From: Dan Carpenter <dan.carpenter@oracle.com>
To: Felix Fietkau <nbd@nbd.name>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>,
Ryder Lee <ryder.lee@mediatek.com>,
Shayne Chen <shayne.chen@mediatek.com>,
Sean Wang <sean.wang@mediatek.com>, Kalle Valo <kvalo@kernel.org>,
Paolo Abeni <pabeni@redhat.com>, Bo Jiao <Bo.Jiao@mediatek.com>,
MeiChia Chiu <meichia.chiu@mediatek.com>,
Ben Greear <greearb@candelatech.com>,
Peter Chiu <chui-hao.chiu@mediatek.com>,
linux-wireless@vger.kernel.org,
linux-mediatek@lists.infradead.org,
kernel-janitors@vger.kernel.org
Subject: [PATCH] mt76: mt7915: fix endian bug in mt7915_rf_regval_set()
Date: Thu, 19 May 2022 16:57:22 +0300 [thread overview]
Message-ID: <YoZMwqVnZYUprg6u@kili> (raw)
This code is supposed to set a u32 value, but casting will not work on
big endian systems.
Fixes: 0a17329ae9c1 ("mt76: mt7915: add debugfs knob for RF registers read/write")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index cab6e02e1f8c..5dc8ef8cec83 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -985,8 +985,9 @@ static int
mt7915_rf_regval_set(void *data, u64 val)
{
struct mt7915_dev *dev = data;
+ u32 val32 = val;
- return mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, (u32 *)&val, true);
+ return mt7915_mcu_rf_regval(dev, dev->mt76.debugfs_reg, &val32, true);
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_rf_regval, mt7915_rf_regval_get,
--
2.35.1
reply other threads:[~2022-05-19 14:02 UTC|newest]
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