svn commit: r260057 - head/sys/dev/scc

[Dimitry Andric]

Author: dim
Date: Sun Dec 29 20:23:08 2013
New Revision: 260057
URL: http://svnweb.freebsd.org/changeset/base/260057

Log:
  In sys/dev/scc, remove unused static function scc_setmreg().  While
  here, invoke scc_getmreg() in two more places where it can be used.
  
  Reviewed by:	marcel
  MFC after:	3 days

Modified:
  head/sys/dev/scc/scc_dev_z8530.c

Modified: head/sys/dev/scc/scc_dev_z8530.c
==============================================================================
--- head/sys/dev/scc/scc_dev_z8530.c	Sun Dec 29 20:16:12 2013	(r260056)
+++ head/sys/dev/scc/scc_dev_z8530.c	Sun Dec 29 20:23:08 2013	(r260057)
@@ -66,15 +66,6 @@ struct scc_class scc_z8530_class = {
 };
 
 /* Multiplexed I/O. */
-static __inline void
-scc_setmreg(struct scc_bas *bas, int ch, int reg, int val)
-{
-
-	scc_setreg(bas, ch + REG_CTRL, reg);
-	scc_barrier(bas);
-	scc_setreg(bas, ch + REG_CTRL, val);
-}
-
 static __inline uint8_t
 scc_getmreg(struct scc_bas *bas, int ch, int reg)
 {
@@ -146,9 +137,7 @@ z8530_bfe_ipend(struct scc_softc *sc)
 	if (ip & IP_TIB)
 		ch[1]->ch_ipend |= SER_INT_TXIDLE;
 	if (ip & IP_SIA) {
-		scc_setreg(bas, CHAN_A + REG_CTRL, CR_RSTXSI);
-		scc_barrier(bas);
-		bes = scc_getreg(bas, CHAN_A + REG_CTRL);
+		bes = scc_getmreg(bas, CHAN_A, CR_RSTXSI);
 		if (bes & BES_BRK)
 			ch[0]->ch_ipend |= SER_INT_BREAK;
 		sig = ch[0]->ch_hwsig;
@@ -164,9 +153,7 @@ z8530_bfe_ipend(struct scc_softc *sc)
 			ch[0]->ch_ipend |= SER_INT_OVERRUN;
 	}
 	if (ip & IP_SIB) {
-		scc_setreg(bas, CHAN_B + REG_CTRL, CR_RSTXSI);
-		scc_barrier(bas);
-		bes = scc_getreg(bas, CHAN_B + REG_CTRL);
+		bes = scc_getmreg(bas, CHAN_B, CR_RSTXSI);
 		if (bes & BES_BRK)
 			ch[1]->ch_ipend |= SER_INT_BREAK;
 		sig = ch[1]->ch_hwsig;