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linux-firmware-rpidistro: Guard the recipe under a license flag

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We do this as a result of an upstream issue[1].

Some of the firmware blobs are provided under the 'Synapse' license
including a clause that can (at least theoretically) be used as a
'killswitch'. To make sure users are aware of this, we guard this
behind a license flag.

Users of this recipe will need to add to their configuration:

    LICENSE_FLAGS_ACCEPTED = "synaptics-killswitch"

[1] https://github.com/RPi-Distro/firmware-nonfree/issues/29

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>
This commit is contained in:
Andrei Gherzan 2022-07-29 18:02:55 +02:00 committed by Andrei Gherzan
parent 1b4215d5d0
commit 7c31b9b4b5
3 changed files with 25 additions and 0 deletions
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docs/index.rst
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@ -15,6 +15,7 @@ Contents:
layer-contents
extra-build-config
extra-apps
ipcompliance
contributing
Indices and tables

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docs/ipcompliance.md Normal file
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@ -0,0 +1,23 @@
# IP Compliance
## linux-firmware-rpidistro
By default, some of the machine configurations recommend packages for the
WiFi/BT firmware, provided by
[linux-firmware-rpidistro](https://github.com/RPi-Distro/firmware-nonfree).
This package includes some firmware blobs under the `Synaptics` license which
could carry a legal risk: one of the clauses can be (at least theoretically)
used as a `killswitch`. This was
[reported](https://github.com/RPi-Distro/firmware-nonfree/issues/29) in the
upstream repository.
You can find the full license text body in the content of the above mentioned
package.
Due to the above, the build system will only allow this recipe to be built if
the user acknowledges this risk by adding the following configuration:
LICENSE_FLAGS_ACCEPTED = "synaptics-killswitch"
You can provide this configuration as part of your `local.conf`, `distro.conf`,
etc.

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recipes-kernel/linux-firmware-rpidistro/linux-firmware-rpidistro_git.bb
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@ -13,6 +13,7 @@ LIC_FILES_CHKSUM = "\
# license files will be copied from the fetched source.
NO_GENERIC_LICENSE[binary-redist-Cypress-rpidistro] = "debian/config/brcm80211/copyright"
NO_GENERIC_LICENSE[Synaptics-rpidistro] = "debian/config/brcm80211/copyright"
LICENSE_FLAGS = "synaptics-killswitch"
SRC_URI = "git://github.com/RPi-Distro/firmware-nonfree;branch=bullseye;protocol=https"
SRCREV = "541e5a05d152e7e6f0d9be45622e4a3741e51c02"