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Date: Wed, 21 Dec 2022 09:41:47 -0600
From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To: Arnd Bergmann <arnd@...nel.org>,
Cezary Rojewski <cezary.rojewski@...el.com>,
Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
Bard Liao <yung-chuan.liao@...ux.intel.com>,
Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
Kai Vehmanen <kai.vehmanen@...ux.intel.com>
Cc: Libin Yang <libin.yang@...el.com>, alsa-devel@...a-project.org,
Arnd Bergmann <arnd@...db.de>,
ye xingchen <ye.xingchen@....com.cn>,
Takashi Iwai <tiwai@...e.com>,
Mac Chiang <mac.chiang@...el.com>,
Mark Brown <broonie@...nel.org>,
Muralidhar Reddy <muralidhar.reddy@...el.com>,
Akihiko Odaki <akihiko.odaki@...il.com>,
David Lin <CTLIN0@...oton.com>,
Ajye Huang <ajye_huang@...pal.corp-partner.google.com>,
Brent Lu <brent.lu@...el.com>, linux-kernel@...r.kernel.org,
Yong Zhi <yong.zhi@...el.com>
Subject: Re: [PATCH] ASoC: Intel: sof-nau8825: fix module alias overflow
On 12/21/22 07:24, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
>
> The maximum name length for a platform_device_id entry is 20 characters
> including the trailing NUL byte. The sof_nau8825.c file exceeds that,
> which causes an obscure error message:
>
> sound/soc/intel/boards/snd-soc-sof_nau8825.mod.c:35:45: error: illegal character encoding in string literal [-Werror,-Winvalid-source-encoding]
> MODULE_ALIAS("platform:adl_max98373_nau8825<U+0018><AA>");
> ^~~~
> include/linux/module.h:168:49: note: expanded from macro 'MODULE_ALIAS'
> ^~~~~~
> include/linux/module.h:165:56: note: expanded from macro 'MODULE_INFO'
> ^~~~
> include/linux/moduleparam.h:26:47: note: expanded from macro '__MODULE_INFO'
> = __MODULE_INFO_PREFIX __stringify(tag) "=" info
>
> I could not figure out how to make the module handling robust enough
> to handle this better, but as a quick fix, using slightly shorter
> names that are still unique avoids the build issue.
>
> Fixes: 8d0872f6239f ("ASoC: Intel: add sof-nau8825 machine driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
Thanks Arnd, yes unfortunately that keeps on happening. We cleaned-up a
bunch of Chromebook platforms but newer ones have the same long name
issue obviously.
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> ---
> sound/soc/intel/boards/sof_nau8825.c | 8 ++++----
> sound/soc/intel/common/soc-acpi-intel-adl-match.c | 8 ++++----
> 2 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/sound/soc/intel/boards/sof_nau8825.c b/sound/soc/intel/boards/sof_nau8825.c
> index 27880224359d..009a41fbefa1 100644
> --- a/sound/soc/intel/boards/sof_nau8825.c
> +++ b/sound/soc/intel/boards/sof_nau8825.c
> @@ -618,7 +618,7 @@ static const struct platform_device_id board_ids[] = {
>
> },
> {
> - .name = "adl_rt1019p_nau8825",
> + .name = "adl_rt1019p_8825",
> .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
> SOF_SPEAKER_AMP_PRESENT |
> SOF_RT1019P_SPEAKER_AMP_PRESENT |
> @@ -626,7 +626,7 @@ static const struct platform_device_id board_ids[] = {
> SOF_NAU8825_NUM_HDMIDEV(4)),
> },
> {
> - .name = "adl_max98373_nau8825",
> + .name = "adl_max98373_8825",
> .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
> SOF_SPEAKER_AMP_PRESENT |
> SOF_MAX98373_SPEAKER_AMP_PRESENT |
> @@ -637,7 +637,7 @@ static const struct platform_device_id board_ids[] = {
> },
> {
> /* The limitation of length of char array, shorten the name */
> - .name = "adl_mx98360a_nau8825",
> + .name = "adl_mx98360a_8825",
> .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
> SOF_SPEAKER_AMP_PRESENT |
> SOF_MAX98360A_SPEAKER_AMP_PRESENT |
> @@ -648,7 +648,7 @@ static const struct platform_device_id board_ids[] = {
>
> },
> {
> - .name = "adl_rt1015p_nau8825",
> + .name = "adl_rt1015p_8825",
> .driver_data = (kernel_ulong_t)(SOF_NAU8825_SSP_CODEC(0) |
> SOF_SPEAKER_AMP_PRESENT |
> SOF_RT1015P_SPEAKER_AMP_PRESENT |
> diff --git a/sound/soc/intel/common/soc-acpi-intel-adl-match.c b/sound/soc/intel/common/soc-acpi-intel-adl-match.c
> index 60aee56f94bd..1f79fef600ac 100644
> --- a/sound/soc/intel/common/soc-acpi-intel-adl-match.c
> +++ b/sound/soc/intel/common/soc-acpi-intel-adl-match.c
> @@ -474,21 +474,21 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_adl_machines[] = {
> },
> {
> .id = "10508825",
> - .drv_name = "adl_rt1019p_nau8825",
> + .drv_name = "adl_rt1019p_8825",
> .machine_quirk = snd_soc_acpi_codec_list,
> .quirk_data = &adl_rt1019p_amp,
> .sof_tplg_filename = "sof-adl-rt1019-nau8825.tplg",
> },
> {
> .id = "10508825",
> - .drv_name = "adl_max98373_nau8825",
> + .drv_name = "adl_max98373_8825",
> .machine_quirk = snd_soc_acpi_codec_list,
> .quirk_data = &adl_max98373_amp,
> .sof_tplg_filename = "sof-adl-max98373-nau8825.tplg",
> },
> {
> .id = "10508825",
> - .drv_name = "adl_mx98360a_nau8825",
> + .drv_name = "adl_mx98360a_8825",
> .machine_quirk = snd_soc_acpi_codec_list,
> .quirk_data = &adl_max98360a_amp,
> .sof_tplg_filename = "sof-adl-max98360a-nau8825.tplg",
> @@ -502,7 +502,7 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_adl_machines[] = {
> },
> {
> .id = "10508825",
> - .drv_name = "adl_rt1015p_nau8825",
> + .drv_name = "adl_rt1015p_8825",
> .machine_quirk = snd_soc_acpi_codec_list,
> .quirk_data = &adl_rt1015p_amp,
> .sof_tplg_filename = "sof-adl-rt1015-nau8825.tplg",
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