linux-kernel - [PATCH char-misc-next 8/8] misc: mic: add support for loading/unloading dma driver

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Date:	Tue, 27 May 2014 19:36:17 -0700
From:	Sudeep Dutt <sudeep.dutt@...el.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Dan Williams <dan.j.williams@...el.com>
Cc:	Siva Yerramreddy <yshivakrishna@...il.com>,
	Ashutosh Dixit <ashutosh.dixit@...el.com>,
	Nikhil Rao <nikhil.rao@...el.com>,
	Sudeep Dutt <sudeep.dutt@...el.com>,
	linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: [PATCH char-misc-next 8/8] misc: mic: add support for loading/unloading dma driver

From: Siva Yerramreddy <yshivakrishna@...il.com>

modprobe dma driver upon start and remove it upon unload.

Signed-off-by: Siva Yerramreddy <yshivakrishna@...il.com>
---
 Documentation/mic/mpssd/mpss | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/Documentation/mic/mpssd/mpss b/Documentation/mic/mpssd/mpss
index 3136c68..cacbdb0 100755
--- a/Documentation/mic/mpssd/mpss
+++ b/Documentation/mic/mpssd/mpss
@@ -48,18 +48,18 @@ start()
 	fi
 
 	echo -e $"Starting MPSS Stack"
-	echo -e $"Loading MIC_HOST Module"
+	echo -e $"Loading MIC_X100_DMA & MIC_HOST Modules"
 
-	# Ensure the driver is loaded
-	if [ ! -d "$sysfs" ]; then
-		modprobe mic_host
+	for f in "mic_host" "mic_x100_dma"
+	do
+		modprobe $f
 		RETVAL=$?
 		if [ $RETVAL -ne 0 ]; then
 			failure
 			echo
 			return $RETVAL
 		fi
-	fi
+	done
 
 	# Start the daemon
 	echo -n $"Starting MPSSD "
@@ -170,8 +170,8 @@ unload()
 	stop
 
 	sleep 5
-	echo -n $"Removing MIC_HOST Module: "
-	modprobe -r mic_host
+	echo -n $"Removing MIC_HOST & MIC_X100_DMA Modules: "
+	modprobe -r mic_host mic_x100_dma
 	RETVAL=$?
 	[ $RETVAL -ne 0 ] && failure || success
 	echo
-- 
1.8.2.1

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