netdev - Re: [PATCH net-next] net: ethernet: et131x: Remove unused variable 'pm

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Date:   Fri, 17 Jul 2020 18:43:59 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     zhangchangzhong@...wei.com
Cc:     mark.einon@...il.com, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: ethernet: et131x: Remove unused variable
 'pm_csr'

From: Zhang Changzhong <zhangchangzhong@...wei.com>
Date: Fri, 17 Jul 2020 18:33:30 +0800

> Gcc report warning as follows:
> 
> drivers/net/ethernet/agere/et131x.c:953:6: warning:
>  variable 'pm_csr' set but not used [-Wunused-but-set-variable]
>   953 |  u32 pm_csr;
>       |      ^~~~~~
> drivers/net/ethernet/agere/et131x.c:1002:6:warning:
>  variable 'pm_csr' set but not used [-Wunused-but-set-variable]
>  1002 |  u32 pm_csr;
>       |      ^~~~~~
> drivers/net/ethernet/agere/et131x.c:3446:8: warning:
>  variable 'pm_csr' set but not used [-Wunused-but-set-variable]
>  3446 |    u32 pm_csr;
>       |        ^~~~~~
> 
> After commit 38df6492eb51 ("et131x: Add PCIe gigabit ethernet driver
> et131x to drivers/net"), 'pm_csr' is never used in these functions,
> so removing it to avoid build warning.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>

Applied.