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rtwn: Restore RF_ENV control type after initializing RF.

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Both rwlwifi in Linux and rtwn in OpenBSD restore this register,
and the existing code was saving the value and not using it.

Reported by:	-Wunused-but-set-variable
Reviewed by:	imp
Obtained from:	OpenBSD
Differential Revision:	https://reviews.freebsd.org/D34838
This commit is contained in:
John Baldwin 2022-04-07 17:01:28 -07:00
parent 6d0a82ffc7
commit 50e3b6aa48
1 changed files with 5 additions and 0 deletions
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5
sys/dev/rtwn/rtl8192e/r92e_init.c
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@ -195,6 +195,11 @@ r92e_init_rf(struct rtwn_softc *sc)
/* Write RF initialization values for this chain. */
i += r92c_init_rf_chain(sc, &sc->rf_prog[i], chain);
/* Restore RF_ENV control type. */
reg = rtwn_bb_read(sc, R92C_FPGA0_RFIFACESW(idx));
reg &= ~(0x10 << off) | (type << off);
rtwn_bb_write(sc, R92C_FPGA0_RFIFACESW(idx), reg);
/* Cache RF register CHNLBW. */
rs->rf_chnlbw[chain] = rtwn_rf_read(sc, chain, R92C_RF_CHNLBW);
}