linux-kernel - [PATCH v3 02/11] PCI/MSI/s390: Remove superfluous check of MSI type

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Message-Id: <2e6f05522d2c7e477c4fa3071e0915f9999615ad.1385399393.git.agordeev@redhat.com>
Date:	Tue, 26 Nov 2013 10:09:51 +0100
From:	Alexander Gordeev <agordeev@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Alexander Gordeev <agordeev@...hat.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Michael Ellerman <michael@...erman.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Tejun Heo <tj@...nel.org>,
	Ben Hutchings <bhutchings@...arflare.com>,
	David Laight <David.Laight@...LAB.COM>,
	Mark Lord <kernel@...rt.ca>, "H. Peter Anvin" <hpa@...or.com>,
	linux-pci@...r.kernel.org
Subject: [PATCH v3 02/11] PCI/MSI/s390: Remove superfluous check of MSI type

arch_setup_msi_irqs() hook can only be called from the generic
MSI code which ensures correct MSI type parameter.

Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
Acked-by: Martin Schwidefsky <schwidefsky@...ibm.com>
---
 arch/s390/pci/pci.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index c79c6e4..61a3c2c 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -425,8 +425,6 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 	int rc;
 
 	pr_debug("%s: requesting %d MSI-X interrupts...", __func__, nvec);
-	if (type != PCI_CAP_ID_MSIX && type != PCI_CAP_ID_MSI)
-		return -EINVAL;
 	if (type == PCI_CAP_ID_MSI && nvec > 1)
 		return 1;
 	msi_vecs = min(nvec, ZPCI_MSI_VEC_MAX);
-- 
1.7.7.6

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