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Various cleanups:

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- Don't initialize if_output, ether_ifattach() does this for us.
- Use pci_enable_busmaster() instead of using pci_read_config()
  and pci_write_config() directly.
- Don't try to enable I/O, bus_alloc_resource() does this for us.
This commit is contained in:
Maxime Henrion 2003-04-19 00:21:34 +00:00
parent d211967a52
commit 8a2ec7627f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=113697
1 changed files with 1 additions and 20 deletions
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21
sys/dev/tx/if_tx.c
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@ -214,7 +214,6 @@ epic_attach(dev)
{
struct ifnet *ifp;
epic_softc_t *sc;
u_int32_t command;
int unit, error;
int i, s, rid, tmp;
@ -235,7 +234,6 @@ epic_attach(dev)
ifp->if_softc = sc;
ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST;
ifp->if_ioctl = epic_ifioctl;
ifp->if_output = ether_output;
ifp->if_start = epic_ifstart;
ifp->if_watchdog = epic_ifwatchdog;
ifp->if_init = (if_init_f_t*)epic_init;
@ -244,24 +242,7 @@ epic_attach(dev)
ifp->if_snd.ifq_maxlen = TX_RING_SIZE - 1;
/* Enable ports, memory and busmastering */
command = pci_read_config(dev, PCIR_COMMAND, 4);
command |= PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN;
pci_write_config(dev, PCIR_COMMAND, command, 4);
command = pci_read_config(dev, PCIR_COMMAND, 4);
#if defined(EPIC_USEIOSPACE)
if ((command & PCIM_CMD_PORTEN) == 0) {
device_printf(dev, "failed to enable I/O mapping!\n");
error = ENXIO;
goto fail;
}
#else
if ((command & PCIM_CMD_MEMEN) == 0) {
device_printf(dev, "failed to enable memory mapping!\n");
error = ENXIO;
goto fail;
}
#endif
pci_enable_busmaster(dev);
rid = EPIC_RID;
sc->res = bus_alloc_resource(dev, EPIC_RES, &rid, 0, ~0, 1,