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Commit 7344ee32 authored by Mathias Nyman's avatar Mathias Nyman Committed by Greg Kroah-Hartman
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xhci: add definitions for all port link states 



Add definitions for all port link states defined in xhci
specification for PORTSC register.

Will be needed for human readable port status tracing

Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 00ad66ea

drivers/usb/host/xhci.h

+8 −1
Original line number Diff line number Diff line
@@ -311,12 +311,19 @@ struct xhci_op_regs { 
 */

#define PORT_PLS_MASK	(0xf << 5)

#define XDEV_U0		(0x0 << 5)

#define XDEV_U1		(0x1 << 5)

#define XDEV_U2		(0x2 << 5)

#define XDEV_U3		(0x3 << 5)

#define XDEV_DISABLED	(0x4 << 5)

#define XDEV_RXDETECT	(0x5 << 5)

#define XDEV_INACTIVE	(0x6 << 5)

#define XDEV_POLLING	(0x7 << 5)

#define XDEV_RECOVERY	(0x8 << 5)

#define XDEV_HOT_RESET	(0x9 << 5)

#define XDEV_COMP_MODE	(0xa << 5)

#define XDEV_TEST_MODE	(0xb << 5)

#define XDEV_RESUME	(0xf << 5)



/* true: port has power (see HCC_PPC) */

#define PORT_POWER	(1 << 9)

/* bits 10:13 indicate device speed: