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authorRicardo Ribalda <ribalda@chromium.org>2023-10-27 14:28:20 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-11-21 17:31:14 +0300
commit8bbae288a85abed6a1cf7d185d8b9dc2f5dcb12c (patch)
tree1cf6eb13bb8f5f7cb566d32d99b9dec40da2fd08 /drivers/usb/dwc3
parent974bba5c118f4c2baf00de0356e3e4f7928b4cbc (diff)
downloadlinux-8bbae288a85abed6a1cf7d185d8b9dc2f5dcb12c.tar.xz
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: 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>
Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 0328c86ef806..b101dbf8c5dc 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -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: