linux-kernel - [PATCH RFC v2 17/29] megaraid: Make use of pcim_enable

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Message-Id: <857b0c2709f6f6ecf0ab1090fabba8c14c4b2d70.1382103786.git.agordeev@redhat.com>
Date:	Fri, 18 Oct 2013 19:12:17 +0200
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 RFC v2 17/29] megaraid: Make use of pcim_enable_msix() interface

Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
---
 drivers/scsi/megaraid/megaraid_sas_base.c |   16 +++++-----------
 1 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 3020921..e54c2e7 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -3727,18 +3727,12 @@ static int megasas_init_fw(struct megasas_instance *instance)
 					     (unsigned int)num_online_cpus());
 		for (i = 0; i < instance->msix_vectors; i++)
 			instance->msixentry[i].entry = i;
-		i = pci_enable_msix(instance->pdev, instance->msixentry,
-				    instance->msix_vectors);
-		if (i >= 0) {
-			if (i) {
-				if (!pci_enable_msix(instance->pdev,
-						     instance->msixentry, i))
-					instance->msix_vectors = i;
-				else
-					instance->msix_vectors = 0;
-			}
-		} else
+		i = pcim_enable_msix(instance->pdev, instance->msixentry,
+				     instance->msix_vectors);
+		if (i < 0)
 			instance->msix_vectors = 0;
+		else
+			instance->msix_vectors = i;
 
 		dev_info(&instance->pdev->dev, "[scsi%d]: FW supports"
 			"<%d> MSIX vector,Online CPUs: <%d>,"
-- 
1.7.7.6

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