linux-kernel - Re: [PATCH 2/2] ASoC: s3c24xx: use const snd_soc_component

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Date:	Tue, 26 Jan 2016 13:09:01 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Arnd Bergmann <arnd@...db.de>, Mark Brown <broonie@...nel.org>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
	Kukjin Kim <kgene@...nel.org>,
	Sangbeom Kim <sbkim73@...sung.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	linux-samsung-soc@...r.kernel.org, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ASoC: s3c24xx: use const snd_soc_component_driver
 pointer

On 26.01.2016 02:07, Arnd Bergmann wrote:
> An older patch to convert the API in the s3c i2s driver
> ended up passing a const pointer into a function that takes
> a non-const pointer, so we now get a warning:
> 
> sound/soc/samsung/s3c2412-i2s.c: In function 's3c2412_iis_dev_probe':
> sound/soc/samsung/s3c2412-i2s.c:172:9: error: passing argument 3 of 's3c_i2sv2_register_component' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
> 
> However, the s3c_i2sv2_register_component() function again
> passes the pointer into another function taking a const, so
> we just need to change its prototype.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Fixes: eca3b01d0885 ("ASoC: switch over to use snd_soc_register_component() on s3c i2s")
> ---
>  sound/soc/samsung/s3c-i2s-v2.c | 2 +-
>  sound/soc/samsung/s3c-i2s-v2.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 

Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>

Best regards,
Krzysztof