4.14-stable review patch. If anyone has any objections, please let me know.
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From: Ricardo Ribalda ribalda@chromium.org
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: 72246da40f37 ("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 --- drivers/usb/dwc3/core.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1288,6 +1288,8 @@ static int dwc3_probe(struct platform_de dwc3_debugfs_init(dwc); pm_runtime_put(dev);
+ dma_set_max_seg_size(dev, UINT_MAX); + return 0;
err5: