Author: avos
Date: Wed Jan  2 05:37:30 2019
New Revision: 342679
URL: https://svnweb.freebsd.org/changeset/base/342679

Log:
  rtwn(4): do not try to start RTL8188E* MCU during device shutdown.
  
  MFC after:    4 days

Modified:
  head/sys/dev/rtwn/rtl8188e/r88e_fw.c

Modified: head/sys/dev/rtwn/rtl8188e/r88e_fw.c
==============================================================================
--- head/sys/dev/rtwn/rtl8188e/r88e_fw.c        Wed Jan  2 05:30:41 2019        
(r342678)
+++ head/sys/dev/rtwn/rtl8188e/r88e_fw.c        Wed Jan  2 05:37:30 2019        
(r342679)
@@ -109,7 +109,11 @@ r88e_fw_reset(struct rtwn_softc *sc, int reason)
 
        reg = rtwn_read_2(sc, R92C_SYS_FUNC_EN);
        rtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN);
-       rtwn_write_2(sc, R92C_SYS_FUNC_EN, reg | R92C_SYS_FUNC_EN_CPUEN);
+
+       if (reason != RTWN_FW_RESET_SHUTDOWN) {
+               rtwn_write_2(sc, R92C_SYS_FUNC_EN,
+                   reg | R92C_SYS_FUNC_EN_CPUEN);
+       }
 }
 
 void
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