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. SDK patch: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/1a559ba2935fcf54eb1867e6ecd1ef7a2d2d0af8/autobuild/unified/filogic/mac80211/24.10/files/package/kernel/mt76/patches/0008-mtk-mt76-mt7996-fix-register-mapping.patch Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Peter Chiu <chui-hao.chiu@xxxxxxxxxxxx> Signed-off-by: Shengyu Qu <wiagn233@xxxxxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt7996/mmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c index f9aa12866a2e..9a65ddf8236a 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; -- 2.43.0
