linux-kernel - [patch 3/6] scsi, fnic: require DMA support for Cisco FNIC

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Date:	Tue, 24 May 2011 16:53:50 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	"James E.J. Bottomley" <James.Bottomley@...e.de>
cc:	Pekka Enberg <penberg@...nel.org>,
	Christoph Lameter <cl@...ux.com>, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [patch 3/6] scsi, fnic: require DMA support for Cisco FNIC

The Cisco FNIC driver requires creating a SLAB_CACHE_DMA cache, which is
not possible if CONFIG_ZONE_DMA is disasbled.  Avoid compiling it without
DMA support.

Signed-off-by: David Rientjes <rientjes@...gle.com>
---
 drivers/scsi/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -688,7 +688,7 @@ config FCOE
 
 config FCOE_FNIC
 	tristate "Cisco FNIC Driver"
-	depends on PCI && X86
+	depends on PCI && X86 && ZONE_DMA
 	select LIBFCOE
 	help
 	  This is support for the Cisco PCI-Express FCoE HBA.
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