Re: [PATCH v4 13/36] nds32: Device specific operations

From: Arnd Bergmann
Date: Mon Dec 18 2017 - 06:26:30 EST


On Mon, Dec 18, 2017 at 7:46 AM, Greentime Hu <green.hu@xxxxxxxxx> wrote:

> +#define __ASM_NDS32_IO_H
> +
> +extern void iounmap(void __iomem *addr);

The prototype here should probably include 'volatile' to avoid warnings in an
allmodconfig build.

Arnd