[alsa-devel] [PATCH] ASoC: SOF: imx: fix reverse CONFIG_SND_SOC_SOF_OF dependency
CONFIG_SND_SOC_SOF_IMX depends on CONFIG_SND_SOC_SOF, but is in turn referenced by the sof-of-dev driver. This creates a reverse dependency that manifests in a link error when CONFIG_SND_SOC_SOF_OF is built-in but CONFIG_SND_SOC_SOF_IMX=m:
sound/soc/sof/sof-of-dev.o:(.data+0x118): undefined reference to `sof_imx8_ops'
Make the latter a 'bool' symbol and change the Makefile so the imx8 driver is compiled the same way as the driver using it.
A nicer way would be to reverse the layering and move all the imx specific bits of sof-of-dev.c into the imx driver itself, which can then call into the common code. Doing this would need more testing and can be done if we add another driver like the first one.
Fixes: f4df4e4042b0 ("ASoC: SOF: imx8: Fix COMPILE_TEST error") Fixes: 202acc565a1f ("ASoC: SOF: imx: Add i.MX8 HW support") Signed-off-by: Arnd Bergmann arnd@arndb.de --- sound/soc/sof/imx/Kconfig | 2 +- sound/soc/sof/imx/Makefile | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sof/imx/Kconfig b/sound/soc/sof/imx/Kconfig index 5acae75f5750..a3891654a1fc 100644 --- a/sound/soc/sof/imx/Kconfig +++ b/sound/soc/sof/imx/Kconfig @@ -12,7 +12,7 @@ config SND_SOC_SOF_IMX_TOPLEVEL if SND_SOC_SOF_IMX_TOPLEVEL
config SND_SOC_SOF_IMX8 - tristate "SOF support for i.MX8" + bool "SOF support for i.MX8" depends on IMX_SCU depends on IMX_DSP help diff --git a/sound/soc/sof/imx/Makefile b/sound/soc/sof/imx/Makefile index 6ef908e8c807..9e8f35df0ff2 100644 --- a/sound/soc/sof/imx/Makefile +++ b/sound/soc/sof/imx/Makefile @@ -1,4 +1,6 @@ # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) snd-sof-imx8-objs := imx8.o
-obj-$(CONFIG_SND_SOC_SOF_IMX8) += snd-sof-imx8.o +ifdef CONFIG_SND_SOC_SOF_IMX8 +obj-$(CONFIG_SND_SOC_SOF_OF) += snd-sof-imx8.o +endif
On Tue, 2019-10-01 at 16:20 +0200, Arnd Bergmann wrote:
CONFIG_SND_SOC_SOF_IMX depends on CONFIG_SND_SOC_SOF, but is in turn referenced by the sof-of-dev driver. This creates a reverse dependency that manifests in a link error when CONFIG_SND_SOC_SOF_OF is built-in but CONFIG_SND_SOC_SOF_IMX=m:
sound/soc/sof/sof-of-dev.o:(.data+0x118): undefined reference to `sof_imx8_ops'
Make the latter a 'bool' symbol and change the Makefile so the imx8 driver is compiled the same way as the driver using it.
A nicer way would be to reverse the layering and move all the imx specific bits of sof-of-dev.c into the imx driver itself, which can then call into the common code. Doing this would need more testing and can be done if we add another driver like the first one.
Fixes: f4df4e4042b0 ("ASoC: SOF: imx8: Fix COMPILE_TEST error") Fixes: 202acc565a1f ("ASoC: SOF: imx: Add i.MX8 HW support") Signed-off-by: Arnd Bergmann arnd@arndb.de
Acked-by: Daniel Baluta daniel.baluta@nxp.com
Indeed we will need to somehow avoid getting sof_imx8_ops from sof-of-dev.c by directly referencing it.
Will keep this in mind for the next platform.
Thanks a lot Arnd!
sound/soc/sof/imx/Kconfig | 2 +- sound/soc/sof/imx/Makefile | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sof/imx/Kconfig b/sound/soc/sof/imx/Kconfig index 5acae75f5750..a3891654a1fc 100644 --- a/sound/soc/sof/imx/Kconfig +++ b/sound/soc/sof/imx/Kconfig @@ -12,7 +12,7 @@ config SND_SOC_SOF_IMX_TOPLEVEL if SND_SOC_SOF_IMX_TOPLEVEL
config SND_SOC_SOF_IMX8
- tristate "SOF support for i.MX8"
- bool "SOF support for i.MX8" depends on IMX_SCU depends on IMX_DSP help
diff --git a/sound/soc/sof/imx/Makefile b/sound/soc/sof/imx/Makefile index 6ef908e8c807..9e8f35df0ff2 100644 --- a/sound/soc/sof/imx/Makefile +++ b/sound/soc/sof/imx/Makefile @@ -1,4 +1,6 @@ # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) snd-sof-imx8-objs := imx8.o
-obj-$(CONFIG_SND_SOC_SOF_IMX8) += snd-sof-imx8.o +ifdef CONFIG_SND_SOC_SOF_IMX8 +obj-$(CONFIG_SND_SOC_SOF_OF) += snd-sof-imx8.o +endif
On 10/1/19 9:20 AM, Arnd Bergmann wrote:
CONFIG_SND_SOC_SOF_IMX depends on CONFIG_SND_SOC_SOF, but is in turn referenced by the sof-of-dev driver. This creates a reverse dependency that manifests in a link error when CONFIG_SND_SOC_SOF_OF is built-in but CONFIG_SND_SOC_SOF_IMX=m:
sound/soc/sof/sof-of-dev.o:(.data+0x118): undefined reference to `sof_imx8_ops'
Make the latter a 'bool' symbol and change the Makefile so the imx8 driver is compiled the same way as the driver using it.
A nicer way would be to reverse the layering and move all the imx specific bits of sof-of-dev.c into the imx driver itself, which can then call into the common code. Doing this would need more testing and can be done if we add another driver like the first one.
Or use something like
config SND_SOC_SOF_IMX8_SUPPORT bool "SOF support for i.MX8" depends on IMX_SCU depends on IMX_DSP
config SND_SOC_SOF_IMX8 tristate <i.mx selects>
config SND_SOC_SOF_OF depends on OF select SND_SOC_SOF_IMX8 if SND_SOC_SOF_IMX8_SUPPORT
That way you propagate the module/built-in information. That's how we fixed those issues for the Intel parts.
Fixes: f4df4e4042b0 ("ASoC: SOF: imx8: Fix COMPILE_TEST error") Fixes: 202acc565a1f ("ASoC: SOF: imx: Add i.MX8 HW support") Signed-off-by: Arnd Bergmann arnd@arndb.de
sound/soc/sof/imx/Kconfig | 2 +- sound/soc/sof/imx/Makefile | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sof/imx/Kconfig b/sound/soc/sof/imx/Kconfig index 5acae75f5750..a3891654a1fc 100644 --- a/sound/soc/sof/imx/Kconfig +++ b/sound/soc/sof/imx/Kconfig @@ -12,7 +12,7 @@ config SND_SOC_SOF_IMX_TOPLEVEL if SND_SOC_SOF_IMX_TOPLEVEL
config SND_SOC_SOF_IMX8
- tristate "SOF support for i.MX8"
- bool "SOF support for i.MX8" depends on IMX_SCU depends on IMX_DSP help
diff --git a/sound/soc/sof/imx/Makefile b/sound/soc/sof/imx/Makefile index 6ef908e8c807..9e8f35df0ff2 100644 --- a/sound/soc/sof/imx/Makefile +++ b/sound/soc/sof/imx/Makefile @@ -1,4 +1,6 @@ # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) snd-sof-imx8-objs := imx8.o
-obj-$(CONFIG_SND_SOC_SOF_IMX8) += snd-sof-imx8.o +ifdef CONFIG_SND_SOC_SOF_IMX8 +obj-$(CONFIG_SND_SOC_SOF_OF) += snd-sof-imx8.o +endif
On Tue, Oct 1, 2019 at 5:32 PM Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com wrote:
On 10/1/19 9:20 AM, Arnd Bergmann wrote:
CONFIG_SND_SOC_SOF_IMX depends on CONFIG_SND_SOC_SOF, but is in turn referenced by the sof-of-dev driver. This creates a reverse dependency that manifests in a link error when CONFIG_SND_SOC_SOF_OF is built-in but CONFIG_SND_SOC_SOF_IMX=m:
sound/soc/sof/sof-of-dev.o:(.data+0x118): undefined reference to `sof_imx8_ops'
Make the latter a 'bool' symbol and change the Makefile so the imx8 driver is compiled the same way as the driver using it.
A nicer way would be to reverse the layering and move all the imx specific bits of sof-of-dev.c into the imx driver itself, which can then call into the common code. Doing this would need more testing and can be done if we add another driver like the first one.
Or use something like
config SND_SOC_SOF_IMX8_SUPPORT bool "SOF support for i.MX8" depends on IMX_SCU depends on IMX_DSP
config SND_SOC_SOF_IMX8 tristate <i.mx selects>
config SND_SOC_SOF_OF depends on OF select SND_SOC_SOF_IMX8 if SND_SOC_SOF_IMX8_SUPPORT
That way you propagate the module/built-in information. That's how we fixed those issues for the Intel parts.
Yes, I think that would work here as well, but it keeps even more information about the specific drivers in the generic code. It also requires adding more 'select' statements that tend to cause more problems.
The same could be done with a Kconfig-only solution avoiding 'select' such as:
config SND_SOC_SOF_IMX8_SUPPORT bool "SOF support for i.MX8" depends on IMX_SCU depends on IMX_DSP
config SND_SOC_SOF_IMX8 def_tristate SND_SOC_SOF_OF depends on SND_SOC_SOF_IMX8_SUPPORT
Arnd
On 10/1/19 10:41 AM, Arnd Bergmann wrote:
On Tue, Oct 1, 2019 at 5:32 PM Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com wrote:
On 10/1/19 9:20 AM, Arnd Bergmann wrote:
CONFIG_SND_SOC_SOF_IMX depends on CONFIG_SND_SOC_SOF, but is in turn referenced by the sof-of-dev driver. This creates a reverse dependency that manifests in a link error when CONFIG_SND_SOC_SOF_OF is built-in but CONFIG_SND_SOC_SOF_IMX=m:
sound/soc/sof/sof-of-dev.o:(.data+0x118): undefined reference to `sof_imx8_ops'
Make the latter a 'bool' symbol and change the Makefile so the imx8 driver is compiled the same way as the driver using it.
A nicer way would be to reverse the layering and move all the imx specific bits of sof-of-dev.c into the imx driver itself, which can then call into the common code. Doing this would need more testing and can be done if we add another driver like the first one.
Or use something like
config SND_SOC_SOF_IMX8_SUPPORT bool "SOF support for i.MX8" depends on IMX_SCU depends on IMX_DSP
config SND_SOC_SOF_IMX8 tristate <i.mx selects>
config SND_SOC_SOF_OF depends on OF select SND_SOC_SOF_IMX8 if SND_SOC_SOF_IMX8_SUPPORT
That way you propagate the module/built-in information. That's how we fixed those issues for the Intel parts.
Yes, I think that would work here as well, but it keeps even more information about the specific drivers in the generic code. It also requires adding more 'select' statements that tend to cause more problems.
The same could be done with a Kconfig-only solution avoiding 'select' such as:
config SND_SOC_SOF_IMX8_SUPPORT bool "SOF support for i.MX8" depends on IMX_SCU depends on IMX_DSP
config SND_SOC_SOF_IMX8 def_tristate SND_SOC_SOF_OF depends on SND_SOC_SOF_IMX8_SUPPORT
Ah, nice, thanks for the suggestion! That would be my preference, we have a similar select for PCI and ACPI parts in sound/soc/sof/Kconfig and I was looking for a means to do this more elegantly. I can submit a new fix or let you sent a v2, whatever is more convenient.
On Tue, Oct 1, 2019 at 6:03 PM Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com wrote:
On 10/1/19 10:41 AM, Arnd Bergmann wrote:
On Tue, Oct 1, 2019 at 5:32 PM Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com wrote:
The same could be done with a Kconfig-only solution avoiding 'select' such as:
config SND_SOC_SOF_IMX8_SUPPORT bool "SOF support for i.MX8" depends on IMX_SCU depends on IMX_DSP
config SND_SOC_SOF_IMX8 def_tristate SND_SOC_SOF_OF depends on SND_SOC_SOF_IMX8_SUPPORT
Ah, nice, thanks for the suggestion! That would be my preference, we have a similar select for PCI and ACPI parts in sound/soc/sof/Kconfig and I was looking for a means to do this more elegantly. I can submit a new fix or let you sent a v2, whatever is more convenient.
Ok, please send a patch then, I can add it to my randconfig test tree to make sure it covers all corner cases.
Arnd
participants (3)
-
Arnd Bergmann -
Daniel Baluta -
Pierre-Louis Bossart