Hi all, After merging the sound-asoc tree, today's linux-next build (powerpc allyesconfig) failed like this: sound/soc/amd/acp-es8336.c: In function 'st_es8336_late_probe': sound/soc/amd/acp-es8336.c:204:33: error: invalid use of undefined type 'struct acpi_device' 204 | put_device(&adev->dev); | ^~ sound/soc/soc-acpi.c:34:1: error: redefinition of 'snd_soc_acpi_find_machine' 34 | snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines) | ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from sound/soc/soc-acpi.c:9: include/sound/soc-acpi.h:38:1: note: previous definition of 'snd_soc_acpi_find_machine' with type 'struct snd_soc_acpi_mach *(struct snd_soc_acpi_mach *)' 38 | snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines) | ^~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/soc-acpi.c: In function 'snd_soc_acpi_find_package': sound/soc/soc-acpi.c:58:36: error: implicit declaration of function 'acpi_fetch_acpi_dev'; did you mean 'device_match_acpi_dev'? [-Werror=implicit-function-declaration] 58 | struct acpi_device *adev = acpi_fetch_acpi_dev(handle); | ^~~~~~~~~~~~~~~~~~~ | device_match_acpi_dev sound/soc/soc-acpi.c:58:36: error: initialization of 'struct acpi_device *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion] sound/soc/soc-acpi.c:64:25: error: invalid use of undefined type 'struct acpi_device' 64 | if (adev && adev->status.present && adev->status.functional) { | ^~ sound/soc/soc-acpi.c:64:49: error: invalid use of undefined type 'struct acpi_device' 64 | if (adev && adev->status.present && adev->status.functional) { | ^~ sound/soc/soc-acpi.c:80:26: error: implicit declaration of function 'acpi_extract_package' [-Werror=implicit-function-declaration] 80 | status = acpi_extract_package(myobj, | ^~~~~~~~~~~~~~~~~~~~ sound/soc/soc-acpi.c: At top level: sound/soc/soc-acpi.c:95:6: error: redefinition of 'snd_soc_acpi_find_package_from_hid' 95 | bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN], | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from sound/soc/soc-acpi.c:9: include/sound/soc-acpi.h:44:1: note: previous definition of 'snd_soc_acpi_find_package_from_hid' with type 'bool(const u8 *, struct snd_soc_acpi_package_context *)' {aka '_Bool(const unsigned char *, struct snd_soc_acpi_package_context *)'} 44 | snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN], | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/soc-acpi.c:109:27: error: redefinition of 'snd_soc_acpi_codec_list' 109 | struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg) | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from sound/soc/soc-acpi.c:9: include/sound/soc-acpi.h:51:41: note: previous definition of 'snd_soc_acpi_codec_list' with type 'struct snd_soc_acpi_mach *(void *)' 51 | static inline struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg) | ^~~~~~~~~~~~~~~~~~~~~~~ Caused by commit f94fa8405801 ("ASoC: amd: enable machine driver build for Jadeite platform") I have reverted that commit for today. -- Cheers, Stephen Rothwell