drivers: Remove explicit invocations of mmiowb()

[linux.git] / drivers / net / wireless / intel / iwlegacy / common.h

diff --git a/drivers/net/wireless/intel/iwlegacy/common.h b/drivers/net/wireless/intel/iwlegacy/common.h
index b079c64ca014794dbdf85f7703cfd80a9f65622b..986646af8dfd4da3e0da8c7bb023fe646ccc9930 100644 (file)
--- a/drivers/net/wireless/intel/iwlegacy/common.h
+++ b/drivers/net/wireless/intel/iwlegacy/common.h
@@ -2030,13 +2030,6 @@ static inline void
 _il_release_nic_access(struct il_priv *il)
 {
        _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-       /*
-        * In above we are reading CSR_GP_CNTRL register, what will flush any
-        * previous writes, but still want write, which clear MAC_ACCESS_REQ
-        * bit, be performed on PCI bus before any other writes scheduled on
-        * different CPUs (after we drop reg_lock).
-        */
-       mmiowb();
 }
 
 static inline u32