linux-kernel - Re: [PATCH] dmaengine: ti: edma: Remove some unused functions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 26 Sep 2022 21:00:54 +0300
From:   Péter Ujfalusi <peter.ujfalusi@...il.com>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     vkoul@...nel.org, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH] dmaengine: ti: edma: Remove some unused functions



On 9/14/22 13:19, Jiapeng Chong wrote:
> These functions are defined in the edma.c file, but not called elsewhere,
> so delete these unused functions.
> 
> drivers/dma/ti/edma.c:746:31: warning: unused function 'to_edma_cc'.
> drivers/dma/ti/edma.c:420:20: warning: unused function 'edma_param_or'.
> drivers/dma/ti/edma.c:414:20: warning: unused function 'edma_param_and'.
> drivers/dma/ti/edma.c:402:20: warning: unused function 'edma_param_write'.
> drivers/dma/ti/edma.c:373:28: warning: unused function 'edma_shadow0_read'.
> drivers/dma/ti/edma.c:396:28: warning: unused function 'edma_param_read'.
> drivers/dma/ti/edma.c:355:20: warning: unused function 'edma_or_array'.

Acked-by: Peter Ujfalusi <peter.ujfalusi@...il.com>

> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2152
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
>  drivers/dma/ti/edma.c | 40 ----------------------------------------
>  1 file changed, 40 deletions(-)
> 
> diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
> index 4cbca80ee16e..fa06d7e6d8e3 100644
> --- a/drivers/dma/ti/edma.c
> +++ b/drivers/dma/ti/edma.c
> @@ -352,12 +352,6 @@ static inline void edma_modify_array(struct edma_cc *ecc, int offset, int i,
>  	edma_modify(ecc, offset + (i << 2), and, or);
>  }
>  
> -static inline void edma_or_array(struct edma_cc *ecc, int offset, int i,
> -				 unsigned or)
> -{
> -	edma_or(ecc, offset + (i << 2), or);
> -}
> -
>  static inline void edma_or_array2(struct edma_cc *ecc, int offset, int i, int j,
>  				  unsigned or)
>  {
> @@ -370,11 +364,6 @@ static inline void edma_write_array2(struct edma_cc *ecc, int offset, int i,
>  	edma_write(ecc, offset + ((i * 2 + j) << 2), val);
>  }
>  
> -static inline unsigned int edma_shadow0_read(struct edma_cc *ecc, int offset)
> -{
> -	return edma_read(ecc, EDMA_SHADOW0 + offset);
> -}
> -
>  static inline unsigned int edma_shadow0_read_array(struct edma_cc *ecc,
>  						   int offset, int i)
>  {
> @@ -393,36 +382,12 @@ static inline void edma_shadow0_write_array(struct edma_cc *ecc, int offset,
>  	edma_write(ecc, EDMA_SHADOW0 + offset + (i << 2), val);
>  }
>  
> -static inline unsigned int edma_param_read(struct edma_cc *ecc, int offset,
> -					   int param_no)
> -{
> -	return edma_read(ecc, EDMA_PARM + offset + (param_no << 5));
> -}
> -
> -static inline void edma_param_write(struct edma_cc *ecc, int offset,
> -				    int param_no, unsigned val)
> -{
> -	edma_write(ecc, EDMA_PARM + offset + (param_no << 5), val);
> -}
> -
>  static inline void edma_param_modify(struct edma_cc *ecc, int offset,
>  				     int param_no, unsigned and, unsigned or)
>  {
>  	edma_modify(ecc, EDMA_PARM + offset + (param_no << 5), and, or);
>  }
>  
> -static inline void edma_param_and(struct edma_cc *ecc, int offset, int param_no,
> -				  unsigned and)
> -{
> -	edma_and(ecc, EDMA_PARM + offset + (param_no << 5), and);
> -}
> -
> -static inline void edma_param_or(struct edma_cc *ecc, int offset, int param_no,
> -				 unsigned or)
> -{
> -	edma_or(ecc, EDMA_PARM + offset + (param_no << 5), or);
> -}
> -
>  static void edma_assign_priority_to_queue(struct edma_cc *ecc, int queue_no,
>  					  int priority)
>  {
> @@ -743,11 +708,6 @@ static void edma_free_channel(struct edma_chan *echan)
>  	edma_setup_interrupt(echan, false);
>  }
>  
> -static inline struct edma_cc *to_edma_cc(struct dma_device *d)
> -{
> -	return container_of(d, struct edma_cc, dma_slave);
> -}
> -
>  static inline struct edma_chan *to_edma_chan(struct dma_chan *c)
>  {
>  	return container_of(c, struct edma_chan, vchan.chan);

-- 
Péter