linux-kernel - Re: [PATCH dmaengine 1/2] dmaengine: at

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Message-ID: <af7028da-34cc-42e5-8768-b6218ebae3f2@linaro.org>
Date: Fri, 21 Nov 2025 10:52:03 +0200
From: Eugen Hristev <eugen.hristev@...aro.org>
To: Rosen Penev <rosenp@...il.com>, dmaengine@...r.kernel.org
Cc: Vinod Koul <vkoul@...nel.org>,
 Ludovic Desroches <ludovic.desroches@...rochip.com>,
 open list <linux-kernel@...r.kernel.org>,
 "moderated list:MICROCHIP AT91 DMA DRIVERS"
 <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH dmaengine 1/2] dmaengine: at_hdmac: fix formats under
 64-bit



On 11/6/25 04:24, Rosen Penev wrote:
> size_t formats under 32-bit evaluate to the same thing and GCC does not
> warn against it. Not the case with 64-bit.
> 
> Signed-off-by: Rosen Penev <rosenp@...il.com>

Reviewed-by: Eugen Hristev <eugen.hristev@...aro.org>

> ---
>  drivers/dma/at_hdmac.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
> index 2d147712cbc6..7d226453961f 100644
> --- a/drivers/dma/at_hdmac.c
> +++ b/drivers/dma/at_hdmac.c
> @@ -887,7 +887,7 @@ atc_prep_dma_interleaved(struct dma_chan *chan,
>  	first = xt->sgl;
>  
>  	dev_info(chan2dev(chan),
> -		 "%s: src=%pad, dest=%pad, numf=%d, frame_size=%d, flags=0x%lx\n",
> +		 "%s: src=%pad, dest=%pad, numf=%zu, frame_size=%zu, flags=0x%lx\n",
>  		__func__, &xt->src_start, &xt->dst_start, xt->numf,
>  		xt->frame_size, flags);
>  
> @@ -1174,7 +1174,7 @@ atc_prep_dma_memset_sg(struct dma_chan *chan,
>  	int			i;
>  	int			ret;
>  
> -	dev_vdbg(chan2dev(chan), "%s: v0x%x l0x%zx f0x%lx\n", __func__,
> +	dev_vdbg(chan2dev(chan), "%s: v0x%x l0x%x f0x%lx\n", __func__,
>  		 value, sg_len, flags);
>  
>  	if (unlikely(!sgl || !sg_len)) {
> @@ -1503,7 +1503,7 @@ atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
>  	unsigned int		periods = buf_len / period_len;
>  	unsigned int		i;
>  
> -	dev_vdbg(chan2dev(chan), "prep_dma_cyclic: %s buf@...d - %d (%d/%d)\n",
> +	dev_vdbg(chan2dev(chan), "prep_dma_cyclic: %s buf@...d - %d (%zu/%zu)\n",
>  			direction == DMA_MEM_TO_DEV ? "TO DEVICE" : "FROM DEVICE",
>  			&buf_addr,
>  			periods, buf_len, period_len);