netdev - [PATCH net-next 11/13] net: dsa: realtek: rtl8367c: use GENMASK(n-1,0) instead of BIT(n)-1

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Date:   Thu, 16 Dec 2021 17:13:40 -0300
From:   luizluca@...il.com
To:     netdev@...r.kernel.org
Cc:     linus.walleij@...aro.org, andrew@...n.ch, vivien.didelot@...il.com,
        f.fainelli@...il.com, olteanv@...il.com, alsi@...g-olufsen.dk,
        arinc.unal@...nc9.com,
        Luiz Angelo Daros de Luca <luizluca@...il.com>
Subject: [PATCH net-next 11/13] net: dsa: realtek: rtl8367c: use GENMASK(n-1,0) instead of BIT(n)-1

From: Luiz Angelo Daros de Luca <luizluca@...il.com>

Tested-by: Arınç ÜNAL <arinc.unal@...nc9.com>
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@...il.com>
---
 drivers/net/dsa/realtek/rtl8367c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/realtek/rtl8367c.c b/drivers/net/dsa/realtek/rtl8367c.c
index 6aca48165d1f..f370ea948c59 100644
--- a/drivers/net/dsa/realtek/rtl8367c.c
+++ b/drivers/net/dsa/realtek/rtl8367c.c
@@ -1955,7 +1955,7 @@ static int rtl8367c_detect(struct realtek_priv *priv)
 		mb->priv = priv;
 		mb->chip_id = chip_id;
 		mb->chip_ver = chip_ver;
-		mb->port_mask = BIT(priv->num_ports) - 1;
+		mb->port_mask = GENMASK(priv->num_ports-1,0);
 		mb->learn_limit_max = RTL8367C_LEARN_LIMIT_MAX;
 		mb->jam_table = rtl8367c_init_jam_8367c;
 		mb->jam_size = ARRAY_SIZE(rtl8367c_init_jam_8367c);
-- 
2.34.0