[alsa-devel] [PATCH] ALSA: hdac: Explicitly add io.h

[Takashi Iwai]

On Tue, 13 Oct 2015 11:27:49 +0200,
Vinod Koul wrote:
> 
> Compiling the hdac extended core on arm fails with below error:
> 
>   sound/hda/ext/hdac_ext_bus.c: In function 'hdac_ext_writel':
> >> sound/hda/ext/hdac_ext_bus.c:29:2: error: implicit declaration of
> >> function
> +'writel' [-Werror=implicit-function-declaration]
>      writel(value, addr);
>      ^
>    sound/hda/ext/hdac_ext_bus.c: In function 'hdac_ext_readl':
> >> sound/hda/ext/hdac_ext_bus.c:34:2: error: implicit declaration of
> >> function
> +'readl' [-Werror=implicit-function-declaration]
>      return readl(addr);
> 
> This is fixed by explicitly including io.h
> 
> Fixes: 99463b3a3994 - ('ALSA: hda: provide default bus io ops extended hdac')
> Reported-by: kbuild test robot <lkp at intel.com>
> Suggested-by: Mark Brown <broonie at kernel.org>
> Signed-off-by: Vinod Koul <vinod.koul at intel.com>

Applied, thanks.


Takashi

> ---
>  sound/hda/ext/hdac_ext_bus.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c
> index 4449d1a99089..2433f7c81472 100644
> --- a/sound/hda/ext/hdac_ext_bus.c
> +++ b/sound/hda/ext/hdac_ext_bus.c
> @@ -19,6 +19,7 @@
>  
>  #include <linux/module.h>
>  #include <linux/slab.h>
> +#include <linux/io.h>
>  #include <sound/hdaudio_ext.h>
>  
>  MODULE_DESCRIPTION("HDA extended core");
> -- 
> 2.4.3
>