Re: [PATCH V2] ASoC: SOF: Fix build error with CONFIG_SND_SOC_SOF_NOCODEC=m

[Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>]

On 5/10/19 8:50 AM, YueHaibing wrote:
> On 2019/5/10 21:36, Pierre-Louis Bossart wrote:
>> On 5/10/19 8:29 AM, YueHaibing wrote:
>>> Fix gcc build error while CONFIG_SND_SOC_SOF_NOCODEC=m
>>>
>>> sound/soc/sof/core.o: In function `snd_sof_device_probe':
>>> core.c:(.text+0x4af): undefined reference to `sof_nocodec_setup'
>>>
>>> Change IS_ENABLED to IS_REACHABLE to fix this.
>>
>> this just hides the issue instead of fixing it.
>> please send the config+sha1 so that we can check.
> 
> Sure,  config sha1 5fdc79b550c1d850eee604aa58bad4d6da9223f0

Indeed there is an issue. will send a patch shortly to alsa-devel.
Thanks for spotting this.

> 
>>
>>>
>>> Reported-by: Hulk Robot <hulkci@huawei.com>
>>> Suggested-by: Takashi Iwai <tiwai@suse.de>
>>> Fixes: c16211d6226d ("ASoC: SOF: Add Sound Open Firmware driver core")
>>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
>>> ---
>>> V2: use IS_REACHABLE
>>> ---
>>>    sound/soc/sof/core.c | 4 ++--
>>>    1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c
>>> index 32105e0..38e22f4 100644
>>> --- a/sound/soc/sof/core.c
>>> +++ b/sound/soc/sof/core.c
>>> @@ -259,7 +259,7 @@ int snd_sof_create_page_table(struct snd_sof_dev *sdev,
>>>    static int sof_machine_check(struct snd_sof_dev *sdev)
>>>    {
>>>        struct snd_sof_pdata *plat_data = sdev->pdata;
>>> -#if IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)
>>> +#if IS_REACHABLE(CONFIG_SND_SOC_SOF_NOCODEC)
>>>        struct snd_soc_acpi_mach *machine;
>>>        int ret;
>>>    #endif
>>> @@ -267,7 +267,7 @@ static int sof_machine_check(struct snd_sof_dev *sdev)
>>>        if (plat_data->machine)
>>>            return 0;
>>>    -#if !IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)
>>> +#if !IS_REACHABLE(CONFIG_SND_SOC_SOF_NOCODEC)
>>>        dev_err(sdev->dev, "error: no matching ASoC machine driver found - aborting probe\n");
>>>        return -ENODEV;
>>>    #else
>>>
>>
>>
>> .
>>