linux-kernel - Re: [PATCH] fpga: xilinx-pr-decoupler: remove unused xlnx_pr_decouple

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Date:   Sat, 18 Mar 2023 17:59:20 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     Tom Rix <trix@...hat.com>
Cc:     mdf@...nel.org, hao.wu@...el.com, michal.simek@...inx.com,
        nathan@...nel.org, ndesaulniers@...gle.com,
        linux-fpga@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH] fpga: xilinx-pr-decoupler: remove unused
 xlnx_pr_decouple_read function

On 2023-03-17 at 19:06:17 -0400, Tom Rix wrote:
> clang with W=1 reports
> drivers/fpga/xilinx-pr-decoupler.c:37:19: error: unused function 'xlnx_pr_decouple_read' [-Werror,-Wunused-function]
> static inline u32 xlnx_pr_decouple_read(const struct xlnx_pr_decoupler_data *d,
>                   ^
> This static function is not used, so remove it.

I prefer to move the description as the first section. If you agree, I
could do it before apply.

Acked-by: Xu Yilun <yilun.xu@...el.com>

> 
> Signed-off-by: Tom Rix <trix@...hat.com>
> ---
>  drivers/fpga/xilinx-pr-decoupler.c | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/fpga/xilinx-pr-decoupler.c b/drivers/fpga/xilinx-pr-decoupler.c
> index 2d9c491f7be9..b6f18c07c752 100644
> --- a/drivers/fpga/xilinx-pr-decoupler.c
> +++ b/drivers/fpga/xilinx-pr-decoupler.c
> @@ -34,12 +34,6 @@ static inline void xlnx_pr_decoupler_write(struct xlnx_pr_decoupler_data *d,
>  	writel(val, d->io_base + offset);
>  }
>  
> -static inline u32 xlnx_pr_decouple_read(const struct xlnx_pr_decoupler_data *d,
> -					u32 offset)
> -{
> -	return readl(d->io_base + offset);
> -}
> -
>  static int xlnx_pr_decoupler_enable_set(struct fpga_bridge *bridge, bool enable)
>  {
>  	int err;
> -- 
> 2.27.0
>