b43: Disable PMQ mechanism
This reduces IRQ pressure by about one third on a saturated link by disabling the PMQ mechanism. We currently don't use that mechanism. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
parent
990b86f4f9
commit
09ebe2f943
|
@ -2675,6 +2675,20 @@ static void b43_adjust_opmode(struct b43_wldev *dev)
|
||||||
cfp_pretbtt = 50;
|
cfp_pretbtt = 50;
|
||||||
}
|
}
|
||||||
b43_write16(dev, 0x612, cfp_pretbtt);
|
b43_write16(dev, 0x612, cfp_pretbtt);
|
||||||
|
|
||||||
|
/* FIXME: We don't currently implement the PMQ mechanism,
|
||||||
|
* so always disable it. If we want to implement PMQ,
|
||||||
|
* we need to enable it here (clear DISCPMQ) in AP mode.
|
||||||
|
*/
|
||||||
|
if (0 /* ctl & B43_MACCTL_AP */) {
|
||||||
|
b43_write32(dev, B43_MMIO_MACCTL,
|
||||||
|
b43_read32(dev, B43_MMIO_MACCTL)
|
||||||
|
& ~B43_MACCTL_DISCPMQ);
|
||||||
|
} else {
|
||||||
|
b43_write32(dev, B43_MMIO_MACCTL,
|
||||||
|
b43_read32(dev, B43_MMIO_MACCTL)
|
||||||
|
| B43_MACCTL_DISCPMQ);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm)
|
static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm)
|
||||||
|
|
Loading…
Reference in a new issue