acpiec(4): Factor out if (state == FREE) cv_signal(sc_cv).
In principle this could have a functional change, but at worst, it is to signal more wakeups than needed, which should always be safe.
This commit is contained in:
parent
7951f6ea6b
commit
aa3033d429
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: acpi_ec.c,v 1.105 2023/07/18 10:06:55 riastradh Exp $ */
|
/* $NetBSD: acpi_ec.c,v 1.106 2023/07/18 10:10:49 riastradh Exp $ */
|
||||||
|
|
||||||
/*-
|
/*-
|
||||||
* Copyright (c) 2007 Joerg Sonnenberger <joerg@NetBSD.org>.
|
* Copyright (c) 2007 Joerg Sonnenberger <joerg@NetBSD.org>.
|
||||||
|
@ -57,7 +57,7 @@
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#include <sys/cdefs.h>
|
#include <sys/cdefs.h>
|
||||||
__KERNEL_RCSID(0, "$NetBSD: acpi_ec.c,v 1.105 2023/07/18 10:06:55 riastradh Exp $");
|
__KERNEL_RCSID(0, "$NetBSD: acpi_ec.c,v 1.106 2023/07/18 10:10:49 riastradh Exp $");
|
||||||
|
|
||||||
#ifdef _KERNEL_OPT
|
#ifdef _KERNEL_OPT
|
||||||
#include "opt_acpi_ec.h"
|
#include "opt_acpi_ec.h"
|
||||||
|
@ -967,7 +967,6 @@ acpiec_gpe_state_machine(struct acpiec_softc *sc)
|
||||||
break; /* Nothing of interest here. */
|
break; /* Nothing of interest here. */
|
||||||
sc->sc_cur_val = acpiec_read_data(sc);
|
sc->sc_cur_val = acpiec_read_data(sc);
|
||||||
sc->sc_state = EC_STATE_FREE;
|
sc->sc_state = EC_STATE_FREE;
|
||||||
cv_signal(&sc->sc_cv);
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case EC_STATE_READ:
|
case EC_STATE_READ:
|
||||||
|
@ -989,7 +988,6 @@ acpiec_gpe_state_machine(struct acpiec_softc *sc)
|
||||||
break; /* Nothing of interest here. */
|
break; /* Nothing of interest here. */
|
||||||
sc->sc_cur_val = acpiec_read_data(sc);
|
sc->sc_cur_val = acpiec_read_data(sc);
|
||||||
sc->sc_state = EC_STATE_FREE;
|
sc->sc_state = EC_STATE_FREE;
|
||||||
cv_signal(&sc->sc_cv);
|
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case EC_STATE_WRITE:
|
case EC_STATE_WRITE:
|
||||||
|
@ -1009,9 +1007,8 @@ acpiec_gpe_state_machine(struct acpiec_softc *sc)
|
||||||
case EC_STATE_WRITE_VAL:
|
case EC_STATE_WRITE_VAL:
|
||||||
if ((reg & EC_STATUS_IBF) != 0)
|
if ((reg & EC_STATUS_IBF) != 0)
|
||||||
break; /* Nothing of interest here. */
|
break; /* Nothing of interest here. */
|
||||||
sc->sc_state = EC_STATE_FREE;
|
|
||||||
cv_signal(&sc->sc_cv);
|
|
||||||
acpiec_write_data(sc, sc->sc_cur_val);
|
acpiec_write_data(sc, sc->sc_cur_val);
|
||||||
|
sc->sc_state = EC_STATE_FREE;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
case EC_STATE_FREE:
|
case EC_STATE_FREE:
|
||||||
|
@ -1022,10 +1019,12 @@ acpiec_gpe_state_machine(struct acpiec_softc *sc)
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* If we just ended a transaction, and an SCI was requested,
|
* If we are not in a transaction, wake anyone waiting to start
|
||||||
* notify the SCI thread.
|
* one. If an SCI was requested, notify the SCI thread that it
|
||||||
|
* needs to handle the SCI.
|
||||||
*/
|
*/
|
||||||
if (sc->sc_state == EC_STATE_FREE) {
|
if (sc->sc_state == EC_STATE_FREE) {
|
||||||
|
cv_signal(&sc->sc_cv);
|
||||||
if (reg & EC_STATUS_SCI) {
|
if (reg & EC_STATUS_SCI) {
|
||||||
DPRINTF(ACPIEC_DEBUG_TRANSITION, sc,
|
DPRINTF(ACPIEC_DEBUG_TRANSITION, sc,
|
||||||
"wake SCI thread\n");
|
"wake SCI thread\n");
|
||||||
|
|
Loading…
Reference in New Issue