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authorPeter Chiu <chui-hao.chiu@mediatek.com>2025-01-09 19:04:36 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-02-08 10:01:23 +0100
commit6e8e48a5831c67bcca235e7c59d1b81369ae6ae8 (patch)
tree5d1d4ece74c1029fe2ad60127ecbb4c1eb26ec5d
parent07cf0fa74a1ecca4effc912e363845ef021f4ca0 (diff)
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wifi: mt76: mt7996: fix register mapping
[ Upstream commit d07ecb4f7070e84de49e8fa4e5a83dd52716d805 ] Bypass the entry when ofs is equal to dev->reg.map[i].size. Without this patch, it would get incorrect register mapping when the CR address is located at the boundary of an entry. Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com> Signed-off-by: Shengyu Qu <wiagn233@outlook.com> Link: https://patch.msgid.link/OSZPR01MB84344FEFF53004B5CF40BCC198132@OSZPR01MB8434.jpnprd01.prod.outlook.com Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7996/mmio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
index 40e45fb2b626..442f72450352 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
@@ -177,7 +177,7 @@ static u32 __mt7996_reg_addr(struct mt7996_dev *dev, u32 addr)
continue;
ofs = addr - dev->reg.map[i].phys;
- if (ofs > dev->reg.map[i].size)
+ if (ofs >= dev->reg.map[i].size)
continue;
return dev->reg.map[i].mapped + ofs;