brcmsmac: Add support for writing debug messages to the trace buffer
Add a new brcmsmac_msg trace system to enable writing of debug messages
to the trace buffer, and add brcms_* macros for storing device debug
messages in the trace buffer in addition to the printk log buffer.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/debug.h b/drivers/net/wireless/brcm80211/brcmsmac/debug.h
new file mode 100644
index 0000000..6f2fe3b
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmsmac/debug.h
@@ -0,0 +1,40 @@
+#ifndef _BRCMS_DEBUG_H_
+#define _BRCMS_DEBUG_H_
+
+#include <linux/device.h>
+#include <linux/bcma/bcma.h>
+#include <net/cfg80211.h>
+#include <net/mac80211.h>
+#include "main.h"
+#include "mac80211_if.h"
+
+void __brcms_info(struct device *dev, const char *fmt, ...);
+void __brcms_warn(struct device *dev, const char *fmt, ...);
+void __brcms_err(struct device *dev, const char *fmt, ...);
+void __brcms_crit(struct device *dev, const char *fmt, ...);
+
+#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)
+void __brcms_dbg(struct device *dev, u32 level, const char *func,
+ const char *fmt, ...);
+#else
+static inline void __brcms_dbg(struct device *dev, u32 level,
+ const char *func, const char *fmt, ...)
+{
+}
+#endif
+
+/*
+ * Debug macros cannot be used when wlc is uninitialized. Generally
+ * this means any code that could run before brcms_c_attach() has
+ * returned successfully probably shouldn't use the following macros.
+ */
+
+#define brcms_dbg(core, l, f, a...) __brcms_dbg(&(core)->dev, l, __func__, f, ##a)
+#define brcms_info(core, f, a...) __brcms_info(&(core)->dev, f, ##a)
+#define brcms_warn(core, f, a...) __brcms_warn(&(core)->dev, f, ##a)
+#define brcms_err(core, f, a...) __brcms_err(&(core)->dev, f, ##a)
+#define brcms_crit(core, f, a...) __brcms_crit(&(core)->dev, f, ##a)
+
+#define brcms_dbg_info(core, f, a...) brcms_dbg(core, BRCM_DL_INFO, f, ##a)
+
+#endif /* _BRCMS_DEBUG_H_ */