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if_awg: replace multiple calls to if_setdrvflagbits with one call in awg_txintr

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Small optimization

Submitted by:	Guy Yur <guyyur@gmail.com>
Differential Revision:	https://reviews.freebsd.org/D13033
This commit is contained in:
Emmanuel Vadot 2017-11-18 20:55:37 +00:00
parent 09e2285c4c
commit f179ed0561
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=325981
1 changed files with 8 additions and 3 deletions
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11
sys/arm/allwinner/if_awg.c
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@ -916,7 +916,7 @@ awg_txintr(struct awg_softc *sc)
struct emac_desc *desc;
uint32_t status, size;
if_t ifp;
int i;
int i, prog;
AWG_ASSERT_LOCKED(sc);
@ -924,6 +924,8 @@ awg_txintr(struct awg_softc *sc)
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
ifp = sc->ifp;
prog = 0;
for (i = sc->tx.next; sc->tx.queued > 0; i = TX_NEXT(i)) {
desc = &sc->tx.desc_ring[i];
status = le32toh(desc->status);
@ -936,11 +938,14 @@ awg_txintr(struct awg_softc *sc)
else
if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1);
}
prog++;
awg_clean_txbuf(sc, i);
if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE);
}
sc->tx.next = i;
if (prog > 0) {
sc->tx.next = i;
if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE);
}
}
static void