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authorDale Rahn <drahn@cvs.openbsd.org>2009-01-02 19:42:55 +0000
committerDale Rahn <drahn@cvs.openbsd.org>2009-01-02 19:42:55 +0000
commit5a65e173e7e040a9b185e0b37656e0c7aa330575 (patch)
tree768a6a02f81cbf60612990f620c3808fd61b1e10
parent0c7ed200cb44bd7e6f9187f82bba1b6a56fb8c3e (diff)
remove code that was never used, closer to readable.
-rw-r--r--sys/arch/arm/s3c2xx0/sscom.c121
1 files changed, 1 insertions, 120 deletions
diff --git a/sys/arch/arm/s3c2xx0/sscom.c b/sys/arch/arm/s3c2xx0/sscom.c
index 2ba6b216087..7624614f6b4 100644
--- a/sys/arch/arm/s3c2xx0/sscom.c
+++ b/sys/arch/arm/s3c2xx0/sscom.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sscom.c,v 1.8 2008/12/30 16:32:29 drahn Exp $ */
+/* $OpenBSD: sscom.c,v 1.9 2009/01/02 19:42:54 drahn Exp $ */
/* $NetBSD: sscom.c,v 1.29 2008/06/11 22:37:21 cegger Exp $ */
/*
@@ -278,23 +278,6 @@ void sscom_output_chunk(struct sscom_softc *sc);
void
__sscom_output_chunk(struct sscom_softc *sc, int ufstat)
{
-#if 0
- int n, space;
- bus_space_tag_t iot = sc->sc_iot;
- bus_space_handle_t ioh = sc->sc_ioh;
-
- n = sc->sc_tbc;
- space = 16 - ((ufstat & UFSTAT_TXCOUNT) >> UFSTAT_TXCOUNT_SHIFT);
-
- if (n > space)
- n = space;
-
- if (n > 0) {
- bus_space_write_multi_1(iot, ioh, SSCOM_UTXH, sc->sc_tba, n);
- sc->sc_tbc -= n;
- sc->sc_tba += n;
- }
-#else
int cnt, max;
bus_space_tag_t iot = sc->sc_iot;
bus_space_handle_t ioh = sc->sc_ioh;
@@ -311,7 +294,6 @@ __sscom_output_chunk(struct sscom_softc *sc, int ufstat)
}
}
-#endif
}
void
@@ -752,13 +734,6 @@ sscomopen(dev_t dev, int flag, int mode, struct proc *p)
splx(s2);
}
-#if 0
- splx(s);
-
- error = ttyopen(tp, SSCOMDIALOUT(dev), ISSET(flag, O_NONBLOCK));
- if (error)
- goto bad;
-#else
if (SSCOMDIALOUT(dev)) {
if (ISSET(tp->t_state, TS_ISOPEN)) {
/* Ah, but someone already is dialed in... */
@@ -794,7 +769,6 @@ sscomopen(dev_t dev, int flag, int mode, struct proc *p)
}
}
splx(s);
-#endif
error = (*linesw[tp->t_line].l_open)(dev, tp);
if (error)
@@ -1673,85 +1647,6 @@ sscomrxintr(void *arg)
/* XXX: break interrupt with no character? */
-#if 0
- if ( (ufstat & (UFSTAT_RXCOUNT|UFSTAT_RXFULL)) &&
- !ISSET(sc->sc_rx_flags, RX_IBUF_OVERFLOWED)) {
-
- while (cc > 0) {
- int cn_trapped = 0;
-
- /* get status and received character.
- read status register first */
- uerstat = sscom_geterr(iot, ioh);
- put[0] = sscom_getc(iot, ioh);
-
- if (ISSET(uerstat, UERSTAT_BREAK)) {
- int con_trapped = 0;
-#if 0
- cn_check_magic(sc->sc_tty->t_dev,
- CNC_BREAK, sscom_cnm_state);
-#endif
- if (con_trapped)
- continue;
-#if defined(KGDB)
- if (ISSET(sc->sc_hwflags,
- SSCOM_HW_KGDB)) {
- kgdb_connect(1);
- continue;
- }
-#endif
- }
-
- put[1] = uerstat;
-#if 0
- cn_check_magic(sc->sc_tty->t_dev,
- put[0], sscom_cnm_state);
-#endif
- if (!cn_trapped) {
- put += 2;
- if (put >= end)
- put = sc->sc_rbuf;
- cc--;
- }
-
- ufstat = bus_space_read_4(iot, ioh, SSCOM_UFSTAT);
- if ( (ufstat & (UFSTAT_RXFULL|UFSTAT_RXCOUNT)) == 0 )
- break;
- }
-
- /*
- * Current string of incoming characters ended because
- * no more data was available or we ran out of space.
- * Schedule a receive event if any data was received.
- * If we're out of space, turn off receive interrupts.
- */
- sc->sc_rbput = put;
- sc->sc_rbavail = cc;
- if (!ISSET(sc->sc_rx_flags, RX_TTY_OVERFLOWED))
- sc->sc_rx_ready = 1;
-
- /*
- * See if we are in danger of overflowing a buffer. If
- * so, use hardware flow control to ease the pressure.
- */
- if (!ISSET(sc->sc_rx_flags, RX_IBUF_BLOCKED) &&
- cc < sc->sc_r_hiwat) {
- SET(sc->sc_rx_flags, RX_IBUF_BLOCKED);
- sscom_hwiflow(sc);
- }
-
- /*
- * If we're out of space, disable receive interrupts
- * until the queue has drained a bit.
- */
- if (!cc) {
- SET(sc->sc_rx_flags, RX_IBUF_OVERFLOWED);
- sscom_disable_rxint(sc);
- sc->sc_ucon &= ~UCON_ERRINT;
- bus_space_write_4(iot, ioh, SSCOM_UCON, sc->sc_ucon);
- }
- }
-#else
utrstat = bus_space_read_4(iot, ioh, SSCOM_UTRSTAT);
if (utrstat & UTRSTAT_RXREADY) {
uerstat = bus_space_read_4((iot), (ioh), SSCOM_UERSTAT);
@@ -1805,7 +1700,6 @@ next:
sc->sc_ucon &= ~UCON_ERRINT;
bus_space_write_4(iot, ioh, SSCOM_UCON, sc->sc_ucon);
}
-#endif
if (sc->sc_rbput != put) {
sc->sc_rx_ready = 1;
softintr_schedule(sc->sc_si);
@@ -1963,18 +1857,6 @@ sscomtxintr(void *arg)
* Output the next chunk of the contiguous
* buffer, if any.
*/
-#if 0
- if (sc->sc_tbc > 0) {
- __sscom_output_chunk(sc, ufstat);
- } else {
- /*
- * Disable transmit sscompletion
- * interrupts if necessary.
- */
- if (sc->sc_hwflags & SSCOM_HW_TXINT)
- sscom_disable_txint(sc);
- }
-#else
if ( sc->sc_tty->t_outq.c_cc > 0) {
struct tty *tp = sc->sc_tty;
if (ISSET(tp->t_state, TS_BUSY)) {
@@ -1988,7 +1870,6 @@ sscomtxintr(void *arg)
}
sscom_disable_txint(sc);
}
-#endif
}
SSCOM_UNLOCK(sc);