mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

usb: dwc3: set the dma max_seg_size 

commit 8bbae288a8 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 7f5823453a
commit 7dfe8f6ecf
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/dwc3/core.c
View File

@ -1288,6 +1288,8 @@ static int dwc3_probe(struct platform_device *pdev)
dwc3_debugfs_init(dwc);
pm_runtime_put(dev);
dma_set_max_seg_size(dev, UINT_MAX);
return 0;
err5: