[OE-core] [meta-oe][PATCH] kernel-devicetree: Corrected normalize_dtb

[Khem Raj]

On 7/2/18 8:03 AM, Paulo Neves wrote:
> The normalize_dtb function was buggy because
> it only converted from .dts suffix to .dtb
> suffix if the user passed a full source path to
> KERNEL_DEVICETREE containing the /dts/ path.
> The problem is that if the user did that there
> would be a warning.
> 
> On the othet hand if user just set the variable
> KERNEL_DEVICETREE="file.dts" the bbclass translation
> to the respective .dtb target did not occur and
> make would fail saying it has no rule to make target
> file.dts
> 
> This patch decouples the logic of having /dts/ in the
> path from the target translation.
> 

This breaks a case where relative paths are used e.g. for rpi
kernel we use DTB=overlay/xxx.dtbo and DTB=xxx.dtb and so on
with this change its going to strip leading directory name and
break that assumption.

See
http://git.yoctoproject.org/cgit/cgit.cgi/meta-raspberrypi/tree/conf/machine/include/rpi-base.inc#n17

> Signed-off-by: Paulo Neves <ptsneves at gmail.com>
> ---
>   meta/classes/kernel-devicetree.bbclass | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/meta/classes/kernel-devicetree.bbclass b/meta/classes/kernel-devicetree.bbclass
> index 4f80cc62eb..9866d844ab 100644
> --- a/meta/classes/kernel-devicetree.bbclass
> +++ b/meta/classes/kernel-devicetree.bbclass
> @@ -13,8 +13,8 @@ normalize_dtb () {
>   	DTB="$1"
>   	if echo ${DTB} | grep -q '/dts/'; then
>   		bbwarn "${DTB} contains the full path to the the dts file, but only the dtb name should be used."
> -		DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'`
>   	fi
> +	DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'`
>   	echo "${DTB}"
>   }
>   
>