diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2010-02-24 22:14:55 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2010-02-24 22:14:55 +0000 |
| commit | ce5d5d099626cc7dc30d665b5d8094e26f7b238d (patch) | |
| tree | dbcd9ec99e006739d1ef90cd77cdbf4eab921918 /sys/arch/loongson | |
| parent | 2f72b19d92d8ab2d3459065eecf2c62a6af803b2 (diff) | |
Force write posting after changing GPIO pin status.
Diffstat (limited to 'sys/arch/loongson')
| -rw-r--r-- | sys/arch/loongson/dev/voyager.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/loongson/dev/voyager.c b/sys/arch/loongson/dev/voyager.c index a72681e81ec..f470e968f4a 100644 --- a/sys/arch/loongson/dev/voyager.c +++ b/sys/arch/loongson/dev/voyager.c @@ -1,4 +1,4 @@ -/* $OpenBSD: voyager.c,v 1.1 2010/02/18 22:45:28 miod Exp $ */ +/* $OpenBSD: voyager.c,v 1.2 2010/02/24 22:14:54 miod Exp $ */ /* * Copyright (c) 2010 Miodrag Vallat. @@ -210,6 +210,7 @@ voyager_gpio_pin_write(void *cookie, int pin, int val) else data &= ~mask; bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh, reg, data); + (void)bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh, reg); } void @@ -232,6 +233,7 @@ voyager_gpio_pin_ctl(void *cookie, int pin, int flags) else data &= ~mask; bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh, reg, data); + (void)bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh, reg); } void |