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;
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