Re: [PATCH] nvmem: include linux/err.h from header

[Srinivas Kandagatla]

On 10/07/17 12:22, Arnd Bergmann wrote:
> The new support for nvmem devices from the rtc layer caused a build
> error in some configurations:
>
> include/linux/nvmem-provider.h: In function 'nvmem_register':
> include/linux/nvmem-provider.h:51:9: error: implicit declaration of function 'ERR_PTR' [-Werror=implicit-function-declaration]
>
> This adds the missing include to ensure we can always include
> the header.
>
> Fixes: 697e5a47aa12 ("rtc: add generic nvmem support")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> I'd suggest adding this patch in the rtc tree on top of the
> nvmem support there.

Thanks for the patch, we would need similar patch for 
include/linux/nvmem-consumer.h too.


Acked-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>

> ---
>   include/linux/nvmem-provider.h | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
> index cd93416d762e..497706f5adca 100644
> --- a/include/linux/nvmem-provider.h
> +++ b/include/linux/nvmem-provider.h
> @@ -12,6 +12,9 @@
>   #ifndef _LINUX_NVMEM_PROVIDER_H
>   #define _LINUX_NVMEM_PROVIDER_H
>   
> +#include <linux/err.h>
> +#include <linux/errno.h>
> +
>   struct nvmem_device;
>   struct nvmem_cell_info;
>   typedef int (*nvmem_reg_read_t)(void *priv, unsigned int offset,