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authorHans de Goede <hdegoede@redhat.com>2015-01-16 18:54:01 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-01-25 15:59:43 +0300
commit99705092a83f0202d2b64c1b754a831464c5ce90 (patch)
treef402691ab5511886bd15cc249ff87e6a754eeff4 /drivers
parent524134d422316a59d5464ccbc12036bbe90c5563 (diff)
downloadlinux-99705092a83f0202d2b64c1b754a831464c5ce90.tar.xz
xhci: Print hcc params, version and quirks on init
To help debugging xhci problems. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/host/xhci.c4
-rw-r--r--drivers/usb/host/xhci.h2
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1b0c91f12da2..15d8c221442f 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -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);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index e23f31d029a3..974514762a14 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -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.