From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 10 Dec 2021 22:18:51 +0000 (+0100)
Subject: powerpc/cell/axon_msi: Use PCI device property
X-Git-Tag: v6.1-rc5~2226^2~64
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d8a530578b166f3ec55d453b8b4b49599bd39884;p=platform%2Fkernel%2Flinux-starfive.git

powerpc/cell/axon_msi: Use PCI device property

instead of fiddling with MSI descriptors.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211210221813.493922179@linutronix.de
---

diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 79e2112..ac59aee 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -199,7 +199,6 @@ out_error:
 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 pci_dev *dev, struct msi_msg *msg)
 		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;