From 15d7d7d435cfe1faa1abf62459d6269bb734cfe7 Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Tue, 10 May 2016 15:44:28 -0400 Subject: [PATCH] net: dsa: mv88e6xxx: abstract VTU/STU data access Both VTU and STU operations use the same routine to access their (common) data registers, with a different offset. Add VTU and STU specific read and write functions to the data registers to abstract the required offset. Signed-off-by: Vivien Didelot Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx.c | 32 ++++++++++++++++++++++++++++---- 1 file changed, 28 insertions(+), 4 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index 1e5ca8e0f48e..92be27d5db3a 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -1498,6 +1498,18 @@ static int _mv88e6xxx_vtu_stu_data_read(struct mv88e6xxx_priv_state *ps, return 0; } +static int mv88e6xxx_vtu_data_read(struct mv88e6xxx_priv_state *ps, + struct mv88e6xxx_vtu_stu_entry *entry) +{ + return _mv88e6xxx_vtu_stu_data_read(ps, entry, 0); +} + +static int mv88e6xxx_stu_data_read(struct mv88e6xxx_priv_state *ps, + struct mv88e6xxx_vtu_stu_entry *entry) +{ + return _mv88e6xxx_vtu_stu_data_read(ps, entry, 2); +} + static int _mv88e6xxx_vtu_stu_data_write(struct mv88e6xxx_priv_state *ps, struct mv88e6xxx_vtu_stu_entry *entry, unsigned int nibble_offset) @@ -1523,6 +1535,18 @@ static int _mv88e6xxx_vtu_stu_data_write(struct mv88e6xxx_priv_state *ps, return 0; } +static int mv88e6xxx_vtu_data_write(struct mv88e6xxx_priv_state *ps, + struct mv88e6xxx_vtu_stu_entry *entry) +{ + return _mv88e6xxx_vtu_stu_data_write(ps, entry, 0); +} + +static int mv88e6xxx_stu_data_write(struct mv88e6xxx_priv_state *ps, + struct mv88e6xxx_vtu_stu_entry *entry) +{ + return _mv88e6xxx_vtu_stu_data_write(ps, entry, 2); +} + static int _mv88e6xxx_vtu_vid_write(struct mv88e6xxx_priv_state *ps, u16 vid) { return _mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_VTU_VID, @@ -1551,7 +1575,7 @@ static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_priv_state *ps, next.valid = !!(ret & GLOBAL_VTU_VID_VALID); if (next.valid) { - ret = _mv88e6xxx_vtu_stu_data_read(ps, &next, 0); + ret = mv88e6xxx_vtu_data_read(ps, &next); if (ret < 0) return ret; @@ -1658,7 +1682,7 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_priv_state *ps, goto loadpurge; /* Write port member tags */ - ret = _mv88e6xxx_vtu_stu_data_write(ps, entry, 0); + ret = mv88e6xxx_vtu_data_write(ps, entry); if (ret < 0) return ret; @@ -1724,7 +1748,7 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_priv_state *ps, u8 sid, next.valid = !!(ret & GLOBAL_VTU_VID_VALID); if (next.valid) { - ret = _mv88e6xxx_vtu_stu_data_read(ps, &next, 2); + ret = mv88e6xxx_stu_data_read(ps, &next); if (ret < 0) return ret; } @@ -1747,7 +1771,7 @@ static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_priv_state *ps, goto loadpurge; /* Write port states */ - ret = _mv88e6xxx_vtu_stu_data_write(ps, entry, 2); + ret = mv88e6xxx_stu_data_write(ps, entry); if (ret < 0) return ret; -- 2.30.2