|  | 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 |