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From d20eadcb4eac59c5168f48c33836fba32b8cd1ae Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Fri, 16 Sep 2022 20:26:03 +0100
Subject: [PATCH 11/16] rt2x00: fix HT20/HT40 bandwidth switch on MT7620
To: linux-wireless@vger.kernel.org,
Stanislaw Gruszka <stf_xl@wp.pl>,
Helmut Schaa <helmut.schaa@googlemail.com>
Cc: Kalle Valo <kvalo@kernel.org>,
David S. Miller <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>,
Johannes Berg <johannes.berg@intel.com>
Add missing configuration of the channel bandwidth filter to the
channel setup function for MT7620.
Reported-by: Serge Vasilugin <vasilugin@yandex.ru>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -3814,6 +3814,14 @@ static void rt2800_config_channel_rf7620
rfcsr |= tx_agc_fc;
rt2800_rfcsr_write_bank(rt2x00dev, 7, 59, rfcsr);
}
+
+ if (conf_is_ht40(conf)) {
+ rt2800_bbp_glrt_write(rt2x00dev, 141, 0x10);
+ rt2800_bbp_glrt_write(rt2x00dev, 157, 0x2f);
+ } else {
+ rt2800_bbp_glrt_write(rt2x00dev, 141, 0x1a);
+ rt2800_bbp_glrt_write(rt2x00dev, 157, 0x40);
+ }
}
static void rt2800_config_alc(struct rt2x00_dev *rt2x00dev,
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