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drivers: usb: xhci-fsl: Implement Erratum A-010151 for FSL USB3 controller

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Currently the controller by default enables the Receive Detect feature in P3
mode in USB 3.0 PHY. However, USB 3.0 PHY does not reliably support receive
detection in P3 mode.
Enabling the USB3 controller to configure USB in P2 mode whenever the Receive
Detect feature is required.

Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
This commit is contained in:
Sriram Dash
2016-09-23 12:57:52 +05:30
committed by Marek Vasut
parent c609775e6f
commit 4c043712e9
4 changed files with 41 additions and 0 deletions
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1
include/linux/usb/dwc3.h
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@ -198,6 +198,7 @@ struct dwc3 { /* offset: 0xC100 */
/* Global USB3 PIPE Control Register */
#define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31)
#define DWC3_GUSB3PIPECTL_DISRXDETP3 (1 << 28)
#define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17)
/* Global TX Fifo Size Register */