[PATCH v2 22/32] powerpc/pci: Drop XIVE restriction on MSI domains

Cédric Le Goater clg at kaod.org
Thu Jul 1 23:27:40 AEST 2021


The PowerNV and pSeries platforms now have support for both the XICS
and XIVE IRQ domains.

Signed-off-by: Cédric Le Goater <clg at kaod.org>
---
 arch/powerpc/platforms/powernv/pci-ioda.c | 4 +---
 arch/powerpc/platforms/pseries/msi.c      | 4 ----
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index b498876a976f..e2454439e574 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2332,9 +2332,7 @@ static void pnv_pci_init_ioda_msis(struct pnv_phb *phb)
 	pr_info("  Allocated bitmap for %d MSIs (base IRQ 0x%x)\n",
 		count, phb->msi_base);
 
-	/* Only supported by the XIVE driver */
-	if (xive_enabled())
-		pnv_msi_allocate_domains(phb->hose, count);
+	pnv_msi_allocate_domains(phb->hose, count);
 }
 
 static void pnv_ioda_setup_pe_res(struct pnv_ioda_pe *pe,
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index e2127a3f7ebd..e196cc1b8540 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -720,10 +720,6 @@ int pseries_msi_allocate_domains(struct pci_controller *phb)
 {
 	int count;
 
-	/* Only supported by the XIVE driver */
-	if (!xive_enabled())
-		return -ENODEV;
-
 	if (!__find_pe_total_msi(phb->dn, &count)) {
 		pr_err("PCI: failed to find MSIs for bridge %pOF (domain %d)\n",
 		       phb->dn, phb->global_number);
-- 
2.31.1



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