linux-kernel - Re: [PATCH] spi: microchip-core: Remove the unused function mchp_corespi

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Date:   Mon, 17 Oct 2022 10:49:38 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     conor.dooley@...rochip.com, daire.mcnamara@...rochip.com,
        broonie@...nel.org, linux-riscv@...ts.infradead.org,
        linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH] spi: microchip-core: Remove the unused function
 mchp_corespi_enable()

On Mon, Oct 17, 2022 at 05:21:41PM +0800, Jiapeng Chong wrote:
> The function mchp_corespi_enable() is defined in the spi-microchip-core.c
> file, but not called elsewhere, so delete this unused function.
> 
> drivers/spi/spi-microchip-core.c:122:20: warning: unused function 'mchp_corespi_enable'.
> 
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2418
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
>  drivers/spi/spi-microchip-core.c | 9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/drivers/spi/spi-microchip-core.c b/drivers/spi/spi-microchip-core.c
> index d352844c798c..aeaa1da88f39 100644
> --- a/drivers/spi/spi-microchip-core.c
> +++ b/drivers/spi/spi-microchip-core.c
> @@ -119,15 +119,6 @@ static inline void mchp_corespi_write(struct mchp_corespi *spi, unsigned int reg
>  	writel(val, spi->regs + reg);
>  }
>  
> -static inline void mchp_corespi_enable(struct mchp_corespi *spi)
> -{
> -	u32 control = mchp_corespi_read(spi, REG_CONTROL);
> -
> -	control |= CONTROL_ENABLE;
> -
> -	mchp_corespi_write(spi, REG_CONTROL, control);
> -}

That's a bit silly... Thanks Jiapeng.
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>

> -
>  static inline void mchp_corespi_disable(struct mchp_corespi *spi)
>  {
>  	u32 control = mchp_corespi_read(spi, REG_CONTROL);
> -- 
> 2.20.1.7.g153144c
>