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fixes an attached-at-boot issue that bwn(4) using device_identify

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interface didn't be attached automatically at boot time so changes a
approach to attach children based on leveraging some newbus niceties.

Submitted by:	nwhitehorn
This commit is contained in:
Weongyo Jeong 2010-03-03 20:06:09 +00:00
parent b56f2da805
commit 37fb01d6c1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=204657
3 changed files with 12 additions and 69 deletions
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8
sys/dev/bwn/if_bwn.c
View File

@ -14312,16 +14312,8 @@ bwn_sysctl_node(struct bwn_softc *sc)
#endif
}
static void
bwn_identify(driver_t *driver, device_t parent)
{
BUS_ADD_CHILD(parent, 0, "bwn", -1);
}
static device_method_t bwn_methods[] = {
/* Device interface */
DEVMETHOD(device_identify, bwn_identify),
DEVMETHOD(device_probe, bwn_probe),
DEVMETHOD(device_attach, bwn_attach),
DEVMETHOD(device_detach, bwn_detach),

12
sys/dev/siba/siba_bwn.c
View File

@ -97,8 +97,6 @@ static const struct siba_dev {
{ PCI_VENDOR_BROADCOM, 0x432b, "Unknown" }
};
device_t siba_add_child(device_t, struct siba_softc *, int, const char *,
int);
int siba_core_attach(struct siba_softc *);
int siba_core_detach(struct siba_softc *);
int siba_core_suspend(struct siba_softc *);
@ -238,15 +236,6 @@ siba_bwn_resume(device_t dev)
return (0);
}
static device_t
siba_bwn_add_child(device_t dev, int order, const char *name, int unit)
{
struct siba_bwn_softc *ssc = device_get_softc(dev);
struct siba_softc *siba = &ssc->ssc_siba;
return (siba_add_child(dev, siba, order, name, unit));
}
/* proxying to the parent */
static struct resource *
siba_bwn_alloc_resource(device_t dev, device_t child, int type, int *rid,
@ -342,7 +331,6 @@ static device_method_t siba_bwn_methods[] = {
DEVMETHOD(device_resume, siba_bwn_resume),
/* Bus interface */
DEVMETHOD(bus_add_child, siba_bwn_add_child),
DEVMETHOD(bus_alloc_resource, siba_bwn_alloc_resource),
DEVMETHOD(bus_release_resource, siba_bwn_release_resource),
DEVMETHOD(bus_setup_intr, siba_bwn_setup_intr),

61
sys/dev/siba/siba_core.c
View File

@ -133,8 +133,6 @@ static void siba_pci_write_multi_4(struct siba_dev_softc *, const void *,
size_t, uint16_t);
static const char *siba_core_name(uint16_t);
static void siba_pcicore_init(struct siba_pci *);
device_t siba_add_child(device_t, struct siba_softc *, int, const char *,
int);
int siba_core_attach(struct siba_softc *);
int siba_core_detach(struct siba_softc *);
int siba_core_suspend(struct siba_softc *);
@ -206,8 +204,10 @@ siba_core_attach(struct siba_softc *siba)
return (error);
}
siba_pcicore_init(&siba->siba_pci);
siba_powerdown(siba);
return (0);
return (bus_generic_attach(siba->siba_dev));
}
int
@ -277,6 +277,7 @@ siba_scan(struct siba_softc *siba)
{
struct siba_dev_softc *sd;
uint32_t idhi, tmp;
device_t child;
int base, dev_i = 0, error, i, is_pcie, n_80211 = 0, n_cc = 0,
n_pci = 0;
@ -387,6 +388,14 @@ siba_scan(struct siba_softc *siba)
break;
}
dev_i++;
child = device_add_child(siba->siba_dev, NULL, -1);
if (child == NULL) {
device_printf(siba->siba_dev, "child attach failed\n");
continue;
}
device_set_ivars(child, sd);
}
siba->siba_ndevs = dev_i;
}
@ -1964,52 +1973,6 @@ siba_barrier(struct siba_dev_softc *sd, int flags)
SIBA_BARRIER(siba, flags);
}
/*
* Attach it as child.
*/
device_t
siba_add_child(device_t dev, struct siba_softc *siba, int order,
const char *name, int unit)
{
struct siba_dev_softc *sd;
device_t child;
int idx = 0, i;
child = device_add_child(dev, name, unit);
if (child == NULL)
return (NULL);
siba_powerup(siba, 0);
siba_pcicore_init(&siba->siba_pci);
siba_powerdown(siba);
for (i = 0; i < siba->siba_ndevs; i++) {
sd = &(siba->siba_devs[i]);
if (sd->sd_id.sd_device != SIBA_DEVID_80211) {
DPRINTF(siba, SIBA_DEBUG_CORE,
"skip to register coreid %#x (%s)\n",
sd->sd_id.sd_device,
siba_core_name(sd->sd_id.sd_device));
continue;
}
DPRINTF(siba, SIBA_DEBUG_CORE,
"siba: attaching coreid %#x (%s) idx %d\n",
sd->sd_id.sd_device,
siba_core_name(sd->sd_id.sd_device), idx);
KASSERT(sd->sd_id.sd_device == SIBA_DEVID_80211,
("%s:%d: SIBA_DEVID_80211 is only supportted currently.",
__func__, __LINE__));
device_set_ivars(child, sd);
device_probe_and_attach(child);
idx++;
}
return (child);
}
static void
siba_cc_suspend(struct siba_cc *scc)
{