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gpiobus: Use bus_generic_rman_*

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Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D43887
This commit is contained in:
John Baldwin 2024-02-14 14:07:32 -08:00
parent 7061745867
commit 5bda26333a
1 changed files with 19 additions and 38 deletions
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57
sys/dev/gpio/gpiobus.c
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@ -809,20 +809,29 @@ gpiobus_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
return (0);
}
static struct rman *
gpiobus_get_rman(device_t bus, int type, u_int flags)
{
struct gpiobus_softc *sc;
sc = device_get_softc(bus);
switch (type) {
case SYS_RES_IRQ:
return (&sc->sc_intr_rman);
default:
return (NULL);
}
}
static struct resource *
gpiobus_alloc_resource(device_t bus, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct gpiobus_softc *sc;
struct resource *rv;
struct resource_list *rl;
struct resource_list_entry *rle;
int isdefault;
if (type != SYS_RES_IRQ)
return (NULL);
isdefault = (RMAN_IS_DEFAULT_RANGE(start, end) && count == 1);
rle = NULL;
if (isdefault) {
rl = BUS_GET_RESOURCE_LIST(bus, child);
if (rl == NULL)
@ -830,40 +839,12 @@ gpiobus_alloc_resource(device_t bus, device_t child, int type, int *rid,
rle = resource_list_find(rl, type, *rid);
if (rle == NULL)
return (NULL);
if (rle->res != NULL)
panic("%s: resource entry is busy", __func__);
start = rle->start;
count = rle->count;
end = rle->end;
}
sc = device_get_softc(bus);
rv = rman_reserve_resource(&sc->sc_intr_rman, start, end, count, flags,
child);
if (rv == NULL)
return (NULL);
rman_set_rid(rv, *rid);
if ((flags & RF_ACTIVE) != 0 &&
bus_activate_resource(child, type, *rid, rv) != 0) {
rman_release_resource(rv);
return (NULL);
}
return (rv);
}
static int
gpiobus_release_resource(device_t bus __unused, device_t child, int type,
int rid, struct resource *r)
{
int error;
if (rman_get_flags(r) & RF_ACTIVE) {
error = bus_deactivate_resource(child, type, rid, r);
if (error)
return (error);
}
return (rman_release_resource(r));
return (bus_generic_rman_alloc_resource(bus, child, type, rid, start,
end, count, flags));
}
static struct resource_list *
@ -1060,9 +1041,9 @@ static device_method_t gpiobus_methods[] = {
DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource),
DEVMETHOD(bus_alloc_resource, gpiobus_alloc_resource),
DEVMETHOD(bus_release_resource, gpiobus_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
DEVMETHOD(bus_release_resource, bus_generic_rman_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_rman_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_rman_deactivate_resource),
DEVMETHOD(bus_get_resource_list, gpiobus_get_resource_list),
DEVMETHOD(bus_add_child, gpiobus_add_child),
DEVMETHOD(bus_rescan, gpiobus_rescan),