Commit 99705092 authored by Hans de Goede's avatar Hans de Goede Committed by Greg Kroah-Hartman
Browse files

xhci: Print hcc params, version and quirks on init 



To help debugging xhci problems.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 524134d4

drivers/usb/host/xhci.c

+4 −0
Original line number Diff line number Diff line
@@ -4904,6 +4904,10 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) 
	if (retval)

		goto error;

	xhci_dbg(xhci, "Called HCD init\n");



	xhci_info(xhci, "hcc params 0x%08x hci version 0x%x quirks 0x%08x\n",

		  xhci->hcc_params, xhci->hci_version, xhci->quirks);



	return 0;

error:

	kfree(xhci);

drivers/usb/host/xhci.h

+2 −0
Original line number Diff line number Diff line
@@ -1605,6 +1605,8 @@ static inline struct usb_hcd *xhci_to_hcd(struct xhci_hcd *xhci) 
	dev_warn(xhci_to_hcd(xhci)->self.controller , fmt , ## args)

#define xhci_warn_ratelimited(xhci, fmt, args...) \

	dev_warn_ratelimited(xhci_to_hcd(xhci)->self.controller , fmt , ## args)

#define xhci_info(xhci, fmt, args...) \

	dev_info(xhci_to_hcd(xhci)->self.controller , fmt , ## args)



/*

 * Registers should always be accessed with double word or quad word accesses.