[alsa-devel] [PATCH] ASoC: Intel: Fix sparse warnings for firmware loader.

[Liam Girdwood]

On Wed, 2014-02-19 at 11:00 +0000, Liam Girdwood wrote:
> Sparse gives us the following warning on sst-firmware.c
> 
>   CHECK   sound/soc/intel/sst-firmware.c
> sound/soc/intel/sst-firmware.c:39:34: warning: incorrect type in argument 1 (different address spaces)
> sound/soc/intel/sst-firmware.c:39:34:    expected void volatile [noderef] <asn:2>*dst
> sound/soc/intel/sst-firmware.c:39:34:    got void *
> sound/soc/intel/sst-firmware.c:417:36: warning: incorrect type in argument 1 (different address spaces)
> sound/soc/intel/sst-firmware.c:417:36:    expected void *dest
> sound/soc/intel/sst-firmware.c:417:36:    got void [noderef] <asn:2>*
> sound/soc/intel/sst-firmware.c:430:5: warning: symbol 'sst_block_module_remove' was not declared. Should it be static?
> 

Btw, the last warning appears to be a false positive as
sst_block_module_remove is exported as GPL symbol.

Liam

> This patch removes this warning.
> 
> Signed-off-by: Liam Girdwood <liam.r.girdwood at linux.intel.com>
> ---
>  sound/soc/intel/sst-firmware.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/intel/sst-firmware.c b/sound/soc/intel/sst-firmware.c
> index 31cd154..dee7eb5 100644
> --- a/sound/soc/intel/sst-firmware.c
> +++ b/sound/soc/intel/sst-firmware.c
> @@ -30,7 +30,7 @@
>  #include "sst-dsp.h"
>  #include "sst-dsp-priv.h"
>  
> -static void sst_memcpy32(void *dest, void *src, u32 bytes)
> +static void sst_memcpy32(volatile void __iomem *dest, void *src, u32 bytes)
>  {
>  	u32 i;
>