linux-kernel - [patch V2 06/36] soc: ti: ti_sci_inta_msi: Allocate MSI device data on first use

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Message-ID: <20211206210437.984321429@linutronix.de>
Date:   Mon,  6 Dec 2021 23:39:05 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Bjorn Helgaas <helgaas@...nel.org>, Marc Zygnier <maz@...nel.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Megha Dey <megha.dey@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, linux-pci@...r.kernel.org,
        Cedric Le Goater <clg@...d.org>,
        xen-devel@...ts.xenproject.org, Juergen Gross <jgross@...e.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Will Deacon <will@...nel.org>,
        iommu@...ts.linux-foundation.org, dmaengine@...r.kernel.org,
        Stuart Yoder <stuyoder@...il.com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Vinod Koul <vkoul@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Robin Murphy <robin.murphy@....com>,
        Sinan Kaya <okaya@...nel.org>
Subject: [patch V2 06/36] soc: ti: ti_sci_inta_msi: Allocate MSI device data
 on first use

Allocate the MSI device data on first invocation of the allocation function.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Cc: Nishanth Menon <nm@...com>
Cc: Tero Kristo <kristo@...nel.org>
Cc: Santosh Shilimkar <ssantosh@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org
---
 drivers/soc/ti/ti_sci_inta_msi.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/soc/ti/ti_sci_inta_msi.c
+++ b/drivers/soc/ti/ti_sci_inta_msi.c
@@ -120,6 +120,10 @@ int ti_sci_inta_msi_domain_alloc_irqs(st
 	if (pdev->id < 0)
 		return -ENODEV;
 
+	ret = msi_setup_device_data(dev);
+	if (ret)
+		return ret;
+
 	nvec = ti_sci_inta_msi_alloc_descs(dev, res);
 	if (nvec <= 0)
 		return nvec;