The BCM5354 SoC has a build in ieee80211 core rev 13 with a LP-PHY on
it. This devices has a sprom version 3 stored in the nvram. This patch
removes the warning and uses the opo values from the sprom as mentioned
in the specs.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
drivers/net/wireless/b43/phy_lp.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index 3ae2856..5ed352d 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -104,14 +104,8 @@ static void lpphy_read_band_sprom(struct b43_wldev *dev)
maxpwr = sprom->maxpwr_bg;
lpphy->max_tx_pwr_med_band = maxpwr;
cckpo = sprom->cck2gpo;
- /*
- * We don't read SPROM's opo as specs say. On rev8 SPROMs
- * opo == ofdm2gpo and we don't know any SSB with LP-PHY
- * and SPROM rev below 8.
- */
- B43_WARN_ON(sprom->revision < 8);
- ofdmpo = sprom->ofdm2gpo;
if (cckpo) {
+ ofdmpo = sprom->ofdm2gpo;
for (i = 0; i < 4; i++) {
lpphy->tx_max_rate[i] =
maxpwr - (ofdmpo & 0xF) * 2;
@@ -124,11 +118,11 @@ static void lpphy_read_band_sprom(struct b43_wldev *dev)
ofdmpo >>= 4;
}
} else {
- ofdmpo &= 0xFF;
+ u8 opo = sprom->opo;
for (i = 0; i < 4; i++)
lpphy->tx_max_rate[i] = maxpwr;
for (i = 4; i < 15; i++)
- lpphy->tx_max_rate[i] = maxpwr - ofdmpo;
+ lpphy->tx_max_rate[i] = maxpwr - opo;
}
} else { /* 5GHz */
lpphy->tx_isolation_low_band = sprom->tri5gl;
--
1.7.10.4
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