This is a note to let you know that I've just added the patch titled mt76: mt7915: fix endian bug in mt7915_rf_regval_set() to the 5.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mt76-mt7915-fix-endian-bug-in-mt7915_rf_regval_set.patch and it can be found in the queue-5.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 7c1d3e0ae411c19a3408bb43ee2aabaf40300d48 Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Date: Thu May 19 16:57:22 2022 +0300 mt76: mt7915: fix endian bug in mt7915_rf_regval_set() [ Upstream commit f572dc969a59a80baa22bf2f7c9af0064402652f ] 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@xxxxxxxxxx> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index d0c719ecacd0..fd76db8f5269 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,