malhuda/msm-4.14
1
0
Fork 0
mirror of https://github.com/rd-stuffs/msm-4.14.git synced 2025-02-20 11:45:48 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

usb: xhci-mtk: set the dma max_seg_size

Browse Source 
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>
This commit is contained in:
Ricardo Ribalda 2023-07-19 13:01:04 +00:00 committed by Greg Kroah-Hartman
parent a276d17dcb
commit 9d32f38c52
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/usb/host/xhci-mtk.c
View File

@ -674,6 +674,7 @@ static int xhci_mtk_probe(struct platform_device *pdev)
goto exit_phys; goto exit_phys;
device_init_wakeup(dev, true); device_init_wakeup(dev, true);
dma_set_max_seg_size(dev, UINT_MAX);
xhci = hcd_to_xhci(hcd); xhci = hcd_to_xhci(hcd);
xhci->main_hcd = hcd; xhci->main_hcd = hcd;