linux-kernel - Re: [PATCH] usb: dwc3: set the dma max_seg

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Message-ID: <2023102753-spirits-aerobics-c2c6@gregkh>
Date:   Fri, 27 Oct 2023 12:51:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Ricardo Ribalda <ribalda@...omium.org>
Cc:     Zubin Mithra <zsm@...omium.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: dwc3: set the dma max_seg_size

On Thu, Oct 26, 2023 at 12:28:36PM +0000, Ricardo Ribalda wrote:
> Allow devices to have dma operations beyond 4K, and avoid warnings such
> as:
> 
> DMA-API: dwc3 a600000.usb: mapping sg segment longer than device claims to support [len=86016] [max=65536]
> 
> Reported-by: Zubin Mithra <zsm@...omium.org>
> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
> ---
> Found while running 
> yavta -f YUYV -s 1280x720 -c  /dev/video0
> 
> with:
> 
> CONFIG_DMA_API_DEBUG=y
> ---
>  drivers/usb/dwc3/core.c | 2 ++
>  1 file changed, 2 insertions(+)

What commit id does this fix?

thanks,

greg k-h