summaryrefslogtreecommitdiffstats
path: root/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
diff options
context:
space:
mode:
authorVivien Didelot <vivien.didelot@savoirfairelinux.com>2017-03-11 22:12:47 +0100
committerDavid S. Miller <davem@davemloft.net>2017-03-13 07:54:04 +0100
commit4d294af2cd932e0c1b2534137b143920c17dffd6 (patch)
treedbc5239e30441b9f62b5d2bbdb18d1595144f1d9 /drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
parentMerge branch 'mlxsw-tc-flower-offload-stats' (diff)
downloadlinux-4d294af2cd932e0c1b2534137b143920c17dffd6.tar.xz
linux-4d294af2cd932e0c1b2534137b143920c17dffd6.zip
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@savoirfairelinux.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/mv88e6xxx.h')
-rw-r--r--drivers/net/dsa/mv88e6xxx/mv88e6xxx.h5
1 files changed, 5 insertions, 0 deletions
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,