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owc_gpiobus: small formatting cleanup

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MFC after:	1 week
This commit is contained in:
avg 2019-07-10 12:40:07 +00:00
parent 5c4a9b0e32
commit 3799b418e9
1 changed files with 15 additions and 16 deletions
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31
sys/dev/ow/owc_gpiobus.c
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@ -191,7 +191,7 @@ owc_gpiobus_write_one(device_t dev, struct ow_timing *t)
sc = device_get_softc(dev);
error = GETBUS(sc);
if (error != 0)
return error;
return (error);
critical_enter();
@ -205,10 +205,10 @@ owc_gpiobus_write_one(device_t dev, struct ow_timing *t)
DELAY(t->t_slot - t->t_low1 + t->t_rec);
critical_exit();
RELBUS(sc);
return 0;
return (0);
}
/*
@ -232,7 +232,7 @@ owc_gpiobus_write_zero(device_t dev, struct ow_timing *t)
sc = device_get_softc(dev);
error = GETBUS(sc);
if (error != 0)
return error;
return (error);
critical_enter();
@ -248,8 +248,8 @@ owc_gpiobus_write_zero(device_t dev, struct ow_timing *t)
critical_exit();
RELBUS(sc);
return 0;
return (0);
}
/*
@ -277,7 +277,7 @@ owc_gpiobus_read_data(device_t dev, struct ow_timing *t, int *bit)
sc = device_get_softc(dev);
error = GETBUS(sc);
if (error != 0)
return error;
return (error);
/* Force low for t_lowr microseconds */
then = sbinuptime();
@ -309,8 +309,8 @@ owc_gpiobus_read_data(device_t dev, struct ow_timing *t, int *bit)
} while ((now - then) / SBT_1US < t->t_slot);
RELBUS(sc);
return 0;
return (error);
}
/*
@ -338,10 +338,9 @@ owc_gpiobus_reset_and_presence(device_t dev, struct ow_timing *t, int *bit)
sc = device_get_softc(dev);
error = GETBUS(sc);
if (error != 0)
return error;
return (error);
/*
/*
* Read the current state of the bus. The steady state of an idle bus is
* high. Badly wired buses that are missing the required pull up, or
* that have a short circuit to ground cause all kinds of mischief when
@ -353,7 +352,7 @@ owc_gpiobus_reset_and_presence(device_t dev, struct ow_timing *t, int *bit)
if (buf == 0) {
*bit = -1;
RELBUS(sc);
return EIO;
return (EIO);
}
critical_enter();
@ -384,12 +383,12 @@ owc_gpiobus_reset_and_presence(device_t dev, struct ow_timing *t, int *bit)
if (buf == 0) {
*bit = -1;
RELBUS(sc);
return EIO;
return (EIO);
}
RELBUS(sc);
return 0;
return (0);
}
static devclass_t owc_gpiobus_devclass;