[yocto] [bitbake] Failed to patch "defconfig" for linux kernel

[Khem Raj]

On Fri, Mar 10, 2017 at 10:57 AM, Karim ATIKI <karim_atiki at hotmail.com>
wrote:

>
>
> OK.
> But how then is this file "bt.cfg" included in the compilation process ?
>
>
>
​linux-yocto​ have provisions for it. It basically
users merge-config feature of kernel kconfig.



>
> ------------------------------
> *De :* Khem Raj <raj.khem at gmail.com>
> *Envoyé :* vendredi 10 mars 2017 19:53
> *À :* Karim ATIKI
>
> *Objet :* Re: [yocto] [bitbake] Failed to patch "defconfig" for linux
> kernel
>
>
>
> On Fri, Mar 10, 2017 at 10:47 AM, Karim ATIKI <karim_atiki at hotmail.com>
> wrote:
>
>> Hi Khem,
>>
>>
>>
>> >You can edit do_configure_prepend() in linux-rpi.inc
>> >kernel_configure_variable CONFIG_BT y
>>
>>
>> Ok.
>>
>> But this file "linux-rpi.inc" is available only for RaspberryPi ?
>>
>> I'm not working on Rpi here.
>>
>>
>> Somehow I thought you were, anyhow if you are using linux-yocto then you
> can create a .cfg file e.g.
> bt.cfg with
>
> CONFIG_BT=y
> CONFIG_BT_RFCOMM=y
> CONFIG_BT_RFCOMM_TTY=y
> CONFIG_BT_HCIBTUSB=y
> CONFIG_WIRELESS=y
>
> and add it to SRC_URI e.g.
>
> SRC_URI += "file://bt.cfg"
>
> that should do it.
>
>
>
>
>>
>>
>>
>> ------------------------------
>> *De :* Khem Raj <raj.khem at gmail.com>
>> *Envoyé :* vendredi 10 mars 2017 19:13
>> *À :* Karim ATIKI
>> *Cc :* yocto
>> *Objet :* Re: [yocto] [bitbake] Failed to patch "defconfig" for linux
>> kernel
>>
>> On Fri, Mar 10, 2017 at 6:50 AM, Karim ATIKI <karim_atiki at hotmail.com>
>> wrote:
>> > Hi,
>> >
>> >
>> > I'm currently trying to patch the linux kernel 3.8.13-r2 of an ARM based
>> > board (Hachiko) in order to enable Bluetooth and RFCOMM support.
>> >
>> >
>> > Currently, I select these options with bitbake -c menuconfig
>> virtual/kernel
>> >
>> > I'd like to use a patch on the defconfig in order to avoid the
>> menuconfig
>> > step.
>> >
>> >
>> > I've created a linux_3.8.13.bbappend file to apply the path.
>> >
>> >
>> > Th patch file looks like:
>> >
>> >
>> >
>> > --- a defconfig
>> > +++ b defconfig
>> > @@ -107,3 +107,16 @@
>> >  CONFIG_CRYPTO_CBC=y
>> >  CONFIG_CRYPTO_MD5=y
>> >  CONFIG_CRYPTO_DES=y
>> > +#
>> > +# FIR device drivers
>> > +#
>> > +CONFIG_BT=y
>> > +CONFIG_BT_RFCOMM=y
>> > +CONFIG_BT_RFCOMM_TTY=y
>> > +
>> > +#
>> > +# Bluetooth device drivers
>> > +#
>> > +CONFIG_BT_HCIBTUSB=y
>> > +CONFIG_WIRELESS=y
>> >
>> >
>> > The working directory of the linux is:
>> >
>> >
>> > /home/kai/yocto/build-hachiko/tmp/work/hachiko64-poky-linux-
>> gnueabi/linux/3.8.13-r2/linux-3.8.13
>> >
>> >
>> > But when the linux is fetched and unpacked, the root defconfig file is
>> put
>> > in:
>> >
>> >
>> > /home/kai/yocto/build-hachiko/tmp/work/hachiko64-poky-linux-
>> gnueabi/linux/3.8.13-r2
>> >
>> >
>> > therefore, the patch step failed.
>> >
>> >
>> > I tried to modify the patch with  --- a/../defconfig and b/../defconfig
>> >
>> > but it does not work better.
>> >
>> >
>> > Any idea how to make it work ?
>>
>>
>> You can edit do_configure_prepend() in linux-rpi.inc
>>
>> kernel_configure_variable CONFIG_BT y
>> ...
>>
>>
>>
>> >
>> >
>> > Thanks.
>> >
>> >
>> > Karim
>> >
>> >
>> > --
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>>
>> >
>>
>
>
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