Re: [PATCH net-next v3 2/3] net: fsl: Allow most drivers to be built with COMPILE_TEST

From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 17 Nov 2016 11:47:02 +0100

On Thursday, November 17, 2016 9:38:23 AM CET Fengguang Wu wrote:

quoted

include/asm-generic/io.h conditionally defines iounmap() to be an
empty inline function, which may explain the warning on sh4.

General speaking, it's a false warning. The solution could be to teach
the robot to ignore such 'unused variable' warnings in non-x86 archs.

I think we should change the iounmap stub macro into an inline function.

Agreed.