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usb: dwc3: set the dma max_seg_size

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commit 8bbae288a85abed6a1cf7d185d8b9dc2f5dcb12c upstream.

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@vger.kernel.org
Fixes: 72246da40f ("usb: Introduce DesignWare USB3 DRD Driver")
Reported-by: Zubin Mithra <zsm@chromium.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20231026-dwc3-v2-1-1d4fd5c3e067@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo Ribalda 2023-10-27 11:28:20 +00:00 committed by Greg Kroah-Hartman
parent 7a0b6fc6c3
commit ca44455362
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/dwc3/core.c
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@ -1556,6 +1556,8 @@ static int dwc3_probe(struct platform_device *pdev)
pm_runtime_put(dev);
dma_set_max_seg_size(dev, UINT_MAX);
return 0;
err5: