mirror of https://gitee.com/openkylin/linux.git
misc: mic: add support for loading/unloading dma driver
modprobe dma driver upon start and remove it upon unload. Signed-off-by: Siva Yerramreddy <yshivakrishna@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -48,18 +48,18 @@ start()
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fi
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fi
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echo -e $"Starting MPSS Stack"
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echo -e $"Starting MPSS Stack"
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echo -e $"Loading MIC_HOST Module"
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echo -e $"Loading MIC_X100_DMA & MIC_HOST Modules"
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# Ensure the driver is loaded
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for f in "mic_host" "mic_x100_dma"
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if [ ! -d "$sysfs" ]; then
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do
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modprobe mic_host
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modprobe $f
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RETVAL=$?
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RETVAL=$?
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if [ $RETVAL -ne 0 ]; then
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if [ $RETVAL -ne 0 ]; then
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failure
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failure
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echo
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echo
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return $RETVAL
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return $RETVAL
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fi
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fi
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fi
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done
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# Start the daemon
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# Start the daemon
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echo -n $"Starting MPSSD "
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echo -n $"Starting MPSSD "
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@ -170,8 +170,8 @@ unload()
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stop
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stop
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sleep 5
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sleep 5
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echo -n $"Removing MIC_HOST Module: "
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echo -n $"Removing MIC_HOST & MIC_X100_DMA Modules: "
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modprobe -r mic_host
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modprobe -r mic_host mic_x100_dma
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RETVAL=$?
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RETVAL=$?
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[ $RETVAL -ne 0 ] && failure || success
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[ $RETVAL -ne 0 ] && failure || success
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echo
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echo
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