get rid of junk variable
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33e89ce9f4
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a98db642b2
@ -1,4 +1,4 @@
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/* $NetBSD: p9100.c,v 1.59 2012/10/27 17:18:37 chs Exp $ */
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/* $NetBSD: p9100.c,v 1.60 2013/11/19 10:49:00 macallan Exp $ */
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/*-
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* Copyright (c) 1998, 2005, 2006 The NetBSD Foundation, Inc.
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@ -38,7 +38,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: p9100.c,v 1.59 2012/10/27 17:18:37 chs Exp $");
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__KERNEL_RCSID(0, "$NetBSD: p9100.c,v 1.60 2013/11/19 10:49:00 macallan Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -114,7 +114,6 @@ struct p9100_softc {
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#ifdef PNOZZ_USE_LATCH
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bus_space_handle_t sc_fb_memh; /* bus space handle */
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#endif
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volatile uint32_t sc_junk;
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uint32_t sc_mono_width; /* for setup_mono */
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uint32_t sc_width;
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@ -262,9 +261,8 @@ struct wsdisplay_accessops p9100_accessops = {
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#ifdef PNOZZ_USE_LATCH
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#define PNOZZ_LATCH(sc, off) if(sc->sc_last_offset != (off & 0xffffff80)) { \
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sc->sc_junk = bus_space_read_4(sc->sc_bustag, sc->sc_fb_memh, \
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off); \
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sc->sc_last_offset = off & 0xffffff80; }
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(void)bus_space_read_4(sc->sc_bustag, sc->sc_fb_memh, off); \
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sc->sc_last_offset = off & 0xffffff80; }
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#else
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#define PNOZZ_LATCH(a, b)
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#endif
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@ -791,7 +789,7 @@ p9100_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi,
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p9100_ctl_write_4(sc, ABS_XY2, dst << sc->sc_depthshift);
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p9100_ctl_write_4(sc, ABS_XY3, dstw << sc->sc_depthshift);
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sc->sc_junk = p9100_ctl_read_4(sc, COMMAND_BLIT);
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(void)p9100_ctl_read_4(sc, COMMAND_BLIT);
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}
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/* solid rectangle fill */
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@ -813,7 +811,7 @@ p9100_rectfill(void *cookie, int xs, int ys, int wi, int he, uint32_t col)
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p9100_ctl_write_4(sc, COORD_INDEX, 0);
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p9100_ctl_write_4(sc, RECT_RTW_XY, src);
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p9100_ctl_write_4(sc, RECT_RTW_XY, srcw);
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sc->sc_junk = p9100_ctl_read_4(sc, COMMAND_QUAD);
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(void)p9100_ctl_read_4(sc, COMMAND_QUAD);
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}
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/* setup for mono->colour expansion */
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@ -892,7 +890,7 @@ static uint8_t
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p9100_ramdac_read(struct p9100_softc *sc, bus_size_t off)
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{
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sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG);
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(void)p9100_ctl_read_4(sc, PWRUP_CNFG);
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return ((bus_space_read_4(sc->sc_bustag,
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sc->sc_ctl_memh, off) >> 16) & 0xff);
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}
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@ -901,7 +899,7 @@ static void
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p9100_ramdac_write(struct p9100_softc *sc, bus_size_t off, uint8_t v)
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{
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sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG);
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(void)p9100_ctl_read_4(sc, PWRUP_CNFG);
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bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh, off,
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((uint32_t)v) << 16);
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}
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