Re: [PATCH] soc: qcom: qmi: add a prompt to QCOM_QMI_HELPERS

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wt., 26 paź 2021 o 15:43 Alex Elder <elder@xxxxxxxxxx> napisał(a):
>
> On 10/25/21 11:31 AM, Janusz Dziedzic wrote:
> > From: Alex Elder <elder@xxxxxxxxxx>
> >
> > Add a prompt to the "tristate" attribute in the Kconfig file in
> > which QCOM_QMI_HELPERS is defined; I find it doesn't get selected
> > without it.
>
> This was a *long* time ago!
>    https://lore.kernel.org/all/20180427140358.30839-1-elder@xxxxxxxxxx/
>
> The discussion that followed indicated that the thing that needs
> QCOM_QMI_HELPERS should *select* it rather than *depend on it.
>
> Will this not work for you?
>
This don't work, we can't run select from backports.
Backports drivers - ath11k for this case - build out of the tree as a
separate modules.
Eg. Today we are using kernel 5.10
and backports generated from kernel 5.15.
So our kernel 5.10 don't check CONFIG_ATH11K
This is what I see from our kernel:

Selected by [n]:
ATH11K [=n] && NETDEVICES [=y] && WLAN [=y] && WLAN_VENDOR_ATH [=n] &&
MAC80211 [=n] && HAS_DMA [=y] && CRYPTO_MICHAEL_MIC [=n]

But we build backports/ath11k module which has:
depends on QCOM_QMI_HELPERS


To enable backports/ath11k build we need kernel that have
QCOM_QMI_HELPERS enabled.
Because of that we need this configurable.

BR
Janusz


>                                         -Alex
>
> > We need it in OpenWRT project, when using WiFi backports
> > and build ath11k driver. While ath11k driver depends on
> > QCOM_QMI_HELPERS we need way to enable this option in
> > our kernel.
> >
> > Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
> > Signed-off-by: Janusz Dziedzic <janusz.dziedzic@xxxxxxxxx>
> > ---
> >   drivers/soc/qcom/Kconfig | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
> > index fe3c486ae32d..16fb8e286015 100644
> > --- a/drivers/soc/qcom/Kconfig
> > +++ b/drivers/soc/qcom/Kconfig
> > @@ -92,7 +92,7 @@ config QCOM_PDR_HELPERS
> >       select QCOM_QMI_HELPERS
> >
> >   config QCOM_QMI_HELPERS
> > -     tristate
> > +     tristate "Qualcomm QMI Helpers"
> >       depends on NET
> >
> >   config QCOM_RMTFS_MEM
> >
>


-- 
Janusz Dziedzic




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