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b43: LP-PHY: note and explain specs inconsistency

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2010-01-07 14:09:27 +01:00 committed by John W. Linville
parent 81ac3462d3
commit 81f14df0b3
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/b43/phy_lp.c
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@ -80,6 +80,7 @@ static void b43_lpphy_op_free(struct b43_wldev *dev)
dev->phy.lp = NULL;
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/LP/ReadBandSrom */
static void lpphy_read_band_sprom(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
@ -101,6 +102,12 @@ static void lpphy_read_band_sprom(struct b43_wldev *dev)
maxpwr = bus->sprom.maxpwr_bg;
lpphy->max_tx_pwr_med_band = maxpwr;
cckpo = bus->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(bus->sprom.revision < 8);
ofdmpo = bus->sprom.ofdm2gpo;
if (cckpo) {
for (i = 0; i < 4; i++) {