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From: Daniel Baluta <daniel.baluta@gmail.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Yuehaibing <yuehaibing@huawei.com>,
	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>,
	Takashi Iwai <tiwai@suse.com>, Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	dl-linux-imx <linux-imx@nxp.com>,
	Daniel Baluta <daniel.baluta@nxp.com>,
	Linux-ALSA <alsa-devel@alsa-project.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [alsa-devel] [PATCH -next] ASoC: SOF: imx8: Fix randbuild error
Date: Wed, 12 Feb 2020 11:55:16 +0200	[thread overview]
Message-ID: <CAEnQRZB2n+NOEete9fe7=EU9D2gfURf52NnUZTRDM0n9ey_FSw@mail.gmail.com> (raw)
In-Reply-To: <CAJKOXPcxL2vpWGwO1OL9Vv0g6hzbW-AyGJNn=7Yq2iy10_cbhg@mail.gmail.com>

On Tue, Feb 11, 2020 at 11:59 AM Krzysztof Kozlowski <krzk@kernel.org> wrote:
>
> On Tue, 11 Feb 2020 at 10:46, Daniel Baluta <daniel.baluta@gmail.com> wrote:
> >
> > On Tue, Feb 11, 2020 at 3:59 AM Yuehaibing <yuehaibing@huawei.com> wrote:
> > >
> > > On 2020/2/11 5:00, Pierre-Louis Bossart wrote:
> > > >
> > > >
> > > > On 2/10/20 12:15 AM, YueHaibing wrote:
> > > >> when do randconfig like this:
> > > >> CONFIG_SND_SOC_SOF_IMX8_SUPPORT=y
> > > >> CONFIG_SND_SOC_SOF_IMX8=y
> > > >> CONFIG_SND_SOC_SOF_OF=y
> > > >> CONFIG_IMX_DSP=m
> > > >> CONFIG_IMX_SCU=y
> > > >>
> > > >> there is a link error:
> > > >>
> > > >> sound/soc/sof/imx/imx8.o: In function 'imx8_send_msg':
> > > >> imx8.c:(.text+0x380): undefined reference to 'imx_dsp_ring_doorbell'
> > > >>
> > > >> Select IMX_DSP in SND_SOC_SOF_IMX8_SUPPORT to fix this
> > > >>
> > > >> Reported-by: Hulk Robot <hulkci@huawei.com>
> > > >> Fixes: f9ad75468453 ("ASoC: SOF: imx: fix reverse CONFIG_SND_SOC_SOF_OF dependency")
> > > >> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> > > >
> > > > Thanks for the report.
> > > >
> > > > Would you mind sharing the .config and instructions to reproduce this case? we have an unrelated issue with allyesconfig that was reviewed here:
> > > >
> > > > https://github.com/thesofproject/linux/pull/1778
> > > >
> > > > and I'd probably a good thing to fix everything in one shot.
> > >
> > > config is attached, which is on x86_64
> >
> > Thanks, I think this is legit. It was introduced with:
> >
> > commit f52cdcce9197fef9d4a68792dd3b840ad2b77117
> > Author: Daniel Baluta <daniel.baluta@nxp.com>
> > Date:   Sat Jan 4 15:39:53 2020 +0000
> >
> >     firmware: imx: Allow IMX DSP to be selected as module
> >
> >     IMX DSP is only needed by SOF or any other module that
> >     wants to communicate with the DSP. When SOF is build
> >     as a module IMX DSP is forced to be built inside the
> >     kernel image. This is not optimal, so allow IMX DSP
> >     to be built as a module.
> >
> >     Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
> >     Signed-off-by: Shawn Guo <shawnguo@kernel.org>
>
> Hi,
>
> Since it's a module, don't you just miss EXPORT_SYMBOL there?

This is a good point. Will have a deeper look at this asap and sent a
fix .

>
> > So, I think we should change the Fixes tag. Are there
> > any clear rules on when to use select vs depends?
> >
> > On my side, I know what both are doing but it is not clear
> > when to use them.
>
> Visible symbols usually should not be selected. The same with symbols
> with dependencies. The docs have this rule mentioned.

I see. Thanks!

  reply	other threads:[~2020-02-12  9:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-10  6:15 YueHaibing
2020-02-10 21:00 ` [alsa-devel] " Pierre-Louis Bossart
2020-02-11  1:39   ` Yuehaibing
2020-02-11  9:46     ` Daniel Baluta
2020-02-11  9:59       ` Krzysztof Kozlowski
2020-02-12  9:55         ` Daniel Baluta [this message]
2020-02-13 21:09         ` Daniel Baluta
2020-02-14  7:42           ` Krzysztof Kozlowski
2020-02-13 21:12         ` Daniel Baluta
2020-02-14  7:54           ` Krzysztof Kozlowski

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