linux-kernel - [PATCH] ahci, msix: Fix build error for !PCI

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Date:	Wed, 17 Jun 2015 10:48:52 +0200
From:	Robert Richter <robert.richter@...iumnetworks.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Robert Richter <rric@...nel.org>,
	Sunil Goutham <sgoutham@...ium.com>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	<linux-ide@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	kbuild test robot <fengguang.wu@...el.com>,
	<kbuild-all@...org>
Subject: [PATCH] ahci, msix: Fix build error for !PCI_MSI

>From fd984f3be22f27b8d3c4cf577dbbf0a39792ea89 Mon Sep 17 00:00:00 2001
From: Robert Richter <rrichter@...ium.com>
Date: Wed, 17 Jun 2015 10:33:22 +0200
Subject: [PATCH] ahci, msix: Fix build error for !PCI_MSI
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixing a build error if PCI_MSI is unset:

 drivers/ata/ahci.c: In function ‘msix_get_desc’:
 drivers/ata/ahci.c:1210:2: error: ‘struct pci_dev’ has no member named ‘msi_list’

Catched by Fengguang's build bot.

Reported-by: kbuild test robot <fengguang.wu@...el.com>
Signed-off-by: Robert Richter <rrichter@...ium.com>
---
 drivers/ata/ahci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index bdedaa4f9d7b..99cc9526ae95 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1205,13 +1205,14 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host)
 
 static struct msi_desc *msix_get_desc(struct pci_dev *dev, u16 entry)
 {
+#ifdef CONFIG_PCI_MSI
 	struct msi_desc *desc;
 
 	list_for_each_entry(desc, &dev->msi_list, list) {
 		if (desc->msi_attrib.entry_nr == entry)
 			return desc;
 	}
-
+#endif
 	return NULL;
 }
 
-- 
2.1.1

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