Re: [PATCH net-next v4 1/9] net: dsa: constify probed name

From: Andrew Lunn
Date: Sun Apr 17 2016 - 13:53:59 EST


On Sun, Apr 17, 2016 at 01:23:55PM -0400, Vivien Didelot wrote:
> Change the dsa_switch_driver.probe function to return a const char *.
>
> Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Thanks
Andrew

> ---
> drivers/net/dsa/bcm_sf2.c | 6 +++---
> drivers/net/dsa/mv88e6060.c | 10 +++++-----
> drivers/net/dsa/mv88e6123.c | 6 +++---
> drivers/net/dsa/mv88e6131.c | 6 +++---
> drivers/net/dsa/mv88e6171.c | 6 +++---
> drivers/net/dsa/mv88e6352.c | 6 +++---
> drivers/net/dsa/mv88e6xxx.c | 17 +++++++++--------
> drivers/net/dsa/mv88e6xxx.h | 8 ++++----
> include/net/dsa.h | 5 +++--
> net/dsa/dsa.c | 6 +++---
> 10 files changed, 39 insertions(+), 37 deletions(-)
>
> diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
> index 7a5f0ef..448deb5 100644
> --- a/drivers/net/dsa/bcm_sf2.c
> +++ b/drivers/net/dsa/bcm_sf2.c
> @@ -135,9 +135,9 @@ static int bcm_sf2_sw_get_sset_count(struct dsa_switch *ds)
> return BCM_SF2_STATS_SIZE;
> }
>
> -static char *bcm_sf2_sw_drv_probe(struct device *dsa_dev,
> - struct device *host_dev,
> - int sw_addr, void **_priv)
> +static const char *bcm_sf2_sw_drv_probe(struct device *dsa_dev,
> + struct device *host_dev, int sw_addr,
> + void **_priv)
> {
> struct bcm_sf2_priv *priv;
>
> diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c
> index 92cebab..e36b408 100644
> --- a/drivers/net/dsa/mv88e6060.c
> +++ b/drivers/net/dsa/mv88e6060.c
> @@ -51,7 +51,7 @@ static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
> return __ret; \
> })
>
> -static char *mv88e6060_get_name(struct mii_bus *bus, int sw_addr)
> +static const char *mv88e6060_get_name(struct mii_bus *bus, int sw_addr)
> {
> int ret;
>
> @@ -69,13 +69,13 @@ static char *mv88e6060_get_name(struct mii_bus *bus, int sw_addr)
> return NULL;
> }
>
> -static char *mv88e6060_drv_probe(struct device *dsa_dev,
> - struct device *host_dev,
> - int sw_addr, void **_priv)
> +static const char *mv88e6060_drv_probe(struct device *dsa_dev,
> + struct device *host_dev, int sw_addr,
> + void **_priv)
> {
> struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
> struct mv88e6060_priv *priv;
> - char *name;
> + const char *name;
>
> name = mv88e6060_get_name(bus, sw_addr);
> if (name) {
> diff --git a/drivers/net/dsa/mv88e6123.c b/drivers/net/dsa/mv88e6123.c
> index 140e44e..9701c0f 100644
> --- a/drivers/net/dsa/mv88e6123.c
> +++ b/drivers/net/dsa/mv88e6123.c
> @@ -29,9 +29,9 @@ static const struct mv88e6xxx_switch_id mv88e6123_table[] = {
> { PORT_SWITCH_ID_6165_A2, "Marvell 88e6165 (A2)" },
> };
>
> -static char *mv88e6123_drv_probe(struct device *dsa_dev,
> - struct device *host_dev,
> - int sw_addr, void **priv)
> +static const char *mv88e6123_drv_probe(struct device *dsa_dev,
> + struct device *host_dev, int sw_addr,
> + void **priv)
> {
> return mv88e6xxx_drv_probe(dsa_dev, host_dev, sw_addr, priv,
> mv88e6123_table,
> diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
> index 34d297b..fa3a354 100644
> --- a/drivers/net/dsa/mv88e6131.c
> +++ b/drivers/net/dsa/mv88e6131.c
> @@ -25,9 +25,9 @@ static const struct mv88e6xxx_switch_id mv88e6131_table[] = {
> { PORT_SWITCH_ID_6185, "Marvell 88E6185" },
> };
>
> -static char *mv88e6131_drv_probe(struct device *dsa_dev,
> - struct device *host_dev,
> - int sw_addr, void **priv)
> +static const char *mv88e6131_drv_probe(struct device *dsa_dev,
> + struct device *host_dev, int sw_addr,
> + void **priv)
> {
> return mv88e6xxx_drv_probe(dsa_dev, host_dev, sw_addr, priv,
> mv88e6131_table,
> diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c
> index b7af2b78..8d86c9e 100644
> --- a/drivers/net/dsa/mv88e6171.c
> +++ b/drivers/net/dsa/mv88e6171.c
> @@ -24,9 +24,9 @@ static const struct mv88e6xxx_switch_id mv88e6171_table[] = {
> { PORT_SWITCH_ID_6351, "Marvell 88E6351" },
> };
>
> -static char *mv88e6171_drv_probe(struct device *dsa_dev,
> - struct device *host_dev,
> - int sw_addr, void **priv)
> +static const char *mv88e6171_drv_probe(struct device *dsa_dev,
> + struct device *host_dev, int sw_addr,
> + void **priv)
> {
> return mv88e6xxx_drv_probe(dsa_dev, host_dev, sw_addr, priv,
> mv88e6171_table,
> diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c
> index e8cb03f..c7fa69c 100644
> --- a/drivers/net/dsa/mv88e6352.c
> +++ b/drivers/net/dsa/mv88e6352.c
> @@ -37,9 +37,9 @@ static const struct mv88e6xxx_switch_id mv88e6352_table[] = {
> { PORT_SWITCH_ID_6352_A1, "Marvell 88E6352 (A1)" },
> };
>
> -static char *mv88e6352_drv_probe(struct device *dsa_dev,
> - struct device *host_dev,
> - int sw_addr, void **priv)
> +static const char *mv88e6352_drv_probe(struct device *dsa_dev,
> + struct device *host_dev, int sw_addr,
> + void **priv)
> {
> return mv88e6xxx_drv_probe(dsa_dev, host_dev, sw_addr, priv,
> mv88e6352_table,
> diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
> index b018f20..25d7fec 100644
> --- a/drivers/net/dsa/mv88e6xxx.c
> +++ b/drivers/net/dsa/mv88e6xxx.c
> @@ -3173,9 +3173,10 @@ int mv88e6xxx_get_temp_alarm(struct dsa_switch *ds, bool *alarm)
> }
> #endif /* CONFIG_NET_DSA_HWMON */
>
> -static char *mv88e6xxx_lookup_name(struct mii_bus *bus, int sw_addr,
> - const struct mv88e6xxx_switch_id *table,
> - unsigned int num)
> +static const char *
> +mv88e6xxx_lookup_name(struct mii_bus *bus, int sw_addr,
> + const struct mv88e6xxx_switch_id *table,
> + unsigned int num)
> {
> int i, ret;
>
> @@ -3205,14 +3206,14 @@ static char *mv88e6xxx_lookup_name(struct mii_bus *bus, int sw_addr,
> return NULL;
> }
>
> -char *mv88e6xxx_drv_probe(struct device *dsa_dev, struct device *host_dev,
> - int sw_addr, void **priv,
> - const struct mv88e6xxx_switch_id *table,
> - unsigned int num)
> +const char *mv88e6xxx_drv_probe(struct device *dsa_dev, struct device *host_dev,
> + int sw_addr, void **priv,
> + const struct mv88e6xxx_switch_id *table,
> + unsigned int num)
> {
> struct mv88e6xxx_priv_state *ps;
> struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
> - char *name;
> + const char *name;
>
> if (!bus)
> return NULL;
> diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
> index 0debb9f..5eb6013 100644
> --- a/drivers/net/dsa/mv88e6xxx.h
> +++ b/drivers/net/dsa/mv88e6xxx.h
> @@ -462,10 +462,10 @@ struct mv88e6xxx_hw_stat {
> };
>
> int mv88e6xxx_switch_reset(struct dsa_switch *ds, bool ppu_active);
> -char *mv88e6xxx_drv_probe(struct device *dsa_dev, struct device *host_dev,
> - int sw_addr, void **priv,
> - const struct mv88e6xxx_switch_id *table,
> - unsigned int num);
> +const char *mv88e6xxx_drv_probe(struct device *dsa_dev, struct device *host_dev,
> + int sw_addr, void **priv,
> + const struct mv88e6xxx_switch_id *table,
> + unsigned int num);
>
> int mv88e6xxx_setup_ports(struct dsa_switch *ds);
> int mv88e6xxx_setup_common(struct dsa_switch *ds);
> diff --git a/include/net/dsa.h b/include/net/dsa.h
> index 689ebd3..c4bc42b 100644
> --- a/include/net/dsa.h
> +++ b/include/net/dsa.h
> @@ -217,8 +217,9 @@ struct dsa_switch_driver {
> /*
> * Probing and setup.
> */
> - char *(*probe)(struct device *dsa_dev, struct device *host_dev,
> - int sw_addr, void **priv);
> + const char *(*probe)(struct device *dsa_dev,
> + struct device *host_dev, int sw_addr,
> + void **priv);
> int (*setup)(struct dsa_switch *ds);
> int (*set_addr)(struct dsa_switch *ds, u8 *addr);
> u32 (*get_phy_flags)(struct dsa_switch *ds, int port);
> diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
> index 60ea9848..efa612f 100644
> --- a/net/dsa/dsa.c
> +++ b/net/dsa/dsa.c
> @@ -52,11 +52,11 @@ EXPORT_SYMBOL_GPL(unregister_switch_driver);
>
> static struct dsa_switch_driver *
> dsa_switch_probe(struct device *parent, struct device *host_dev, int sw_addr,
> - char **_name, void **priv)
> + const char **_name, void **priv)
> {
> struct dsa_switch_driver *ret;
> struct list_head *list;
> - char *name;
> + const char *name;
>
> ret = NULL;
> name = NULL;
> @@ -383,7 +383,7 @@ dsa_switch_setup(struct dsa_switch_tree *dst, int index,
> struct dsa_switch_driver *drv;
> struct dsa_switch *ds;
> int ret;
> - char *name;
> + const char *name;
> void *priv;
>
> /*
> --
> 2.8.0
>