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Date: Thu, 5 May 2016 18:41:00 -0400 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: [RFC PATCH net-next 16/20] net: dsa: mv88e6xxx: factorize GLOBAL_CONTROL_2 setup All switch models setup the GLOBAL_CONTROL_2 register with slightly differences. Since the cascade mode is valid even in a single chip setup, factorize such configuration. Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com> --- drivers/net/dsa/mv88e6123.c | 15 --------------- drivers/net/dsa/mv88e6131.c | 16 ---------------- drivers/net/dsa/mv88e6171.c | 15 --------------- drivers/net/dsa/mv88e6352.c | 14 -------------- drivers/net/dsa/mv88e6xxx.c | 7 +++++++ 5 files changed, 7 insertions(+), 60 deletions(-) diff --git a/drivers/net/dsa/mv88e6123.c b/drivers/net/dsa/mv88e6123.c index 98eaee1..9d3f672 100644 --- a/drivers/net/dsa/mv88e6123.c +++ b/drivers/net/dsa/mv88e6123.c @@ -54,17 +54,6 @@ static const char *mv88e6123_drv_probe(struct device *dsa_dev, ARRAY_SIZE(mv88e6123_table)); } -static int mv88e6123_setup_global(struct dsa_switch *ds) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - - /* Disable remote management for now, and set the switch's - * DSA device number. - */ - return mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2, - ds->index & 0x1f); -} - static int mv88e6123_setup(struct dsa_switch *ds) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); @@ -76,10 +65,6 @@ static int mv88e6123_setup(struct dsa_switch *ds) if (ret < 0) return ret; - ret = mv88e6123_setup_global(ds); - if (ret < 0) - return ret; - return mv88e6xxx_setup_ports(ds); } diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c index c675070..14d0722 100644 --- a/drivers/net/dsa/mv88e6131.c +++ b/drivers/net/dsa/mv88e6131.c @@ -77,22 +77,6 @@ static const char *mv88e6131_drv_probe(struct device *dsa_dev, static int mv88e6131_setup_global(struct dsa_switch *ds) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - int ret; - - /* Disable cascade port functionality unless this device - * is used in a cascade configuration, and set the switch's - * DSA device number. - */ - if (ds->dst->pd->nr_chips > 1) - ret = mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2, - GLOBAL_CONTROL_2_MULTIPLE_CASCADE | - (ds->index & 0x1f)); - else - ret = mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2, - GLOBAL_CONTROL_2_NO_CASCADE | - (ds->index & 0x1f)); - if (ret) - return ret; /* Force the priority of IGMP/MLD snoop frames and ARP frames * to the highest setting. diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c index 4c14f9f..df7a810 100644 --- a/drivers/net/dsa/mv88e6171.c +++ b/drivers/net/dsa/mv88e6171.c @@ -86,17 +86,6 @@ static const char *mv88e6171_drv_probe(struct device *dsa_dev, ARRAY_SIZE(mv88e6171_table)); } -static int mv88e6171_setup_global(struct dsa_switch *ds) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - - /* Disable remote management for now, and set the switch's - * DSA device number. - */ - return mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2, - ds->index & 0x1f); -} - static int mv88e6171_setup(struct dsa_switch *ds) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); @@ -108,10 +97,6 @@ static int mv88e6171_setup(struct dsa_switch *ds) if (ret < 0) return ret; - ret = mv88e6171_setup_global(ds); - if (ret < 0) - return ret; - return mv88e6xxx_setup_ports(ds); } diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c index 52547d0..b24bae1 100644 --- a/drivers/net/dsa/mv88e6352.c +++ b/drivers/net/dsa/mv88e6352.c @@ -137,16 +137,6 @@ static const char *mv88e6352_drv_probe(struct device *dsa_dev, ARRAY_SIZE(mv88e6352_table)); } -static int mv88e6352_setup_global(struct dsa_switch *ds) -{ - struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - - /* Disable remote management for now, and set the switch's - * DSA device number. - */ - return mv88e6xxx_reg_write(ps, REG_GLOBAL, 0x1c, ds->index & 0x1f); -} - static int mv88e6352_setup(struct dsa_switch *ds) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); @@ -158,10 +148,6 @@ static int mv88e6352_setup(struct dsa_switch *ds) if (ret < 0) return ret; - ret = mv88e6352_setup_global(ds); - if (ret < 0) - return ret; - return mv88e6xxx_setup_ports(ds); } diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index de37f20..2c4594b 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2949,6 +2949,13 @@ static int _mv88e6xxx_setup_global(struct mv88e6xxx_priv_state *ps) if (err) return err; + /* Disable remote management, and set the switch's DSA device number. */ + err = _mv88e6xxx_reg_write(ps, REG_GLOBAL, GLOBAL_CONTROL_2, + GLOBAL_CONTROL_2_MULTIPLE_CASCADE | + (ds->index & 0x1f)); + if (err) + return err; + /* Set the default address aging time to 5 minutes, and * enable address learn messages to be sent to all message * ports. -- 2.8.2
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