iwmc3200top: cleanup log messages

1. add TRACE level
2. use TRACE where needed to reduce the noise
3  don't INFOEX from driver
4. add DUMP level for packets dumps
5. use correct context for the log messages

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/misc/iwmc3200top/fw-download.c

@@ -43,7 +43,7 @@ static int iwmct_fw_parser_init(struct iwmct_priv *priv, const u8 *file,
 	struct iwmct_parser *parser = &priv->parser;
 	struct iwmct_fw_hdr *fw_hdr = &parser->versions;
 
-	LOG_INFOEX(priv, INIT, "-->\n");
+	LOG_TRACE(priv, FW_DOWNLOAD, "-->\n");
 
 	LOG_INFO(priv, FW_DOWNLOAD, "file_size=%zd\n", file_size);
 
@@ -69,7 +69,7 @@ static int iwmct_fw_parser_init(struct iwmct_priv *priv, const u8 *file,
 
 	parser->cur_pos += sizeof(struct iwmct_fw_hdr);
 
-	LOG_INFOEX(priv, INIT, "<--\n");
+	LOG_TRACE(priv, FW_DOWNLOAD, "<--\n");
 	return 0;
 }
 
@@ -112,7 +112,7 @@ static int iwmct_parse_next_section(struct iwmct_priv *priv, const u8 **p_sec,
 	struct iwmct_dbg *dbg = &priv->dbg;
 	struct iwmct_fw_sec_hdr *sec_hdr;
 
-	LOG_INFOEX(priv, INIT, "-->\n");
+	LOG_TRACE(priv, FW_DOWNLOAD, "-->\n");
 
 	while (parser->cur_pos + sizeof(struct iwmct_fw_sec_hdr)
 		<= parser->file_size) {
@@ -151,7 +151,7 @@ static int iwmct_parse_next_section(struct iwmct_priv *priv, const u8 **p_sec,
 			"finished with section cur_pos=%zd\n", parser->cur_pos);
 	}
 
-	LOG_INFOEX(priv, INIT, "<--\n");
+	LOG_TRACE(priv, INIT, "<--\n");
 	return 0;
 }
 
@@ -166,7 +166,7 @@ static int iwmct_download_section(struct iwmct_priv *priv, const u8 *p_sec,
 	int ret = 0;
 	u32 cmd = 0;
 
-	LOG_INFOEX(priv, INIT, "-->\n");
+	LOG_TRACE(priv, FW_DOWNLOAD, "-->\n");
 	LOG_INFO(priv, FW_DOWNLOAD, "Download address 0x%x size 0x%zx\n",
 				addr, sec_size);
 
@@ -250,7 +250,7 @@ static int iwmct_download_section(struct iwmct_priv *priv, const u8 *p_sec,
 	if (sent < sec_size)
 		ret = -EINVAL;
 exit:
-	LOG_INFOEX(priv, INIT, "<--\n");
+	LOG_TRACE(priv, FW_DOWNLOAD, "<--\n");
 	return ret;
 }
 
@@ -261,7 +261,7 @@ static int iwmct_kick_fw(struct iwmct_priv *priv, bool jump)
 	int ret;
 	u32 cmd;
 
-	LOG_INFOEX(priv, INIT, "-->\n");
+	LOG_TRACE(priv, FW_DOWNLOAD, "-->\n");
 
 	memset(parser->buf, 0, parser->buf_size);
 	cmd = IWMC_CMD_SIGNATURE << CMD_HDR_SIGNATURE_POS;
@@ -284,7 +284,7 @@ static int iwmct_kick_fw(struct iwmct_priv *priv, bool jump)
 	if (ret)
 		LOG_INFO(priv, FW_DOWNLOAD, "iwmct_tx returned %d", ret);
 
-	LOG_INFOEX(priv, INIT, "<--\n");
+	LOG_TRACE(priv, FW_DOWNLOAD, "<--\n");
 	return 0;
 }
 
@@ -298,6 +298,16 @@ int iwmct_fw_load(struct iwmct_priv *priv)
 	int ret;
 
 
+	LOG_INFO(priv, FW_DOWNLOAD, "barker download request 0x%x is:\n",
+			priv->barker);
+	LOG_INFO(priv, FW_DOWNLOAD, "*******  Top FW %s requested ********\n",
+			(priv->barker & BARKER_DNLOAD_TOP_MSK) ? "was" : "not");
+	LOG_INFO(priv, FW_DOWNLOAD, "*******  GPS FW %s requested ********\n",
+			(priv->barker & BARKER_DNLOAD_GPS_MSK) ? "was" : "not");
+	LOG_INFO(priv, FW_DOWNLOAD, "*******  BT FW %s requested ********\n",
+			(priv->barker & BARKER_DNLOAD_BT_MSK) ? "was" : "not");
+
+
 	/* get the firmware */
 	ret = request_firmware(&raw, fw_name, &priv->func->dev);
 	if (ret < 0) {

drivers/misc/iwmc3200top/log.h

@@ -37,13 +37,26 @@
 #define LOG_SEV_INFO			3
 #define LOG_SEV_INFOEX			4
 
-#define LOG_SEV_FILTER_ALL		\
-	(BIT(LOG_SEV_CRITICAL) |	\
-	 BIT(LOG_SEV_ERROR)    |	\
-	 BIT(LOG_SEV_WARNING)  | 	\
-	 BIT(LOG_SEV_INFO)     |	\
+/* Log levels not defined for FW */
+#define LOG_SEV_TRACE			5
+#define LOG_SEV_DUMP			6
+
+#define LOG_SEV_FW_FILTER_ALL		\
+	(BIT(LOG_SEV_CRITICAL)	|	\
+	 BIT(LOG_SEV_ERROR)	|	\
+	 BIT(LOG_SEV_WARNING)	| 	\
+	 BIT(LOG_SEV_INFO)	|	\
 	 BIT(LOG_SEV_INFOEX))
 
+#define LOG_SEV_FILTER_ALL		\
+	(BIT(LOG_SEV_CRITICAL)	|	\
+	 BIT(LOG_SEV_ERROR)	|	\
+	 BIT(LOG_SEV_WARNING)	| 	\
+	 BIT(LOG_SEV_INFO)	|	\
+	 BIT(LOG_SEV_INFOEX)	|	\
+	 BIT(LOG_SEV_TRACE)	|	\
+	 BIT(LOG_SEV_DUMP))
+
 /* log source */
 #define LOG_SRC_INIT			0
 #define LOG_SRC_DEBUGFS			1
@@ -104,16 +117,16 @@ do {									\
 			 __func__, __LINE__, ##args);			\
 } while (0)
 
-#define LOG_INFOEX(priv, src, fmt, args...)				\
+#define LOG_TRACE(priv, src, fmt, args...)				\
 do {									\
-	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFOEX))	\
+	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_TRACE))	\
 		dev_dbg(priv2dev(priv), "%s %d: " fmt,			\
 			 __func__, __LINE__, ##args);			\
 } while (0)
 
 #define LOG_HEXDUMP(src, ptr, len)					\
 do {									\
-	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFOEX))	\
+	if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_DUMP))	\
 		print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_NONE,	\
 				16, 1, ptr, len, false);		\
 } while (0)
@@ -142,7 +155,7 @@ ssize_t store_iwmct_log_level_fw(struct device *d,
 #define LOG_ERROR(priv, src, fmt, args...)
 #define LOG_WARNING(priv, src, fmt, args...)
 #define LOG_INFO(priv, src, fmt, args...)
-#define LOG_INFOEX(priv, src, fmt, args...)
+#define LOG_TRACE(priv, src, fmt, args...)
 #define LOG_HEXDUMP(src, ptr, len)
 
 static inline void iwmct_log_top_message(struct iwmct_priv *priv,

drivers/misc/iwmc3200top/main.c

@@ -66,7 +66,7 @@ static void iwmct_rescan_worker(struct work_struct *ws)
 
 	ret = bus_rescan_devices(priv->func->dev.bus);
 	if (ret < 0)
-		LOG_INFO(priv, FW_DOWNLOAD, "bus_rescan_devices FAILED!!!\n");
+		LOG_INFO(priv, INIT, "bus_rescan_devices FAILED!!!\n");
 }
 
 static void op_top_message(struct iwmct_priv *priv, struct top_msg *msg)
@@ -137,7 +137,7 @@ int iwmct_send_hcmd(struct iwmct_priv *priv, u8 *cmd, u16 len)
 	int ret;
 	u8 *buf;
 
-	LOG_INFOEX(priv, FW_MSG, "Sending hcmd:\n");
+	LOG_TRACE(priv, FW_MSG, "Sending hcmd:\n");
 
 	/* add padding to 256 for IWMC */
 	((struct top_msg *)cmd)->hdr.flags |= CMD_FLAG_PADDING_256;
@@ -192,7 +192,7 @@ static void iwmct_irq_read_worker(struct work_struct *ws)
 
 	priv = container_of(ws, struct iwmct_priv, isr_worker);
 
-	LOG_INFO(priv, IRQ, "enter iwmct_irq_read_worker %p\n", ws);
+	LOG_TRACE(priv, IRQ, "enter iwmct_irq_read_worker %p\n", ws);
 
 	/* --------------------- Handshake with device -------------------- */
 	sdio_claim_host(priv->func);
@@ -292,15 +292,6 @@ static void iwmct_irq_read_worker(struct work_struct *ws)
 
 	sdio_release_host(priv->func);
 
-
-	LOG_INFO(priv, IRQ, "barker download request 0x%x is:\n", priv->barker);
-	LOG_INFO(priv, IRQ, "*******  Top FW %s requested ********\n",
-			(priv->barker & BARKER_DNLOAD_TOP_MSK) ? "was" : "not");
-	LOG_INFO(priv, IRQ, "*******  GPS FW %s requested ********\n",
-			(priv->barker & BARKER_DNLOAD_GPS_MSK) ? "was" : "not");
-	LOG_INFO(priv, IRQ, "*******  BT FW %s requested ********\n",
-			(priv->barker & BARKER_DNLOAD_BT_MSK) ? "was" : "not");
-
 	if (priv->dbg.fw_download)
 		iwmct_fw_load(priv);
 	else
@@ -312,7 +303,7 @@ exit_release:
 	sdio_release_host(priv->func);
 exit:
 	kfree(buf);
-	LOG_INFO(priv, IRQ, "exit iwmct_irq_read_worker\n");
+	LOG_TRACE(priv, IRQ, "exit iwmct_irq_read_worker\n");
 }
 
 static void iwmct_irq(struct sdio_func *func)
@@ -325,12 +316,12 @@ static void iwmct_irq(struct sdio_func *func)
 
 	priv = sdio_get_drvdata(func);
 
-	LOG_INFO(priv, IRQ, "enter iwmct_irq\n");
+	LOG_TRACE(priv, IRQ, "enter iwmct_irq\n");
 
 	/* read the function's status register */
 	val = sdio_readb(func, IWMC_SDIO_INTR_STATUS_ADDR, &ret);
 
-	LOG_INFO(priv, IRQ, "iir value = %d, ret=%d\n", val, ret);
+	LOG_TRACE(priv, IRQ, "iir value = %d, ret=%d\n", val, ret);
 
 	if (!val) {
 		LOG_ERROR(priv, IRQ, "iir = 0, exiting ISR\n");
@@ -372,7 +363,7 @@ static void iwmct_irq(struct sdio_func *func)
 
 	queue_work(priv->wq, &priv->isr_worker);
 
-	LOG_INFO(priv, IRQ, "exit iwmct_irq\n");
+	LOG_TRACE(priv, IRQ, "exit iwmct_irq\n");
 
 	return;
 
@@ -660,7 +651,7 @@ static int __init iwmct_init(void)
 
 	/* Default log filter settings */
 	iwmct_log_set_filter(LOG_SRC_ALL, LOG_SEV_FILTER_RUNTIME);
-	iwmct_log_set_filter(LOG_SRC_FW_MSG, LOG_SEV_FILTER_ALL);
+	iwmct_log_set_filter(LOG_SRC_FW_MSG, LOG_SEV_FW_FILTER_ALL);
 	iwmct_log_set_fw_filter(LOG_SRC_ALL, FW_LOG_SEV_FILTER_RUNTIME);
 
 	rc = sdio_register_driver(&iwmct_driver);