Hi Thinh On Wed, 1 Nov 2023 at 00:22, Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx> wrote: > > On Fri, Oct 27, 2023, 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] > > > > Cc: stable@xxxxxxxxxxxxxxx > > Fixes: 72246da40f37 ("usb: Introduce DesignWare USB3 DRD Driver") > > Reported-by: Zubin Mithra <zsm@xxxxxxxxxxxx> > > Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx> > > --- > > Found while running > > yavta -f YUYV -s 1280x720 -c /dev/video0 > > > > with: > > > > CONFIG_DMA_API_DEBUG=y > > --- > > Changes in v2: > > - Add stable tag > > - Link to v1: https://urldefense.com/v3/__https://lore.kernel.org/r/20231026-dwc3-v1-1-643c74771599@chromium.org__;!!A4F2R9G_pg!b22b7Wx1QOpnFtMi7rJ0TS-rhOnMmy_sOCX3kdfln7ezNjslyMhBwHvWaXbK8D5BkKPjjn3HdID-7Ls5R3eR_4o$ > > --- > > drivers/usb/dwc3/core.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c > > index 343d2570189f..65f73dd8ef47 100644 > > --- a/drivers/usb/dwc3/core.c > > +++ b/drivers/usb/dwc3/core.c > > @@ -1918,6 +1918,8 @@ static int dwc3_probe(struct platform_device *pdev) > > > > pm_runtime_put(dev); > > > > + dma_set_max_seg_size(dev, UINT_MAX); > > + > > return 0; > > > > err_exit_debugfs: > > > > --- > > base-commit: 611da07b89fdd53f140d7b33013f255bf0ed8f34 > > change-id: 20231026-dwc3-fac74fcb3b2a > > > > Best regards, > > -- > > Ricardo Ribalda <ribalda@xxxxxxxxxxxx> > > > > Probably better to have the Closes: tag with the link to the reported > issue. Regardless, It was reported internally, so I have no link to share. In this cases it seems that Reported-by with no link in good enough: https://lore.kernel.org/all/ab557ae6-7550-189a-81dd-6e3346d84620@xxxxxxxxxxxxx/ > > Acked-by: Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx> Thanks! > > Thanks, > Thinh -- Ricardo Ribalda