diff options
| author | Luciano Coelho <coelho@ti.com> | 2012-05-10 09:14:03 (GMT) |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2012-06-05 12:57:45 (GMT) |
| commit | 7ae25da3967298199881c72ee476a1f9ec682fd8 (patch) | |
| tree | 2f0d3d0135954e51dd314bbb62b191257a994ef0 /drivers/net | |
| parent | 4afc37a0c1c58415ac3ad1c07afd8ebf81cb90c5 (diff) | |
| download | linux-fsl-qoriq-7ae25da3967298199881c72ee476a1f9ec682fd8.tar.xz | |
wl18xx: disable MCS_13 for wl18xx PG 1.0
There are some problems with MCS_13 in PG 1.0 hardware. So we disable
it when PG 1.0 is detected.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ti/wl18xx/main.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 6047a6d..afa2334 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -588,6 +588,9 @@ static int wl18xx_identify_chip(struct wl1271 *wl) WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED | WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN; + /* PG 1.0 has some problems with MCS_13, so disable it */ + wl->ht_cap.mcs.rx_mask[1] &= ~BIT(5); + /* TODO: need to blocksize alignment for RX/TX separately? */ break; default: @@ -914,6 +917,10 @@ static void wl18xx_set_rx_csum(struct wl1271 *wl, skb->ip_summed = CHECKSUM_UNNECESSARY; } +/* + * TODO: instead of having these two functions to get the rate mask, + * we should modify the wlvif->rate_set instead + */ static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl, struct wl12xx_vif *wlvif) { @@ -940,6 +947,17 @@ static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl, return CONF_TX_RATE_USE_WIDE_CHAN; } else { wl1271_debug(DEBUG_ACX, "using MIMO rate mask"); + + /* + * PG 1.0 has some problems with MCS_13, so disable it + * + * TODO: instead of hacking this in here, we should + * make it more general and change a bit in the + * wlvif->rate_set instead. + */ + if (wl->chip.id == CHIP_ID_185x_PG10) + return CONF_TX_MIMO_RATES & ~CONF_HW_BIT_RATE_MCS_13; + return CONF_TX_MIMO_RATES; } } |