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Code Issues Releases Activity

Simplify t4_os_find_pci_capability.

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MFC after:	3 days
This commit is contained in:
Navdeep Parhar 2011-05-19 19:37:41 +00:00
parent a1e9b6750c
commit b0775aef77
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=222102
1 changed files with 2 additions and 35 deletions
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37
sys/dev/cxgbe/t4_main.c
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@ -3212,45 +3212,12 @@ filter_rpl(struct adapter *sc, const struct cpl_set_tcb_rpl *rpl)
}
}
/* XXX: use pci_find_cap */
int
t4_os_find_pci_capability(struct adapter *sc, int cap)
{
device_t dev;
struct pci_devinfo *dinfo;
pcicfgregs *cfg;
uint32_t status;
uint8_t ptr;
int i;
dev = sc->dev;
dinfo = device_get_ivars(dev);
cfg = &dinfo->cfg;
status = pci_read_config(dev, PCIR_STATUS, 2);
if (!(status & PCIM_STATUS_CAPPRESENT))
return (0);
switch (cfg->hdrtype & PCIM_HDRTYPE) {
case 0:
case 1:
ptr = PCIR_CAP_PTR;
break;
case 2:
ptr = PCIR_CAP_PTR_2;
break;
default:
return (0);
break;
}
ptr = pci_read_config(dev, ptr, 1);
while (ptr != 0) {
if (pci_read_config(dev, ptr + PCICAP_ID, 1) == cap)
return (ptr);
ptr = pci_read_config(dev, ptr + PCICAP_NEXTPTR, 1);
}
return (0);
return (pci_find_cap(sc->dev, cap, &i) == 0 ? i : 0);
}
int