linux-kernel - [patch V3 05/35] powerpc/cell/axon

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Message-ID: <20211210221813.493922179@linutronix.de>
Date:   Fri, 10 Dec 2021 23:18:51 +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>,
        Arnd Bergmann <arnd@...db.de>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        linuxppc-dev@...ts.ozlabs.org, Juergen Gross <jgross@...e.com>,
        xen-devel@...ts.xenproject.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Stuart Yoder <stuyoder@...il.com>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Vinod Koul <vkoul@...nel.org>, dmaengine@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        iommu@...ts.linux-foundation.org,
        Jassi Brar <jassisinghbrar@...il.com>,
        Peter Ujfalusi <peter.ujfalusi@...il.com>,
        Sinan Kaya <okaya@...nel.org>
Subject: [patch V3 05/35] powerpc/cell/axon_msi: Use PCI device property

From: Thomas Gleixner <tglx@...utronix.de>

instead of fiddling with MSI descriptors.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: linuxppc-dev@...ts.ozlabs.org
---
V3: Use pci_dev property - Jason
V2: Invoke the function with the correct number of arguments - Andy
---
 arch/powerpc/platforms/cell/axon_msi.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -199,7 +199,6 @@ static struct axon_msic *find_msi_transl
 static int setup_msi_msg_address(struct pci_dev *dev, struct msi_msg *msg)
 {
 	struct device_node *dn;
-	struct msi_desc *entry;
 	int len;
 	const u32 *prop;
 
@@ -209,10 +208,8 @@ static int setup_msi_msg_address(struct
 		return -ENODEV;
 	}
 
-	entry = first_pci_msi_entry(dev);
-
 	for (; dn; dn = of_get_next_parent(dn)) {
-		if (entry->pci.msi_attrib.is_64) {
+		if (!dev->no_64bit_msi) {
 			prop = of_get_property(dn, "msi-address-64", &len);
 			if (prop)
 				break;