shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-05 18:41:58 +09:00
Code Issues Packages Projects Releases Wiki Activity

usb: xhci-mtk: set the dma max_seg_size

Browse Source 
commit 9fd10829a9 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: 0cbd4b34cd ("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 c0ebcc7e7f
commit cf8203ea19
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

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

@@ -590,6 +590,7 @@ static int xhci_mtk_probe(struct platform_device *pdev)
} }
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;