linux-kernel - Re: [PATCH] ethernet: ti: am65-cpts: Add missing inline qualifier to stub functions

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Message-Id: <20200515.163338.1424746250972517404.davem@davemloft.net>
Date:   Fri, 15 May 2020 16:33:38 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     natechancellor@...il.com
Cc:     kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH] ethernet: ti: am65-cpts: Add missing inline qualifier
 to stub functions

From: Nathan Chancellor <natechancellor@...il.com>
Date: Fri, 15 May 2020 15:33:18 -0700

> When building with Clang:
> 
> In file included from drivers/net/ethernet/ti/am65-cpsw-ethtool.c:15:
> drivers/net/ethernet/ti/am65-cpts.h:58:12: warning: unused function
> 'am65_cpts_ns_gettime' [-Wunused-function]
> static s64 am65_cpts_ns_gettime(struct am65_cpts *cpts)
>            ^
> drivers/net/ethernet/ti/am65-cpts.h:63:12: warning: unused function
> 'am65_cpts_estf_enable' [-Wunused-function]
> static int am65_cpts_estf_enable(struct am65_cpts *cpts,
>            ^
> drivers/net/ethernet/ti/am65-cpts.h:69:13: warning: unused function
> 'am65_cpts_estf_disable' [-Wunused-function]
> static void am65_cpts_estf_disable(struct am65_cpts *cpts, int idx)
>             ^
> 3 warnings generated.
> 
> These functions need to be marked as inline, which adds __maybe_unused,
> to avoid these warnings, which is the pattern for stub functions.
> 
> Fixes: ec008fa2a9e5 ("ethernet: ti: am65-cpts: add routines to support taprio offload")
> Link: https://github.com/ClangBuiltLinux/linux/issues/1026
> Signed-off-by: Nathan Chancellor <natechancellor@...il.com>

Applied, thanks.