Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / rts5208 / trace.c

diff --git a/kernel/drivers/staging/rts5208/trace.c b/kernel/drivers/staging/rts5208/trace.c
new file mode 100644 (file)
index 0000000..1bddbdf
--- /dev/null
+++ b/kernel/drivers/staging/rts5208/trace.c
@@ -0,0 +1,26 @@
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+#include "rtsx.h"
+
+#ifdef _MSG_TRACE
+
+void _rtsx_trace(struct rtsx_chip *chip, const char *file, const char *func,
+                int line)
+{
+       struct trace_msg_t *msg = &chip->trace_msg[chip->msg_idx];
+
+       file = kbasename(file);
+       dev_dbg(rtsx_dev(chip), "[%s][%s]:[%d]\n", file, func, line);
+
+       strncpy(msg->file, file, MSG_FILE_LEN - 1);
+       strncpy(msg->func, func, MSG_FUNC_LEN - 1);
+       msg->line = (u16)line;
+       get_current_time(msg->timeval_buf, TIME_VAL_LEN);
+       msg->valid = 1;
+
+       chip->msg_idx++;
+       if (chip->msg_idx >= TRACE_ITEM_CNT)
+               chip->msg_idx = 0;
+}
+#endif