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authorVivien Didelot <vivien.didelot@savoirfairelinux.com>2016-05-10 22:44:28 +0300
committerDavid S. Miller <davem@davemloft.net>2016-05-12 02:34:23 +0300
commit15d7d7d435cfe1faa1abf62459d6269bb734cfe7 (patch)
tree1b85e16c71241eddbb0caff60d623f137a382c4d /drivers
parentc3f1010b30f7fc611139cfb702a8685741aa6827 (diff)
downloadlinux-15d7d7d435cfe1faa1abf62459d6269bb734cfe7.tar.xz
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 <vivien.didelot@savoirfairelinux.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/dsa/mv88e6xxx.c32
1 files 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;