Date: Fri, 18 Oct 2013 07:43:50 +0000 (UTC) From: Kevin Lo <kevlo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r256720 - head/sys/dev/usb/wlan Message-ID: <201310180743.r9I7hoYY084333@svn.freebsd.org>
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Author: kevlo Date: Fri Oct 18 07:43:49 2013 New Revision: 256720 URL: http://svnweb.freebsd.org/changeset/base/256720 Log: Fix lower bits of RF_R3 for RT3370 and newer. This change doesn't affect older chipsets. Modified: head/sys/dev/usb/wlan/if_run.c Modified: head/sys/dev/usb/wlan/if_run.c ============================================================================== --- head/sys/dev/usb/wlan/if_run.c Fri Oct 18 07:42:50 2013 (r256719) +++ head/sys/dev/usb/wlan/if_run.c Fri Oct 18 07:43:49 2013 (r256720) @@ -3647,7 +3647,12 @@ run_rt3070_set_chan(struct run_softc *sc txpow2 = sc->txpow2[i]; run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n); - run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k); + + /* RT3370/RT3390: RF R3 [7:4] is not reserved bits. */ + run_rt3070_rf_read(sc, 3, &rf); + rf = (rf & ~0x0f) | rt3070_freqs[i].k; + run_rt3070_rf_write(sc, 3, rf); + run_rt3070_rf_read(sc, 6, &rf); rf = (rf & ~0x03) | rt3070_freqs[i].r; run_rt3070_rf_write(sc, 6, rf);
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