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Date: Fri, 17 Feb 2017 10:05:26 -0500 From: Vivien Didelot <vivien.didelot@...oirfairelinux.com> To: netdev@...r.kernel.org Cc: linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com, "David S. Miller" <davem@...emloft.net>, Florian Fainelli <f.fainelli@...il.com>, Andrew Lunn <andrew@...n.ch>, Vivien Didelot <vivien.didelot@...oirfairelinux.com> Subject: [PATCH net-next v2 1/6] net: dsa: mv88e6xxx: add port mask helper Add a mv88e6xxx_port_mask() helper to get the bitmask of ports in a switch chip, that will be used in several features. Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com> --- drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 5 +++++ drivers/net/dsa/mv88e6xxx/port.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h index 6033f2f6260a..166b513ff751 100644 --- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h +++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h @@ -944,6 +944,11 @@ static inline unsigned int mv88e6xxx_num_ports(struct mv88e6xxx_chip *chip) return chip->info->num_ports; } +static inline u16 mv88e6xxx_port_mask(struct mv88e6xxx_chip *chip) +{ + return GENMASK(mv88e6xxx_num_ports(chip) - 1, 0); +} + int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val); int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val); int mv88e6xxx_update(struct mv88e6xxx_chip *chip, int addr, int reg, diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 8875784c4718..9bb0f2134cba 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -539,7 +539,7 @@ int mv88e6351_port_set_egress_unknowns(struct mv88e6xxx_chip *chip, int port, int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map) { - const u16 mask = GENMASK(mv88e6xxx_num_ports(chip) - 1, 0); + const u16 mask = mv88e6xxx_port_mask(chip); u16 reg; int err; -- 2.11.1
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