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From: Arnd Bergmann <arnd@arndb.de>
To: Xiubo Li <lixiubo@cmss.chinamobile.com>
Cc: broonie@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] regmap: add 64-bit mode support
Date: Wed, 09 Dec 2015 09:45:59 +0100
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On Thursday 03 December 2015 17:31:52 Xiubo Li wrote:
> @@ -2488,11 +2581,17 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
>                                  * we assume that the values are native
>                                  * endian.
>                                  */
> +                               u64 *u64 = val;
>                                 u32 *u32 = val;
>                                 u16 *u16 = val;
>                                 u8 *u8 = val;
>  
>                                 switch (map->format.val_bytes) {
> +#ifdef CONFIG_64BIT
> +                               case 8:
> +                                       u64[i] = ival;
> +                                       break;
> +#endif
>                                 case 4:
>                                         u32[i] = ival;
>                                         break;
> 

This now gives me:

drivers/base/regmap/regmap.c: In function 'regmap_bulk_read':
drivers/base/regmap/regmap.c:2584:10: warning: unused variable 'u64' [-Wunused-variable]
     u64 *u64 = val;
          ^


	Arnd