xhci: add trace for debug messages related to quirks

This patch defines a new trace event, which is called xhci_dbg_quirks
and belongs in the event class xhci_log_msg, and adds tracepoints that
trace the debug messages associated with xHCs' quirks.

Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

1 files changed, 9 insertions, 5 deletions

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 72960684a942..c2d495057eb5 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -25,6 +25,7 @@
 #include <linux/module.h>
 
 #include "xhci.h"
+#include "xhci-trace.h"
 
 /* Device for a quirk */
 #define PCI_VENDOR_ID_FRESCO_LOGIC      0x1b73
@@ -64,16 +65,18 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
                 if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK &&
                                 pdev->revision == 0x0) {
                         xhci->quirks |= XHCI_RESET_EP_QUIRK;
-                        xhci_dbg(xhci, "QUIRK: Fresco Logic xHC needs configure"
-                                        " endpoint cmd after reset endpoint\n");
+                        xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+                                "QUIRK: Fresco Logic xHC needs configure"
+                                " endpoint cmd after reset endpoint");
                 }
                 /* Fresco Logic confirms: all revisions of this chip do not
                  * support MSI, even though some of them claim to in their PCI
                  * capabilities.
                  */
                 xhci->quirks |= XHCI_BROKEN_MSI;
-                xhci_dbg(xhci, "QUIRK: Fresco Logic revision %u "
-                                "has broken MSI implementation\n",
+                xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+                                "QUIRK: Fresco Logic revision %u "
+                                "has broken MSI implementation",
                                 pdev->revision);
                 xhci->quirks |= XHCI_TRUST_TX_LENGTH;
         }
@@ -110,7 +113,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
         if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
                         pdev->device == PCI_DEVICE_ID_ASROCK_P67) {
                 xhci->quirks |= XHCI_RESET_ON_RESUME;
-                xhci_dbg(xhci, "QUIRK: Resetting on resume\n");
+                xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+                                "QUIRK: Resetting on resume");
                 xhci->quirks |= XHCI_TRUST_TX_LENGTH;
         }
         if (pdev->vendor == PCI_VENDOR_ID_VIA)