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2017-12-05devtool: fix handling of linux-yocto after multisrc changesPaul Eggleton
devtool now handles multiple source trees for any recipe that includes them in SRC_URI, extracting them all side-by-side so that you can make changes in any of them. As a result, when running devtool modify on a linux-yocto kernel recipe under the source path you will get a "source" subdirectory containing the kernel source and a "kernel-meta" subdirectory next to it containing the kernel metadata. (Previously you just got the source tree and the kernel metadata remained in the work directory). We create a symlink automatically at do_unpack from the work directory so that it can still be found there, however kernel_feature_dirs() expects to find the kernel-meta repository and we also now need to make externalsrc remove that so that it doesn't unpack and overwrite the one we've already extracted. Change kernel_feature_dirs() so that if there are no kmeta entries in SRC_URI, it will fall back to a directory named ${KMETA} if it happens to be present in the work directory, ignoring how it got there. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2017-12-05devtool: support extracting multiple source treesPaul Eggleton
If you have multiple source trees being extracted to the work directory within a recipe (e.g. you have two tarballs referred to in SRC_URI) and one isn't being extracted into the other, then devtool failed to extract all the sources because it only took the source tree that S pointed into. To fix this, we need to take a look at the work directory after do_unpack and see if there are any additional subdirectories; if so we need to put the main source tree in a subdirectory and put the additional subdirectories next to it. We also ensure that symlinks from the work directory get created at the end of do_unpack to point to these (so that references in the recipe continue to work). In addition to multiple source trees at the work directory level, this patch also handles multiple nested git trees (where you have multiple git URLs in SRC_URI with one or more inside another). These caused a different problem, where changes in sub-repos are not fully captured at the top level - we need to handle each repo separately. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2017-12-05devtool: modify: pick up commits from previously created source treePaul Eggleton
If you use devtool modify, then devtool reset, keep the source tree and then devtool modify on the same recipe with the -n option to re-use the existing source tree, we should pick up the commit hashes properly from the source tree so that later on devtool finish has these to compare to the commits in the tree at that time. We also need to be careful the second time around that we only get the original commits rather than the current HEAD which may be the result of user changes (hence using "devtool-patched", the tag that was placed at the original HEAD). Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2017-12-05devtool: extract: fix usage with kern-tools-nativePaul Eggleton
The kern-tools-native recipe as it currently stands is unusual in that it fetches source from a repository but sets S = "${WORKDIR}" which causes some problems. First you get a failure because we're calling "git commit" unconditionally even if there are no local files, and there aren't any in this case which means the commit fails. After that's fixed, we hit another problem where "recipe-sysroot-native" subdirectory appears in the extracted source tree. We don't want that so exclude it from copying. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2017-12-05devtool: deploy-target: don't specify ssh/scp port unless user doesPaul Eggleton
If the user doesn't specify a port then we should avoid specifying one on the ssh/scp command line in case the user has configured one for the host they are connecting to, which was being overridden unnecessarily. Fixes [YOCTO #12381]. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2017-12-05devtool: finish: fix erroneously creating bbappend for relative pathsPaul Eggleton
After OE-Core rev 5e3fe00a0233d563781849a44f53885b4e924a9c we call os.path.abspath() on the original layer path, but we later compare that to the destination layer path. If that layer path isn't absolute but is effectively the same path, it should be writing to the original recipe but because we weren't making it absolute we were writing a bbappend instead. Call os.path.abspath() on the destination path as well to avoid that. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2017-12-05devtool: reset: delete bbappend file if _check_preserve() doesn'tPaul Eggleton
If the .devtool_md5 file doesn't contain a reference to the bbappend file (e.g. because devtool was interrupted before it could write that out) then _check_preserve() won't delete it, so we need to delete it separately because otherwise the recipe won't actually be reset. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2017-12-05devtool: refactor return for _extract_source()Paul Eggleton
Use a namedtuple to return information to the caller, since I've been expanding that information we should avoid having to change all of the calling code each time. Additionally, it turned out that a bunch of the callers were checking for None being returned in the initial_rev value, but that's no longer possible, so tidy up the calling code. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2017-12-02runqemu: Allow the user to override the device tree optionAlistair Francis
Update the runqemu script to allow the user to specify a device tree to boot when calling runqemu. This involves creating a seperate check_dtb() function incase the user has specified 'none' for the kernel but still wants a device tree. Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Ben Levinsky <ben.levinsky@xilinx.com> Cc: Ben Levinsky <ben.levinsky@xilinx.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-12-02runqemu: Allow the user to override the Kernel optionAlistair Francis
Update the runqemu script to allow the user to specify a Kernel to boot when calling runqemu. Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Cc: Ben Levinsky <ben.levinsky@xilinx.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-12-02scripts/contrib/bbvars.py: Remove dead codeAmanda Brindle
Removed the -m option since this script now searches through all recipes in the configuration. Also removed dead code, which includes the functions recipe_bbvars() and collect_bbvars(). Signed-off-by: Amanda Brindle <amanda.r.brindle@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-29runqemu: print command search result when not foundRobert Yang
This makes debug easier. Signed-off-by: Robert Yang <liezhi.yang@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-29verify-bashisms: use argparse, add verbose optionRoss Burton
Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-21runqemu: Also specialcase resolution of '.' to the file's locationRichard Purdie
Similarly to handling "../", handle "." to resovle to the qemuconf file's current directory. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-11-21runqemu: Improve relative path handling in qemuconf filesRichard Purdie
If a variable starts with "../", its likely its a path and we want to set it to an absolute path relative to the qemuconf file. This means we don't have to use bitbake as often to figure out variables. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-11-21runqemu: Ensure we process all tap devicesRichard Purdie
The regexp in the script misses some tap devices, e.g. we see output like: runqemu - INFO - Acquiring lockfile /tmp/qemu-tap-locks/tap25.lock failed: [Errno 11] Resource temporarily unavailable runqemu - INFO - Acquiring lockfile /tmp/qemu-tap-locks/tap26.lock failed: [Errno 11] Resource temporarily unavailable runqemu - INFO - Acquiring lockfile /tmp/qemu-tap-locks/tap27.lock failed: [Errno 11] Resource temporarily unavailable runqemu - INFO - Acquiring lockfile /tmp/qemu-tap-locks/tap28.lock failed: [Errno 11] Resource temporarily unavailable runqemu - INFO - Acquiring lockfile /tmp/qemu-tap-locks/tap40.lock failed: [Errno 11] Resource temporarily unavailable runqemu - INFO - Acquiring lockfile /tmp/qemu-tap-locks/tap41.lock failed: [Errno 11] Resource temporarily unavailable What happened to tap29 to tap39? The issue is was we were missing devices with '0' in the number, like "10:" and so on in the output from "ip link". Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-11-21recipetool: create: fix failure handling included dictsPaul Eggleton
If a setup dict in a python setup.py file pulled in the contents of another dict (e.g. **otherdict), then we got an error when mapping the keys because the key is None in that case. Skip those keys to avoid the error (we pick up the values directly in any case). A quick reproducer for this issue: recipetool create https://files.pythonhosted.org/packages/source/p/pyqtgraph/pyqtgraph-0.10.0.tar.gz Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: implement conditional patch handlingPaul Eggleton
If you have a recipe that uses overrides to conditionally extend SRC_URI to add additional patches, then you will often need to update those patches if you're making other changes to the source tree (for example if you're upgrading the underlying source). Make this possible with devtool by creating devtool-override-* branches for each override that conditionally appends/prepends SRC_URI, and have devtool update-recipe / finish check each branch out in turn and update the corresponding patches. A current example of a recipe that does this is the quota recipe - it applies an additional patch if musl is the selected C library (i.e. libc-musl is in OVERRIDES). Note that use of this functionality does require some care - in particular, updates to patches that appear on the main branch (named "devtool" by default) should be made there and not only on one of the specific devtool-override-* branches that are created for each override. The recommended procedure is to make the changes you want to make to the main branch first, then check out and rebase each devtool-override-* branch, testing each one by activating the corresponding configuration, and then finally run devtool finish. Fixes [YOCTO #11516]. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: finish: add dry-run optionPaul Eggleton
If you're not sure what changes devtool finish is going to make, or you're not sure you're finished with your modifications, it is useful to be able to see what devtool finish is going to do beforehand, so add a -N/--dry-run option to make that possible. (It's also very useful for debugging devtool finish itself.) Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: finish: improve reporting for removed filesPaul Eggleton
If a file is going to be effectively removed from the destination by devtool finish, we should report that rather than just reporting that we're removing files from the workspace. This is a little tricky because the way we actually operate when finishing is to: (1) remove all original files (as recorded by devtool upgrade, if that was used) (2) as part of updating the recipe file, remove the files from next to the new recipe (i.e. in the workspace for an upgrade, real recipe otherwise) corresponding to commits not in the git tree (3) copy over remaining files from the workspace to the destination To report the files removed with respect to what was originally there, we need to swap steps 1 and 2 so we can see what no longer exists after the deletion, and suppress the reporting currently done in step 2 - however, we still want to report removal in step 2 for the non-upgrade case, so the latter is conditional. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: show a better error message if meta-files aren't foundPaul Eggleton
If the files that the devtool-source class is supposed to create in the source tree aren't found in the temporary directory then we know that the class hasn't worked properly - say that explicitly. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: upgrade: reformat --no-patch warning messagePaul Eggleton
* Only log one warning message instead of one per line * Be a bit more verbose * "if list" is more pythonic than "if len(list)" Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: upgrade: automatically handle changes to source subdirectoryPaul Eggleton
If the directory where the source code extracts to changes (for example, when upgrading iucode-tool from 1.5 to 2.1.1, the subdirectory in the tarball changed from "iucode_tool-${PV}" to "iucode-tool-${PV}") then handle this automatically. Also handle when it changes to match the default S value (i.e. "${WORKDIR}/${BP}") in which case we just drop setting S in the recipe. Fixes [YOCTO #10939]. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: upgrade: show messages before source extraction stepsPaul Eggleton
Give the user a little more insight into what's being done. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10recipetool: create: show a warning for github archive URLsPaul Eggleton
github archive URLs are not guaranteed to be stable [1] and thus we should show a warning if a user specifies one to recipetool create (or devtool add). [1] http://lists.openembedded.org/pipermail/openembedded-core/2017-September/142519.html Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: stop always moving workspace to end of BBLAYERSPaul Eggleton
I noticed that using bitbake-layers add-layer followed by a devtool command resulted in bitbake re-parsing all of the recipes, which is annoying. Upon closer inspection I could see that devtool was moving the workspace layer path to the end of BBLAYERS if it happened to be somewhere in the middle - there's no need for it to be doing this. This occurred because we were passing the current workspace path to remove and the "new" path to add even if the path is not being changed, and I think earlier versions of bb.utils.edit_bblayers_conf() didn't move the existing entry under these circumstances as it clearly does now. Fix it so we only pass the path to be removed if we're actually changing the path. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10recipetool: create: drop debug printPaul Eggleton
This looks like some debug printing that was left in by accident. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: upgrade: handle recipes that use named SRC_URI checksumsPaul Eggleton
devtool upgrade did not properly handle setting SRC_URI checksums for recipes that use named SRC_URI entries and also use those names in the SRC_URI checksums. A further complication was where the name contained an expression that changed with the version e.g. ${PV} (probably quite rare, but the dnsmasq recipe in meta-networking is currently one such recipe.) All of these are now handled properly. Additionally, drop the _get_checksums() function that wasn't being called from anywhere in the code. Note that this now turns nowrap_vars in recipeutils.py to be a list of regexes, hence things such as [ and ] need to be appropriately escaped. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: finish: fix "layer not in bblayers.conf" warning when path specifiedPaul Eggleton
devtool finish will check if the destination layer is part of bblayers.conf so that we avoid the user getting confused about the recipe vanishing from their configuration if it isn't. devtool finish also accepts a path underneath a layer so that you have a bit more control over where it ends up. However if you used a path underneath a layer then it wasn't converting this to the base of the layer before checking it against BBLAYERS, thus the warning was being shown erroneously in that case. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: finish: ensure repository is clean before proceedingPaul Eggleton
If the git repository for a recipe in the workspace has uncommitted changes in it then it's possible that the user has forgotten to commit something, so check and exit if there are any. Provide a -f/--force option to continue in the case where the uncommitted changes aren't needed. Separately, if the repository is in the middle of a rebase or git am / apply then error out (without the opportunity to force) since the user really needs to sort this out before finishing. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: reset: print source tree base pathPaul Eggleton
If S points to a subdirectory of the source rather than the "base" of the source tree then print that rather than the subdirectory path when telling the user they need to remove the source tree, since that is the directory that they will need to remove. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: make find-recipe and edit-recipe always work with any recipePaul Eggleton
After some reconsideration I think it's a bit annoying for users to be forced to use an option to work with recipes where the file isn't in the workspace, so let's just have these commands check the workspace first for the recipe, and if it isn't there then load the cache and get it that way. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: show some warnings for upgrade versionsPaul Eggleton
* Show a warning in devtool upgrade if the version is less than the current version suggesting that the user may need to bump PE in the recipe * Show a warning in devtool add and devtool upgrade if the version looks like a pre-release version suggesting using a version number that won't mess up the progression when you come to upgrade to the final release version. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: fix handling of oe-local-files when source is in a subdirectoryPaul Eggleton
If S points to a subdirectory of the source rather than the "base" of the source tree then we weren't handling the oe-local-files directory properly - it got extracted to the base of the tree but devtool update-recipe and devtool finish assumed it would be under S which would be the subdirectory, thus it would be missing and devtool would assume the files had been deleted and remove them from the recipe. Record the base of the source tree in the bbappend and read it into the in-memory workspace so we can use that to find out where oe-local-files should be found. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: upgrade: improve performance and show progress when adding filesPaul Eggleton
When devtool upgrade is upgrading to a new version where the source is fetched as an archive (e.g. a tarball), we create a single commit in the git repository that is the upgrade from the old version to the new. We do this by extracting the old source, committing it, deleting all files, copying in the new files, running git add on each new/changed/deleted file, and then committing the result. When a lot of files have changed in an upgrade (such as QEMU 2.8.1.1 -> 2.10.0) the penultimate step of running git add it can take quite a long time; in order to reduce this and show some feedback to the user, run git add with batches of 100 files at once and also show a progress bar. In a local test with the aforementioned QEMU upgrade it took the time down from over 7 minutes down to about 13 seconds. Fixes [YOCTO #11948]. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: upgrade: fix not committing deleted files with older git versionsPaul Eggleton
With versions of git older than 2.0, "git add" on a deleted file (i.e. in this case a file that was removed between versions) will not add the delete to be committed by default, with the result that the rebase of patches on top of the new branch will fail. We need to use the -A option in order to force that for older git versions. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10devtool: upgrade: fix accidentally swapped parametersPaul Eggleton
It appears that when fixing the signature unlocking in OE-Core commit 4e9a0be32fc30fb87d65da7cd1a4015c99533aff I swapped the parameters here and did not test it within the eSDK (it does nothing outside of the eSDK) resulting in a TypeError when devtool upgrade was used in the eSDK. Swap the parameters around to the correct ordering. Fixes [YOCTO #12285]. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10recipetool: ignore incidental kernel module sourcePaul Eggleton
If the source tree happens to contain a kernel module as an example, a test or under a "contrib" directory then we shouldn't be picking it up and making the determination that the entire thing is a kernel module. An example that triggered this is zstd, which ships a kernel module under contrib/linux-kernel: https://github.com/facebook/zstd Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-10recipetool: pass absolute source tree path to pluginsPaul Eggleton
We shouldn't be passing a relative path to the plugins if that's what's been specified on the recipetool command line. Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
2017-11-08oe-build-perf-report-email.py: add images as MIME objectsMarkus Lehtonen
Add images as separate MIME objects instead of directly embedding images in the html (as base64 encoded pngs). This makes the emails better suited for certain email servers/clients. Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-08wic: Update canned-wks for systemd to use UUID everywhereTom Rini
With systemd, the mounting of the swap partition is handled via systemd and will mount it, regardless of if PARTUUID is parsed or not. systemd has a runtime dependency on util-linux-mount so PARTUUID for regular mount points will be handled correctly. Make all partitions that we add to the image make use of UUIDs for maximum portability. Signed-off-by: Tom Rini <trini@konsulko.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-08wic: When using --use-uuid make sure that we update the fstab with PARTUUIDTom Rini
When we have been told to use the UUID we should also update the fstab to make use of PARTUUID instead of hard-coding the device in question. This will make the resulting image much more portable. Signed-off-by: Tom Rini <trini@konsulko.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-08scripts/contrib/bbvars.py: Rewrite to use tinfoilAmanda Brindle
Use tinfoil to collect all variable names globally and in each recipe. No longer show the count of variables if they are undocumented. Fixes [YOCTO #2086] Signed-off-by: Amanda Brindle <amanda.r.brindle@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-05wic: add 'part-name' argument for naming GPT partitionsArtur Mądrzak
The WIC's 'part' can now give a name for GPT partition in WKS file. It's similar to '--label', but is naming partintions instead file systems. It's required by some bootloaders to partitions have specified names. Signed-off-by: Artur Mądrzak <artur@madrzak.eu> Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-11-05runqemu: correct rootfs setup to boot an ide hddimgThomas Perrot
vm_drive variable is malformed when the drive type is an ide device. Signed-off-by: Thomas Perrot <thomas.perrot@tupi.fr> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-11-05wic: misc.py: Use mmd from mtools instead of syslinuxSaul Wold
mtools already provides a suite of msdos utilities, switch to this one also. This could allow for future changes to reduce wic's dependecies. Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-05wic: misc.py: Added more mtools binariesSaul Wold
This fixes the issue that if you don't have mtools installed on the host thus causing host contamination, that the correct binaries would be selected from the native sysroot. [YOCTO #12173] Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-05runqemu: Add riscv support for qemu machinesKhem Raj
Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
2017-11-03oe-buildenv-internal: Fix finding build directoryRichard Purdie
The intent of the env setup scripts is to set BBPATH to point at the build directory. This means if the user changes directory, bitbake can still find the original build directory. The default bblayers.conf files reset BBPATH to the correct components so this is safe and restores the behaviour the script was intended to have. [YOCTO #12163] Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2017-10-16devtool: standard: Expand SRCREV before using it in _update_recipe_srcrevPeter Kjellerstedt
If SRCREV contains a variable reference, any devtool command that would try to update it would fail. E.g., if SRCREV = "R${PV}", then devtool finish without having committed any changes would fail with: oe.patch.CmdError: Command Error: 'sh -c 'git format-patch R${PV} -o /tmp/oepatchb_doareb -- .'' exited with 0 Output: fatal: bad revision 'R' Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com> Signed-off-by: Ross Burton <ross.burton@intel.com>