Hello Arend van Spriel,
The patch 5b435de0d786: "net: wireless: add brcm80211 drivers" from
Oct 5, 2011, leads to the following static checker warning:
drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c:26460 wlc_phy_rxcal_radio_setup_nphy()
warn: mask and shift to zero
drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c
26452 } else {
26453 pi->tx_rx_cal_radio_saveregs[4] =
26454 read_radio_reg(pi,
26455 RADIO_2056_RX_LNAA_TUNE
26456 | RADIO_2056_RX0);
26457
26458 offtune_val =
26459 (pi->tx_rx_cal_radio_saveregs
26460 [2] & 0xF0) >> 8;
This is obviously nonsense code, but I have no idea what was intended.
26461 offtune_val =
26462 (offtune_val <= 0x7) ? 0xF : 0;
This is perhaps a bug fix/work around for the earlier line.
26463
26464 mod_radio_reg(pi,
26465 RADIO_2056_RX_LNAA_TUNE |
26466 RADIO_2056_RX0, 0xF0,
26467 (offtune_val << 8));
26468 }
regards,
dan carpenter
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