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From: Lorenzo Bianconi <lorenzo@kernel.org>
To: nbd@nbd.name
Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com,
	ryder.lee@mediatek.com, royluo@google.com
Subject: [PATCH v3 1/3] mt76: mt76x02: fix coverage_class type
Date: Fri,  6 Dec 2019 07:46:23 +0200	[thread overview]
Message-ID: <c1470293c00670906c95d02dbf5b89e36e7bc1dd.1575609821.git.lorenzo@kernel.org> (raw)
In-Reply-To: <cover.1575609821.git.lorenzo@kernel.org>

Fix coverage_class type in mt76x02_dev data structure since
coverage_class can be negative to enable dynack (just supported by
ath9k). Set 0 as minimum value for coverage_class

Fixes: 7bc04215a66b ("mt76: add driver code for MT76x2e")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt76x02.h      | 2 +-
 drivers/net/wireless/mediatek/mt76/mt76x02_util.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02.h b/drivers/net/wireless/mediatek/mt76/mt76x02.h
index ba4c14eea22d..57665516d00e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02.h
@@ -116,7 +116,7 @@ struct mt76x02_dev {
 
 	bool no_2ghz;
 
-	u8 coverage_class;
+	s16 coverage_class;
 	u8 slottime;
 
 	struct mt76x02_dfs_pattern_detector dfs_pd;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
index e5685d9534e4..ab717d82d771 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
@@ -545,7 +545,7 @@ void mt76x02_set_coverage_class(struct ieee80211_hw *hw,
 	struct mt76x02_dev *dev = hw->priv;
 
 	mutex_lock(&dev->mt76.mutex);
-	dev->coverage_class = coverage_class;
+	dev->coverage_class = max_t(s16, coverage_class, 0);
 	mt76x02_set_tx_ackto(dev);
 	mutex_unlock(&dev->mt76.mutex);
 }
-- 
2.21.0


  reply	other threads:[~2019-12-06  5:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-06  5:46 [PATCH v3 0/3] add set_coverage support to mt7615 driver Lorenzo Bianconi
2019-12-06  5:46 ` Lorenzo Bianconi [this message]
2019-12-06  5:46 ` [PATCH v3 2/3] mt76: mt7603: set 0 as min coverage_class value Lorenzo Bianconi
2019-12-06  5:46 ` [PATCH v3 3/3] mt76: mt7615: add set_coverage class support Lorenzo Bianconi
2019-12-08  7:18 ` [PATCH v3 0/3] add set_coverage support to mt7615 driver Lorenzo Bianconi

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