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soundwire: intel_ace2x: fix SND_SOC_SOF_HDA_MLINK dependency

Message ID 20230616090932.2714714-1-arnd@kernel.org
State New
Headers show
Series soundwire: intel_ace2x: fix SND_SOC_SOF_HDA_MLINK dependency | expand

Commit Message

Arnd Bergmann June 16, 2023, 9:09 a.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>

The ace2x driver can be build with or without mlink support, but
when SND_SOC_SOF_HDA_MLINK is set to =m and soundwire is built-in,
it fails with a link error:

ld.lld: error: undefined symbol: hdac_bus_eml_sdw_wait_syncpu_unlocked
>>> referenced by intel_ace2x.c
>>>               drivers/soundwire/intel_ace2x.o:(intel_link_power_up) in archive vmlinux.a

ld.lld: error: undefined symbol: hdac_bus_eml_sdw_sync_arm_unlocked
>>> referenced by intel_ace2x.c
>>>               drivers/soundwire/intel_ace2x.o:(intel_sync_arm) in archive vmlinux.a

Add a Kconfig dependency that prevents that broken configuration but
still allows soundwire to be a loadable module instead.

Fixes: 4d1e2464a1104 ("soundwire: intel_ace2x: add sync_arm/sync_go helpers")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/soundwire/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/soundwire/Kconfig b/drivers/soundwire/Kconfig
index fa71c9a36df7a..4d8f3b7024ae5 100644
--- a/drivers/soundwire/Kconfig
+++ b/drivers/soundwire/Kconfig
@@ -37,6 +37,7 @@  config SOUNDWIRE_INTEL
 	select SOUNDWIRE_GENERIC_ALLOCATION
 	select AUXILIARY_BUS
 	depends on ACPI && SND_SOC
+	depends on SND_SOC_SOF_HDA_MLINK || !SND_SOC_SOF_HDA_MLINK
 	help
 	  SoundWire Intel Master driver.
 	  If you have an Intel platform which has a SoundWire Master then