Commit 8bbae288 authored by Ricardo Ribalda's avatar Ricardo Ribalda Committed by Greg Kroah-Hartman
Browse files

usb: dwc3: set the dma max_seg_size 



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: 72246da4 ("usb: Introduce DesignWare USB3 DRD Driver")
Reported-by: default avatarZubin Mithra <zsm@chromium.org>
Signed-off-by: default avatarRicardo Ribalda <ribalda@chromium.org>
Acked-by: default avatarThinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20231026-dwc3-v2-1-1d4fd5c3e067@chromium.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 974bba5c

drivers/usb/dwc3/core.c

+2 −0
Original line number Diff line number Diff line
@@ -2034,6 +2034,8 @@ 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: