linux-kernel - Re: [PATCH] ASoC: atmel-classd: select correct Kconfig symbol

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Message-ID: <20171205105750.GI21780@piout.net>
Date:   Tue, 5 Dec 2017 11:57:50 +0100
From:   Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: atmel-classd: select correct Kconfig symbol

On 05/12/2017 at 11:09:38 +0100, Arnd Bergmann wrote:
> Commit 061981ff8cc8 ("ASoC: atmel: properly select dma driver state")
> changed the way that the dependencies are handled, but then the
> Class D amplifier support got merged, which used the old method.
> 
> This seems to have triggered a very rare randconfig condition for me
> now, leading to a link error:
> 
> sound/soc/atmel/atmel_ssc_dai.o: In function `atmel_ssc_set_audio':
> atmel_ssc_dai.c:(.text+0x79c): undefined reference to `atmel_pcm_dma_platform_register'
> atmel_ssc_dai.c:(.text+0x79c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `atmel_pcm_dma_platform_register'
> sound/soc/atmel/atmel_ssc_dai.o: In function `atmel_ssc_put_audio':
> atmel_ssc_dai.c:(.text+0xf24): undefined reference to `atmel_pcm_dma_platform_unregister'
> atmel_ssc_dai.c:(.text+0xf24): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `atmel_pcm_dma_platform_unregister'
> 
> Changing it to select SND_ATMEL_SOC_SSC_DMA as intended rather than
> SND_ATMEL_SOC_DMA directly makes it work again.
> 
> Fixes: e0a25b6d1862 ("ASoC: atmel-classd: add the Audio Class D Amplifier")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
Acked-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>

> ---
>  sound/soc/atmel/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig
> index 4a56f3dfba51..2d998e5c4fb5 100644
> --- a/sound/soc/atmel/Kconfig
> +++ b/sound/soc/atmel/Kconfig
> @@ -64,7 +64,7 @@ config SND_AT91_SOC_SAM9X5_WM8731
>  config SND_ATMEL_SOC_CLASSD
>  	tristate "Atmel ASoC driver for boards using CLASSD"
>  	depends on ARCH_AT91 || COMPILE_TEST
> -	select SND_ATMEL_SOC_DMA
> +	select SND_ATMEL_SOC_SSC_DMA
>  	select REGMAP_MMIO
>  	help
>  	  Say Y if you want to add support for Atmel ASoC driver for boards using
> -- 
> 2.9.0
> 

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com