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>

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 0328c86ef80613a8e3296c3cab8ee6a94a96604d..b101dbf8c5dcc775797da2ce3ea0f2c34ebd9323 100644 (file)
--- 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: