linux-kernel - Re: [PATCH] dmaengine: ti: edma: Remove the unused function edma

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Date:   Wed, 19 Oct 2022 19:16:07 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     peter.ujfalusi@...il.com, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH] dmaengine: ti: edma: Remove the unused function
 edma_and()

On 18-10-22, 16:38, Jiapeng Chong wrote:
> The function edma_and() is defined in the edma.c file, but not called
> elsewhere, so remove this unused function.
> 
> drivers/dma/ti/edma.c:321:20: warning: unused function 'edma_and'.
> 
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2430
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>

Where is this report?

> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
>  drivers/dma/ti/edma.c | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
> index fa06d7e6d8e3..9ea91c640c32 100644
> --- a/drivers/dma/ti/edma.c
> +++ b/drivers/dma/ti/edma.c
> @@ -318,14 +318,6 @@ static inline void edma_modify(struct edma_cc *ecc, int offset, unsigned and,
>  	edma_write(ecc, offset, val);
>  }
>  
> -static inline void edma_and(struct edma_cc *ecc, int offset, unsigned and)
> -{
> -	unsigned val = edma_read(ecc, offset);
> -
> -	val &= and;
> -	edma_write(ecc, offset, val);
> -}
> -
>  static inline void edma_or(struct edma_cc *ecc, int offset, unsigned or)
>  {
>  	unsigned val = edma_read(ecc, offset);
> -- 
> 2.20.1.7.g153144c

-- 
~Vinod