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

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Message-ID: <Y2UkYnTIG4BywIQE@matsya>
Date:   Fri, 4 Nov 2022 20:10:34 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     "Jiapeng.Chong" <jiapeng.chong@...ux.alibaba.com>
Cc:     "peter.ujfalusi" <peter.ujfalusi@...il.com>,
        dmaengine <dmaengine@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: 回复：[PATCH] dmaengine: ti:
 edma: Remove the unused function edma_and()

On 20-10-22, 10:10, Jiapeng.Chong wrote:
> The report is the link, which can be seen in the submitted patch description. Thank you.

Pls dont top post!

> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2430

This bug says: "ABACI reported the following bug by code static
scanning"

Where is the ABACI report?

> ------------------------------------------------------------------
> 发件人：Vinod Koul <vkoul@...nel.org>
> 发送时间：2022年10月19日(星期三) 21:46
> 收件人：Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> 抄　送：peter.ujfalusi <peter.ujfalusi@...il.com>; dmaengine <dmaengine@...r.kernel.org>; linux-kernel <linux-kernel@...r.kernel.org>; Abaci Robot <abaci@...ux.alibaba.com>
> 主　题：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

-- 
~Vinod