ice: reregister fwlog after driver reinit

Wrap libie_fwlog_register() by libie_fwlog_reregister(), which checks
first if the registration is needed. This simplifies the code and makes
the former function static.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

Author: Michal Swiatkowski

drivers/net/ethernet/intel/ice/ice_fwlog.c

@@ -290,7 +290,7 @@ static int libie_aq_fwlog_register(struct libie_fwlog *fwlog, bool reg)
  * After this call the PF will start to receive firmware logging based on the
  * configuration set in libie_fwlog_set.
  */
-int libie_fwlog_register(struct libie_fwlog *fwlog)
+static int libie_fwlog_register(struct libie_fwlog *fwlog)
 {
 	int status;
 
@@ -1095,3 +1095,12 @@ void libie_get_fwlog_data(struct libie_fwlog *fwlog, u8 *buf, u16 len)
 		libie_fwlog_ring_increment(&fwlog->ring.head, fwlog->ring.size);
 	}
 }
+
+void libie_fwlog_reregister(struct libie_fwlog *fwlog)
+{
+	if (!(fwlog->cfg.options & LIBIE_FWLOG_OPTION_IS_REGISTERED))
+		return;
+
+	if (libie_fwlog_register(fwlog))
+		fwlog->cfg.options &= ~LIBIE_FWLOG_OPTION_IS_REGISTERED;
+}

drivers/net/ethernet/intel/ice/ice_fwlog.h

@@ -79,6 +79,6 @@ struct libie_fwlog {
 
 int libie_fwlog_init(struct libie_fwlog *fwlog, struct libie_fwlog_api *api);
 void libie_fwlog_deinit(struct libie_fwlog *fwlog);
-int libie_fwlog_register(struct libie_fwlog *fwlog);
+void libie_fwlog_reregister(struct libie_fwlog *fwlog);
 void libie_get_fwlog_data(struct libie_fwlog *fwlog, u8 *buf, u16 len);
 #endif /* _LIBIE_FWLOG_H_ */