From: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Date: Fri, 28 Jan 2022 06:05:04 +0000 (-0300)
Subject: net: dsa: realtek: rtl8365mb: use GENMASK(n-1,0) instead of BIT(n)-1
X-Git-Tag: v5.18-rc1~136^2~498^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c45e0fef9f8913b9dd01f42ebe3d01d13cc22f01;p=thirdparty%2Flinux.git

net: dsa: realtek: rtl8365mb: use GENMASK(n-1,0) instead of BIT(n)-1

Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c
index 8bffdcb99a3da..c2e6ec257a28a 100644
--- a/drivers/net/dsa/realtek/rtl8365mb.c
+++ b/drivers/net/dsa/realtek/rtl8365mb.c
@@ -1968,7 +1968,7 @@ static int rtl8365mb_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 = RTL8365MB_LEARN_LIMIT_MAX_8365MB_VC;
 		mb->jam_table = rtl8365mb_init_jam_8365mb_vc;
 		mb->jam_size = ARRAY_SIZE(rtl8365mb_init_jam_8365mb_vc);