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usb: xhci-mtk: make IPPC register optional

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Make IPPC register optional to support host side of dual-role mode,
due to it is moved into common glue layer for simplification.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun
2016-10-19 10:28:22 +08:00
committed by Greg Kroah-Hartman
parent 77100acca9
commit 065d48cf40
2 changed files with 32 additions and 7 deletions
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drivers/usb/host/xhci-mtk.h
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@@ -118,6 +118,7 @@ struct xhci_hcd_mtk {
struct usb_hcd *hcd;
struct mu3h_sch_bw_info *sch_array;
struct mu3c_ippc_regs __iomem *ippc_regs;
bool has_ippc;
int num_u2_ports;
int num_u3_ports;
struct regulator *vusb33;