From: Masahiro Yamada <masahiroy@kernel.org>
To: Jeff Johnson <quic_jjohnson@quicinc.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
Kalle Valo <kvalo@kernel.org>,
Jeff Johnson <jjohnson@kernel.org>,
Stephen Boyd <swboyd@chromium.org>,
Rakesh Pillai <quic_pillair@quicinc.com>,
linux-wireless@vger.kernel.org, ath10k@lists.infradead.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
linux-kbuild@vger.kernel.org
Subject: Re: [PATCH] wifi: ath10k: fix QCOM_RPROC_COMMON dependency
Date: Wed, 15 May 2024 02:45:09 +0900 [thread overview]
Message-ID: <CAK7LNASyBNbxm-e+iZ=7pOJg-a-Zm84O6RNcqiUjZQH7f9r3Lw@mail.gmail.com> (raw)
In-Reply-To: <12a208d7-f36b-4953-abff-323a15452b3c@quicinc.com>
On Tue, May 14, 2024 at 11:43 PM Jeff Johnson <quic_jjohnson@quicinc.com> wrote:
>
> On 5/11/2024 3:49 AM, Dmitry Baryshkov wrote:
> > If ath10k_snoc is built-in, while Qualcomm remoteprocs are built as
> > modules, compilation fails with:
> >
> > /usr/bin/aarch64-linux-gnu-ld: drivers/net/wireless/ath/ath10k/snoc.o: in function `ath10k_modem_init':
> > drivers/net/wireless/ath/ath10k/snoc.c:1534: undefined reference to `qcom_register_ssr_notifier'
> > /usr/bin/aarch64-linux-gnu-ld: drivers/net/wireless/ath/ath10k/snoc.o: in function `ath10k_modem_deinit':
> > drivers/net/wireless/ath/ath10k/snoc.c:1551: undefined reference to `qcom_unregister_ssr_notifier'
> >
> > Add corresponding dependency to ATH10K_SNOC Kconfig entry so that it's
> > built as module if QCOM_RPROC_COMMON is built as module too.
> >
> > Fixes: 747ff7d3d742 ("ath10k: Don't always treat modem stop events as crashes")
> > Cc: stable@vger.kernel.org
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> > ---
> > drivers/net/wireless/ath/ath10k/Kconfig | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/net/wireless/ath/ath10k/Kconfig b/drivers/net/wireless/ath/ath10k/Kconfig
> > index e6ea884cafc1..4f385f4a8cef 100644
> > --- a/drivers/net/wireless/ath/ath10k/Kconfig
> > +++ b/drivers/net/wireless/ath/ath10k/Kconfig
> > @@ -45,6 +45,7 @@ config ATH10K_SNOC
> > depends on ATH10K
> > depends on ARCH_QCOM || COMPILE_TEST
> > depends on QCOM_SMEM
> > + depends on QCOM_RPROC_COMMON || QCOM_RPROC_COMMON=n
> > select QCOM_SCM
> > select QCOM_QMI_HELPERS
> > help
> >
> > ---
> > base-commit: 75fa778d74b786a1608d55d655d42b480a6fa8bd
> > change-id: 20240511-ath10k-snoc-dep-862a9da2e6bb
>
> I see how this fixes the problem, but this doesn't seem like an ideal
> solution. The fact that the *_ssr_notifier() functions are correctly protected
> by conditional compilation ideally should mean that clients don't need to call
> call out this as a dependency. Otherwise, it would mean we'd need to do this
> for all feature flags.
It depends on if qcom_common.c is optional for ath10k_snoc.
If it is optional, this patch is correct.
If it is mandatory
depends on QCOM_RPROC_COMMON
>
> +linux-kbuild just to make sure there isn't a better approach.
Commit 28d49e171676afb7df7f47798391364af9abed7f suggested
depends on BAR || !BAR
but
depends on BAR || BAR=n
works equivalently.
>
> /jeff
>
>
--
Best Regards
Masahiro Yamada
next prev parent reply other threads:[~2024-05-14 17:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-11 10:49 [PATCH] wifi: ath10k: fix QCOM_RPROC_COMMON dependency Dmitry Baryshkov
2024-05-14 14:43 ` Jeff Johnson
2024-05-14 17:45 ` Masahiro Yamada [this message]
2024-05-14 18:14 ` Jeff Johnson
2024-05-15 4:10 ` Masahiro Yamada
2024-05-15 22:43 ` Jeff Johnson
2024-05-15 19:16 ` Stephen Boyd
2024-05-20 11:53 ` Kalle Valo
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