xhci: add port speed ID to portsc tracing (8f114877) · Commits · 戴 / test

Shows the port speed protocol speed ID (PSID) in use. speed ID may map to custom speeds, but in most cases it uses default 1 = Full-Speed 12 MB/s 2 = Low-Speed 1.5 Mb/s 3 = High-speed 480 Mb/s 4 = SuperSpeed 5 Gb/s 5 = SuperSpeedPlus 10 Gb/s Signed-off-by:

Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/xhci.h

+3 −2

Original line number	Diff line number	Diff line
		@@ -2441,11 +2441,12 @@ static inline const char *xhci_decode_portsc(u32 portsc)
		static char str[256];
		int ret;

		ret = sprintf(str, "%s %s %s Link:%s ",
		ret = sprintf(str, "%s %s %s Link:%s PortSpeed:%d ",
		portsc & PORT_POWER ? "Powered" : "Powered-off",
		portsc & PORT_CONNECT ? "Connected" : "Not-connected",
		portsc & PORT_PE ? "Enabled" : "Disabled",
		xhci_portsc_link_state_string(portsc));
		xhci_portsc_link_state_string(portsc),
		DEV_PORT_SPEED(portsc));

		if (portsc & PORT_OC)
		ret += sprintf(str + ret, "OverCurrent ");

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