[RFC PATCH net-next 07/20] net: dsa: mv88e6xxx: factorize registers access

[Vivien Didelot]

Only 6131 was not supporting the port registers access yet. Assume such
support and use the unlock access routines in the meantime.

Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
---
 drivers/net/dsa/mv88e6131.c | 2 ++
 drivers/net/dsa/mv88e6xxx.c | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index 73cf879..89cabbf 100644
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -157,6 +157,8 @@ struct dsa_switch_driver mv88e6131_switch_driver = {
        .get_sset_count         = mv88e6xxx_get_sset_count,
        .get_eeprom             = mv88e6xxx_get_eeprom,
        .set_eeprom             = mv88e6xxx_set_eeprom,
+       .get_regs_len           = mv88e6xxx_get_regs_len,
+       .get_regs               = mv88e6xxx_get_regs,
 #ifdef CONFIG_NET_DSA_HWMON
        .get_temp               = mv88e6xxx_get_temp,
        .get_temp_limit         = mv88e6xxx_get_temp_limit,
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 1fbd6d2..4ed6379 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -706,13 +706,17 @@ void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
 
        memset(p, 0xff, 32 * sizeof(u16));
 
+       mutex_lock(&ps->smi_mutex);
+
        for (i = 0; i < 32; i++) {
                int ret;
 
-               ret = mv88e6xxx_reg_read(ps, REG_PORT(port), i);
+               ret = _mv88e6xxx_reg_read(ps, REG_PORT(port), i);
                if (ret >= 0)
                        p[i] = ret;
        }
+
+       mutex_unlock(&ps->smi_mutex);
 }
 
 static int _mv88e6xxx_wait(struct mv88e6xxx_priv_state *ps, int reg, int 
offset,
-- 
2.8.2