The beginning of the struct is guaranteed to be 4-byte aligned, and this attribute allows the compiler to generate more efficient code Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt7615/mac.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.h b/drivers/net/wireless/mediatek/mt76/mt7615/mac.h index 8f053fadd3df..9b7c45bf1ec5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.h @@ -243,7 +243,7 @@ struct mt7615_txp { u8 nbuf; __le32 buf[MT_TXP_MAX_BUF_NUM]; __le16 len[MT_TXP_MAX_BUF_NUM]; -} __packed; +} __packed __aligned(4); struct mt7615_tx_free { __le16 rx_byte_cnt; @@ -251,7 +251,7 @@ struct mt7615_tx_free { u8 txd_cnt; u8 rsv[3]; __le16 token[]; -} __packed; +} __packed __aligned(4); #define MT_TX_FREE_MSDU_ID_CNT GENMASK(6, 0) -- 2.24.0