[src/trunk]: src/sys/arch/arm/amlogic use irq instead of polling hack now tha...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e9b51bd5ef97
branches:  trunk
changeset: 806641:e9b51bd5ef97
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Tue Mar 03 21:56:25 2015 +0000

description:
use irq instead of polling hack now that gic is fixed

diffstat:

 sys/arch/arm/amlogic/amlogic_com.c |  47 +------------------------------------
 1 files changed, 2 insertions(+), 45 deletions(-)

diffs (110 lines):

diff -r 78cf58f91b45 -r e9b51bd5ef97 sys/arch/arm/amlogic/amlogic_com.c
--- a/sys/arch/arm/amlogic/amlogic_com.c        Tue Mar 03 21:53:12 2015 +0000
+++ b/sys/arch/arm/amlogic/amlogic_com.c        Tue Mar 03 21:56:25 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_com.c,v 1.3 2015/03/01 23:39:28 jmcneill Exp $ */
+/* $NetBSD: amlogic_com.c,v 1.4 2015/03/03 21:56:25 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -33,10 +33,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(1, "$NetBSD: amlogic_com.c,v 1.3 2015/03/01 23:39:28 jmcneill Exp $");
-
-#define AMLOGIC_COM_INTRPOLL
-#define AMLOGIC_COM_INTRPOLL_RATE      10
+__KERNEL_RCSID(1, "$NetBSD: amlogic_com.c,v 1.4 2015/03/03 21:56:25 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -62,10 +59,6 @@
 
 static int     amlogic_com_intr(void *);
 
-#ifdef AMLOGIC_COM_INTRPOLL
-static void    amlogic_com_intrpoll(void *);
-#endif
-
 static int     amlogic_com_cngetc(dev_t);
 static void    amlogic_com_cnputc(dev_t, int);
 static void    amlogic_com_cnpollc(dev_t, int);
@@ -87,10 +80,6 @@
        tcflag_t sc_cflag;
 
        u_char sc_buf[1024];
-
-#ifdef AMLOGIC_COM_INTRPOLL
-       callout_t sc_intrpoll_ch;
-#endif
 };
 
 static struct amlogic_com_softc amlogic_com_cnsc;
@@ -156,10 +145,6 @@
        bus_space_subregion(aio->aio_core_bst, aio->aio_bsh,
            loc->loc_offset, loc->loc_size, &sc->sc_bsh);
 
-#ifdef AMLOGIC_COM_INTRPOLL
-       callout_init(&sc->sc_intrpoll_ch, CALLOUT_MPSAFE);
-       callout_setfunc(&sc->sc_intrpoll_ch, amlogic_com_intrpoll, sc);
-#else
        sc->sc_ih = intr_establish(loc->loc_intr, IPL_SERIAL,
            IST_EDGE | IST_MPSAFE, amlogic_com_intr, sc);
        if (sc->sc_ih == NULL) {
@@ -167,7 +152,6 @@
                    loc->loc_intr);
                return;
        }
-#endif
 
        if (amlogic_com_cmajor == -1) {
                /* allocate a major number */
@@ -198,11 +182,7 @@
        }
        aprint_normal("\n");
 
-#ifdef AMLOGIC_COM_INTRPOLL
-       aprint_normal_dev(self, "polling\n");
-#else
        aprint_normal_dev(self, "interrupting at irq %d\n", loc->loc_intr);
-#endif
 
        misc = bus_space_read_4(sc->sc_bst, sc->sc_bsh, UART_MISC_REG);
        misc &= ~UART_MISC_TX_IRQ_CNT;
@@ -213,16 +193,8 @@
 
        control = bus_space_read_4(sc->sc_bst, sc->sc_bsh, UART_CONTROL_REG);
        control &= ~UART_CONTROL_TX_INT_EN;
-#ifdef AMLOGIC_COM_INTRPOLL
-       control &= ~UART_CONTROL_RX_INT_EN;
-#else
        control |= UART_CONTROL_RX_INT_EN;
-#endif
        bus_space_write_4(sc->sc_bst, sc->sc_bsh, UART_CONTROL_REG, control);
-
-#ifdef AMLOGIC_COM_INTRPOLL
-       callout_schedule(&sc->sc_intrpoll_ch, AMLOGIC_COM_INTRPOLL_RATE);
-#endif
 }
 
 static int
@@ -471,18 +443,3 @@
 
        return 0;
 }
-
-#ifdef AMLOGIC_COM_INTRPOLL
-static void
-amlogic_com_intrpoll(void *priv)
-{
-       struct amlogic_com_softc *sc = priv;
-       int s;
-
-       s = splserial();
-       amlogic_com_intr(sc);
-       splx(s);
-
-       callout_schedule(&sc->sc_intrpoll_ch, AMLOGIC_COM_INTRPOLL_RATE);
-}
-#endif