[meta-intel] [PATCH 2/3] backport-iwlwifi: comment about firmware requirements

[California Sullivan]

Its important to keep backport-iwlwifi in sync with the proper firmware,
otherwise it may stop working with no immediately obvious cause.

Signed-off-by: California Sullivan <california.l.sullivan at intel.com>
---
 common/recipes-kernel/iwlwifi/backport-iwlwifi_git.bb | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/common/recipes-kernel/iwlwifi/backport-iwlwifi_git.bb b/common/recipes-kernel/iwlwifi/backport-iwlwifi_git.bb
index cd1f5dd..7c756a9 100644
--- a/common/recipes-kernel/iwlwifi/backport-iwlwifi_git.bb
+++ b/common/recipes-kernel/iwlwifi/backport-iwlwifi_git.bb
@@ -9,13 +9,21 @@ LIC_FILES_CHKSUM = "file://${S}/COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
 
 inherit module
 
+# For some iwfwifi LinuxCore supported wireless chips, the best/latest
+# firmware blobs are found in the iwlwifi's linux-firmware.git fork.
+#
+# See: https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/core_release
+#
+# When updating this recipe, ensure that the proper firmware is included from
+# either the linux-firmware or iwlwifi-firmware repos.
+
 PV = "30"
+SRCREV = "b31221a99488021300e7f89d2ecf9bdd2bc52dd2"
+
 SRC_URI = "git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi;branch=release/LinuxCore${PV}"
 SRC_URI += "file://0001-Makefile.real-skip-host-install-scripts.patch"
 SRC_URI += "file://iwlwifi.conf"
 
-SRCREV = "b31221a99488021300e7f89d2ecf9bdd2bc52dd2"
-
 S = "${WORKDIR}/git"
 
 EXTRA_OEMAKE = "INSTALL_MOD_PATH=${D} KLIB_BUILD=${KBUILD_OUTPUT}"
-- 
2.9.5