linux-kernel - [PATCH 5.18 447/879] media: make RADIO

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Date:   Tue,  7 Jun 2022 18:59:25 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.18 447/879] media: make RADIO_ADAPTERS tristate

From: Randy Dunlap <rdunlap@...radead.org>

[ Upstream commit 215d49a41709610b9e82a49b27269cfaff1ef0b6 ]

Fix build errors when RADIO_TEA575X=y, VIDEO_BT848=m, and VIDEO_DEV=m.

The build errors occur due to [in drivers/media/Makefile]:
obj-$(CONFIG_VIDEO_DEV) += radio/
so the (would be) builtin tea575x.o is not being built.

This is also due to drivers/media/radio/Kconfig declaring a bool
Kconfig symbol (RADIO_ADAPTERS) that depends on a tristate (VIDEO_DEV),
so when VIDEO_DEV=m, RADIO_ADAPTERS becomes =y, and then the drivers
that depend on RADIO_ADPATERS can be configured as builtin (=y) or
as loadable modules (=m).

Fix this by converting RADIO_ADAPTERS to a tristate symbol instead
of a bool symbol.

Fixes these build errors:

ERROR: modpost: "snd_tea575x_hw_init" [drivers/media/pci/bt8xx/bttv.ko] undefined!
ERROR: modpost: "snd_tea575x_set_freq" [drivers/media/pci/bt8xx/bttv.ko] undefined!
ERROR: modpost: "snd_tea575x_s_hw_freq_seek" [drivers/media/pci/bt8xx/bttv.ko] undefined!
ERROR: modpost: "snd_tea575x_enum_freq_bands" [drivers/media/pci/bt8xx/bttv.ko] undefined!
ERROR: modpost: "snd_tea575x_g_tuner" [drivers/media/pci/bt8xx/bttv.ko] undefined!

Link: lore.kernel.org/r/202204191711.IKJJFjgU-lkp@...el.com

Fixes: 9958d30f38b9 ("media: Kconfig: cleanup VIDEO_DEV dependencies")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/radio/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
index cca03bd2cc42..616a38feb641 100644
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -4,10 +4,10 @@
 #

 menuconfig RADIO_ADAPTERS
-	bool "Radio Adapters"
+	tristate "Radio Adapters"
 	depends on VIDEO_DEV
 	depends on MEDIA_RADIO_SUPPORT
-	default y
+	default VIDEO_DEV
 	help
 	  Say Y here to enable selecting AM/FM radio adapters.

-- 
2.35.1