devices/e1000e/update.sh
author Patrick Bruenn <p.bruenn@beckhoff.com>
Mon, 26 Oct 2015 08:28:10 +0100
branchstable-1.5
changeset 2637 1d9be5716dee
parent 2588 792892ab4806
permissions -rwxr-xr-x
fix ccat startup stall. In case the dma memory was allocated above 4 GB limit, CCAT is unable to access it.
-> limit the dma_mask to 32-bit to omit this situation
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#!/bin/bash
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set -x
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KERNELDIR=/data/kernel/linux-3.16.6
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PREVER=3.14
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KERNELVER=3.16
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for f in $KERNELDIR/drivers/net/ethernet/intel/e1000e/*.[ch]; do
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    echo $f
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    b=$(basename $f)
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    o=${b/\./-$KERNELVER-orig.}
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    e=${b/\./-$KERNELVER-ethercat.}
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    cp -v $f $o
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    chmod 644 $o
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    cp -v $o $e
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    op=${b/\./-$PREVER-orig.}
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    ep=${b/\./-$PREVER-ethercat.}
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    diff -u $op $ep | patch -p1 $e
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    sed -i s/$PREVER-ethercat.h/$KERNELVER-ethercat.h/ $e
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    hg add $o $e
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done