@ int platform_msi_domain_alloc_irqs(struc if (err) return err; - err = msi_domain_alloc_irqs(dev->msi.domain, dev, nvec); + err = msi_domain_alloc_irqs_range(dev, MSI_DEFAULT_DOMAIN, 0, nvec - 1); if (err) platform_msi_free_priv_data(dev); @@ -227,7 +227,7 @@ EXPORT_SYMBOL_GPL(platform_msi_domain_al */ void platform_msi_domain_free_irqs(struct device *dev) { - msi_domain_free_irqs(dev->msi.domain, dev); + msi_domain_free_irqs_all(dev, MSI_DEFAULT_DOMAIN); platform_msi_free_priv_data(dev); } EXPORT_SYMBOL_GPL(platform_msi_domain_free_irqs);