6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Peter Chiu chui-hao.chiu@mediatek.com
[ Upstream commit dd1649ef966bb87053c17385ea2cfd1758f5385b ]
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: cd4c314a65d3 ("mt76: mt7915: refine register definition") Signed-off-by: Peter Chiu chui-hao.chiu@mediatek.com Signed-off-by: Shengyu Qu wiagn233@outlook.com Link: https://patch.msgid.link/OSZPR01MB843401EAA1DA6BD7AEF356F298132@OSZPR01MB843... Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7915/mmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c index a306a42777d78..7db436d908a39 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c @@ -484,7 +484,7 @@ static u32 __mt7915_reg_addr(struct mt7915_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].maps + ofs;