netdev - Re: [PATCH][next] dmaengine: Use fallthrough pseudo-keyword

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Date:   Wed, 5 Aug 2020 18:49:22 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Li Yang <leoyang.li@....com>, Zhang Wei <zw@...kernel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Andrii Nakryiko <andriin@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Subject: Re: [PATCH][next] dmaengine: Use fallthrough pseudo-keyword

On 27-07-20, 15:34, Gustavo A. R. Silva wrote:

> diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
> index 2c508ee672b9..9b69716172a4 100644
> --- a/drivers/dma/pl330.c
> +++ b/drivers/dma/pl330.c
> @@ -1061,16 +1061,16 @@ static bool _start(struct pl330_thread *thrd)
>  
>  		if (_state(thrd) == PL330_STATE_KILLING)
>  			UNTIL(thrd, PL330_STATE_STOPPED)
> -		/* fall through */
> +		fallthrough;
>  
>  	case PL330_STATE_FAULTING:
>  		_stop(thrd);
> -		/* fall through */
> +		fallthrough;
>  
>  	case PL330_STATE_KILLING:
>  	case PL330_STATE_COMPLETING:
>  		UNTIL(thrd, PL330_STATE_STOPPED)
> -		/* fall through */
> +		fallthrough;
>  
>  	case PL330_STATE_STOPPED:
>  		return _trigger(thrd);
> @@ -1121,7 +1121,6 @@ static u32 _emit_load(unsigned int dry_run, u8 buf[],
>  
>  	switch (direction) {
>  	case DMA_MEM_TO_MEM:
> -		/* fall through */
>  	case DMA_MEM_TO_DEV:
>  		off += _emit_LD(dry_run, &buf[off], cond);
>  		break;
> @@ -1155,7 +1154,6 @@ static inline u32 _emit_store(unsigned int dry_run, u8 buf[],
>  
>  	switch (direction) {
>  	case DMA_MEM_TO_MEM:
> -		/* fall through */
>  	case DMA_DEV_TO_MEM:
>  		off += _emit_ST(dry_run, &buf[off], cond);
>  		break;
> @@ -1216,7 +1214,6 @@ static int _bursts(struct pl330_dmac *pl330, unsigned dry_run, u8 buf[],
>  
>  	switch (pxs->desc->rqtype) {
>  	case DMA_MEM_TO_DEV:
> -		/* fall through */
>  	case DMA_DEV_TO_MEM:
>  		off += _ldst_peripheral(pl330, dry_run, &buf[off], pxs, cyc,
>  			cond);
> @@ -1266,7 +1263,6 @@ static int _dregs(struct pl330_dmac *pl330, unsigned int dry_run, u8 buf[],
>  
>  	switch (pxs->desc->rqtype) {
>  	case DMA_MEM_TO_DEV:
> -		/* fall through */

replacement missed here and above few

-- 
~Vinod