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/+/3627eb7e975959ed944e333e383e92f01ac5cdb9/autobuild/autobuild_5.4_mac80211_release/package/kernel/mt76/patches/0026-wifi-mt76-mt7915-fix-register-mapping.patch Fixes: cd4c314a65d3 ("mt76: mt7915: refine register definition") Signed-off-by: Peter Chiu <chui-hao.chiu@xxxxxxxxxxxx> Signed-off-by: Shengyu Qu <wiagn233@xxxxxxxxxxx> --- 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 530182e20ce2..876f0692850a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c @@ -486,7 +486,7 @@ 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; -- 2.43.0
