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From:   Howard Hsu <howard-yh.hsu@mediatek.com>
To:     Felix Fietkau <nbd@nbd.name>
CC:     Lorenzo Bianconi <lorenzo.bianconi@redhat.com>,
        Ryder Lee <ryder.Lee@mediatek.com>,
        Shayne Chen <shayne.chen@mediatek.com>,
        Evelyn Tsai <evelyn.tsai@mediatek.com>,
        <linux-wireless@vger.kernel.org>,
        <linux-mediatek@lists.infradead.org>,
        Howard Hsu <howard-yh.hsu@mediatek.com>
Subject: [PATCH] wifi: mt76: mt7915: do not check state before configuring implicit beamform
Date:   Thu, 18 Aug 2022 10:44:07 +0800
Message-ID: <20220818024407.4778-1-howard-yh.hsu@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Do not need to check running state before configuring implicit Tx
beamform. It is okay to configure implicit Tx beamform in run time.
Noted that the existing connected stations will be applied for new
configuration only if they reconnected to the interface.

Fixes: 6377b7f330be ("mt76: mt7915: add implicit Tx beamforming support")

Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index fd76db8f5269..6ef3431cad64 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -23,9 +23,9 @@ mt7915_implicit_txbf_set(void *data, u64 val)
 {
 	struct mt7915_dev *dev = data;
 
-	if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
-		return -EBUSY;
-
+	/* The existing connected stations shall reconnect to apply
+	 * new implicit txbf configuration.
+	 */
 	dev->ibf = !!val;
 
 	return mt7915_mcu_set_txbf(dev, MT_BF_TYPE_UPDATE);
-- 
2.18.0