linux-kernel - [PATCH RFC v2 23/29] qlge: Make use of pcim_enable

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Message-Id: <84bd57a265673b51df874ad09222d48b341fc480.1382103786.git.agordeev@redhat.com>
Date:	Fri, 18 Oct 2013 19:12:23 +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 23/29] qlge: Make use of pcim_enable_msix() interface

Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
---
 drivers/net/ethernet/qlogic/qlge/qlge_main.c |   15 ++++-----------
 1 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index ac54cb0..b142902 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -3272,24 +3272,17 @@ static void ql_enable_msix(struct ql_adapter *qdev)
 		for (i = 0; i < qdev->intr_count; i++)
 			qdev->msi_x_entry[i].entry = i;
 
-		/* Loop to get our vectors.  We start with
-		 * what we want and settle for what we get.
-		 */
-		do {
-			err = pci_enable_msix(qdev->pdev,
-				qdev->msi_x_entry, qdev->intr_count);
-			if (err > 0)
-				qdev->intr_count = err;
-		} while (err > 0);
-
+		err = pcim_enable_msix(qdev->pdev,
+				       qdev->msi_x_entry, qdev->intr_count);
 		if (err < 0) {
 			kfree(qdev->msi_x_entry);
 			qdev->msi_x_entry = NULL;
 			netif_warn(qdev, ifup, qdev->ndev,
 				   "MSI-X Enable failed, trying MSI.\n");
 			qlge_irq_type = MSI_IRQ;
-		} else if (err == 0) {
+		} else {
 			set_bit(QL_MSIX_ENABLED, &qdev->flags);
+			qdev->intr_count = err;
 			netif_info(qdev, ifup, qdev->ndev,
 				   "MSI-X Enabled, got %d vectors.\n",
 				   qdev->intr_count);
-- 
1.7.7.6

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