Squashed 'import-layers/meta-raspberrypi/' content from commit 2745399
Change-Id: I8a89d81813dea98209d089ef500a403ea4da5d9d
git-subtree-dir: import-layers/meta-raspberrypi
git-subtree-split: 2745399f75d7564fcc586d0365ff73be47849d0e
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/import-layers/meta-raspberrypi/classes/linux-raspberrypi-base.bbclass b/import-layers/meta-raspberrypi/classes/linux-raspberrypi-base.bbclass
new file mode 100644
index 0000000..40beef1
--- /dev/null
+++ b/import-layers/meta-raspberrypi/classes/linux-raspberrypi-base.bbclass
@@ -0,0 +1,39 @@
+inherit linux-kernel-base
+
+
+def get_dts(d, ver):
+ staging_dir = d.getVar("STAGING_KERNEL_BUILDDIR", True)
+ dts = d.getVar("KERNEL_DEVICETREE", True)
+
+ # d.getVar() might return 'None' as a normal string
+ # leading to 'is None' check isn't enough.
+ # TODO: Investigate if this is a bug in bitbake
+ if ver is None or ver == "None":
+ ''' if 'ver' isn't set try to grab the kernel version
+ from the kernel staging '''
+ ver = get_kernelversion_file(staging_dir)
+
+ if ver is not None:
+ min_ver = ver.split('.', 3)
+ else:
+ return dts
+
+ # Always turn off device tree support for kernel's < 3.18
+ try:
+ if int(min_ver[0]) <= 3:
+ if int(min_ver[1]) < 18:
+ dts = ""
+ except IndexError:
+ min_ver = None
+
+ return dts
+
+
+def split_overlays(d, out):
+ dts = get_dts(d, None)
+ if out:
+ overlays = oe.utils.str_filter_out('\S+\-overlay\.dtb$', dts, d)
+ else:
+ overlays = oe.utils.str_filter('\S+\-overlay\.dtb$', dts, d)
+
+ return overlays