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Commit e0c92c32 authored by Ricardo Ribalda's avatar Ricardo Ribalda Committed by Greg Kroah-Hartman
Browse files

usb: xhci-mtk: set the dma max_seg_size 



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: 0cbd4b34 ("xhci: mediatek: support MTK xHCI host controller")
Cc: stable <stable@kernel.org>
Tested-by: default avatarZubin Mithra <zsm@chromium.org>
Reported-by: default avatarZubin Mithra <zsm@chromium.org>
Signed-off-by: default avatarRicardo Ribalda <ribalda@chromium.org>
Link: https://lore.kernel.org/r/20230628-mtk-usb-v2-1-c8c34eb9f229@chromium.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3f39d58a

drivers/usb/host/xhci-mtk.c

+1 −0
Original line number Diff line number Diff line
@@ -540,6 +540,7 @@ static int xhci_mtk_probe(struct platform_device *pdev) 
	}



	device_init_wakeup(dev, true);

	dma_set_max_seg_size(dev, UINT_MAX);



	xhci = hcd_to_xhci(hcd);

	xhci->main_hcd = hcd;