From fbe48e99bdfd076d0355f2cbf400548031be03dc Mon Sep 17 00:00:00 2001 From: Shiji Yang Date: Thu, 9 Nov 2023 12:42:09 +0800 Subject: [PATCH] mac80211: rt2x00: correct wrong BBP register in RxDCOC calibration This fix can reduce the total calibration time from 6 seconds to 1 second. Signed-off-by: Shiji Yang --- ...ect-wrong-BBP-register-in-RxDCOC-cal.patch | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 package/kernel/mac80211/patches/rt2x00/101-wifi-rt2x00-correct-wrong-BBP-register-in-RxDCOC-cal.patch diff --git a/package/kernel/mac80211/patches/rt2x00/101-wifi-rt2x00-correct-wrong-BBP-register-in-RxDCOC-cal.patch b/package/kernel/mac80211/patches/rt2x00/101-wifi-rt2x00-correct-wrong-BBP-register-in-RxDCOC-cal.patch new file mode 100644 index 0000000000..253d1d9c19 --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/101-wifi-rt2x00-correct-wrong-BBP-register-in-RxDCOC-cal.patch @@ -0,0 +1,26 @@ +From: Shiji Yang +Date: Thu, 9 Nov 2023 12:01:18 +0800 +Subject: [PATCH] wifi: rt2x00: correct wrong BBP register in RxDCOC + calibration + +Refer to Mediatek vendor driver RxDCOC_Calibration() function, when +performing gainfreeze calibration, we should write register 140 +instead of 141. This fix can reduce the total calibration time from +6 seconds to 1 second. + +Signed-off-by: Shiji Yang +--- + drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c +@@ -8711,7 +8711,7 @@ static void rt2800_rxdcoc_calibration(st + rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4); + rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, saverfb7r4); + +- rt2800_bbp_write(rt2x00dev, 158, 141); ++ rt2800_bbp_write(rt2x00dev, 158, 140); + bbpreg = rt2800_bbp_read(rt2x00dev, 159); + bbpreg = bbpreg & (~0x40); + rt2800_bbp_write(rt2x00dev, 159, bbpreg); -- 2.30.2