From: Ricardo Ribalda ribalda@chromium.org
commit 9fd10829a9eb482e192a845675ecc5480e0bfa10 upstream.
Allow devices to have dma operations beyond 64K, and avoid warnings such as:
DMA-API: xhci-mtk 11200000.usb: mapping sg segment longer than device claims to support [len=98304] [max=65536]
Fixes: 0cbd4b34cda9 ("xhci: mediatek: support MTK xHCI host controller") Cc: stable stable@kernel.org Tested-by: Zubin Mithra zsm@chromium.org Reported-by: Zubin Mithra zsm@chromium.org Signed-off-by: Ricardo Ribalda ribalda@chromium.org Link: https://lore.kernel.org/r/20230628-mtk-usb-v2-1-c8c34eb9f229@chromium.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/host/xhci-mtk.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -535,6 +535,7 @@ static int xhci_mtk_probe(struct platfor }
device_init_wakeup(dev, true); + dma_set_max_seg_size(dev, UINT_MAX);
xhci = hcd_to_xhci(hcd); xhci->main_hcd = hcd;