iwlagn: modify the debug macro to be usable by all the layers

Since all the layers need to print debug message, the debug macro cannot suppose
that they will be given iwl_priv as a parameter and then dereference it.
Use iwl_shared instead.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-debug.h

@@ -29,49 +29,50 @@
 #ifndef __iwl_debug_h__
 #define __iwl_debug_h__
 
+#include "iwl-shared.h"
+
 struct iwl_priv;
 
-#define IWL_ERR(p, f, a...) dev_err(p->bus->dev, f, ## a)
-#define IWL_WARN(p, f, a...) dev_warn(p->bus->dev, f, ## a)
-#define IWL_INFO(p, f, a...) dev_info(p->bus->dev, f, ## a)
-#define IWL_CRIT(p, f, a...) dev_crit(p->bus->dev, f, ## a)
+/*No matter what is m (priv, bus, trans), this will work */
+#define IWL_ERR(m, f, a...) dev_err(bus(m)->dev, f, ## a)
+#define IWL_WARN(m, f, a...) dev_warn(bus(m)->dev, f, ## a)
+#define IWL_INFO(m, f, a...) dev_info(bus(m)->dev, f, ## a)
+#define IWL_CRIT(m, f, a...) dev_crit(bus(m)->dev, f, ## a)
 
-#define iwl_print_hex_error(priv, p, len) 				\
+#define iwl_print_hex_error(m, p, len)					\
 do {									\
 	print_hex_dump(KERN_ERR, "iwl data: ",				\
 		       DUMP_PREFIX_OFFSET, 16, 1, p, len, 1);		\
 } while (0)
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-#define IWL_DEBUG(__priv, level, fmt, args...)				\
+#define IWL_DEBUG(m, level, fmt, args...)				\
 do {									\
-	if (iwl_get_debug_level(__priv->shrd) & (level))		\
-		dev_printk(KERN_ERR, &(__priv->hw->wiphy->dev),		\
+	if (iwl_get_debug_level((m)->shrd) & (level))			\
+		dev_printk(KERN_ERR, bus(m)->dev,			\
 			 "%c %s " fmt, in_interrupt() ? 'I' : 'U',	\
 			__func__ , ## args);				\
 } while (0)
 
-#define IWL_DEBUG_LIMIT(__priv, level, fmt, args...)			\
+#define IWL_DEBUG_LIMIT(m, level, fmt, args...)				\
 do {									\
-	if ((iwl_get_debug_level(__priv->shrd) & (level)) && net_ratelimit())\
-		dev_printk(KERN_ERR, &(__priv->hw->wiphy->dev),		\
+	if (iwl_get_debug_level((m)->shrd) & (level) && net_ratelimit())\
+		dev_printk(KERN_ERR, bus(m)->dev,			\
 			"%c %s " fmt, in_interrupt() ? 'I' : 'U',	\
 			 __func__ , ## args);				\
 } while (0)
 
-#define iwl_print_hex_dump(priv, level, p, len) 			\
+#define iwl_print_hex_dump(m, level, p, len)				\
 do {                                            			\
-	if (iwl_get_debug_level(priv->shrd) & level)			\
+	if (iwl_get_debug_level((m)->shrd) & level)			\
 		print_hex_dump(KERN_DEBUG, "iwl data: ",		\
 			       DUMP_PREFIX_OFFSET, 16, 1, p, len, 1);	\
 } while (0)
 
 #else
-#define IWL_DEBUG(__priv, level, fmt, args...)
-#define IWL_DEBUG_LIMIT(__priv, level, fmt, args...)
-static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
-				      const void *p, u32 len)
-{}
+#define IWL_DEBUG(m, level, fmt, args...)
+#define IWL_DEBUG_LIMIT(m, level, fmt, args...)
+#define iwl_print_hex_dump(m, level, p, len)
 #endif				/* CONFIG_IWLWIFI_DEBUG */
 
 #ifdef CONFIG_IWLWIFI_DEBUGFS

drivers/net/wireless/iwlwifi/iwl-rx.c

@@ -122,7 +122,8 @@ static void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
 					     struct iwl_rx_mem_buffer *rxb)
 {
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
-	u32 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+	u32 __maybe_unused len =
+		le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
 	IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled "
 			"notification for %s:\n", len,
 			get_cmd_string(pkt->hdr.cmd));