brcmsmac: Add tracepoint for macintstatus

Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 24 insertions, 4 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h b/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h
index 96a962abc89a..2ef7580af679 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h
+++ b/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h
@@ -85,6 +85,26 @@ TRACE_EVENT(brcms_dpc,
         )
 );
 
+TRACE_EVENT(brcms_macintstatus,
+        TP_PROTO(const struct device *dev, int in_isr, u32 macintstatus,
+                 u32 mask),
+        TP_ARGS(dev, in_isr, macintstatus, mask),
+        TP_STRUCT__entry(
+                __string(dev, dev_name(dev))
+                __field(int, in_isr)
+                __field(u32, macintstatus)
+                __field(u32, mask)
+        ),
+        TP_fast_assign(
+                __assign_str(dev, dev_name(dev));
+                __entry->in_isr = in_isr;
+                __entry->macintstatus = macintstatus;
+                __entry->mask = mask;
+        ),
+        TP_printk("[%s] in_isr=%d macintstatus=%#x mask=%#x", __get_str(dev),
+                  __entry->in_isr, __entry->macintstatus, __entry->mask)
+);
+
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM brcmsmac_tx
 
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index 9480debef755..241bc2551235 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -2552,13 +2552,13 @@ static inline u32 wlc_intstatus(struct brcms_c_info *wlc, bool in_isr)
 {
         struct brcms_hardware *wlc_hw = wlc->hw;
         struct bcma_device *core = wlc_hw->d11core;
-        u32 macintstatus;
+        u32 macintstatus, mask;
 
         /* macintstatus includes a DMA interrupt summary bit */
         macintstatus = bcma_read32(core, D11REGOFFS(macintstatus));
+        mask = in_isr ? wlc->macintmask : wlc->defmacintmask;
 
-        brcms_dbg_int(core, "wl%d: macintstatus: 0x%x\n", wlc_hw->unit,
-                      macintstatus);
+        trace_brcms_macintstatus(&core->dev, in_isr, macintstatus, mask);
 
         /* detect cardbus removed, in power down(suspend) and in reset */
         if (brcms_deviceremoved(wlc))
@@ -2571,7 +2571,7 @@ static inline u32 wlc_intstatus(struct brcms_c_info *wlc, bool in_isr)
                 return 0;
 
         /* defer unsolicited interrupts */
-        macintstatus &= (in_isr ? wlc->macintmask : wlc->defmacintmask);
+        macintstatus &= mask;
 
         /* if not for us */
         if (macintstatus == 0)