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authorJean-Jacques Hiblot <jjhiblot@ti.com>2019-09-11 11:33:50 +0200
committerMarek Vasut <marek.vasut+renesas@gmail.com>2019-10-24 11:28:17 +0200
commitb575e909168ca559609f6793720c4811b1dd55fd (patch)
tree40026db9baaef21128b34a37de4a390acdcc0d0d /board/netgear
parent1af590df164f88fffb6484842eec8c8d8e500e70 (diff)
usb: dwc3-generic: add a new host driver that uses the dwc3 core
Currently the host driver used by dwc3-generic is "xhci-dwc3". This is a functional driver but it doesn't use the dwc3 core and, in particular, it lacks some bits that may be important. For example on the k2 platforms, it is important that the phy are properly suspended when the USB is not used anymore. The dwc3 core also has a partial support for quirks. The new driver can be used as a drop-in replacement for "xhci-dwc3". In terms of implementation, it may seem strange that 2 private structures dwc3_generic_host_priv and dwc3_generic_priv) are used. The reason for this is simply that the xhci layer expects a struct xhci_ctrl at the beginning of the private data and it seemed wasteful to include it also for the peripheral case. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
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