usb: host: xhci-tegra: Add support for XUSB context save/restore

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The XUSB controller contains registers that need to be saved on suspend
and restored on resume in addition to the XHCI specific registers. Add
support for saving and restoring the XUSB specific context.

Based on work by JC Kuo <jckuo@nvidia.com>.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20191206140653.2085561-9-thierry.reding@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Thierry Reding 2019-12-06 15:06:51 +01:00 • committed by Greg Kroah-Hartman

parent 17926924be

commit 5c4e8d3781

1 changed files with 100 additions and 2 deletions

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drivers/usb/host/xhci-tegra.c

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