From 7543a6d5359e371ce9434955dbe6a79f548ea321 Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Wed, 13 Apr 2016 02:40:40 +0200 Subject: net: dsa: Have the switch driver allocate there own private memory Now the switch devices have a dev pointer, make use of it for allocating the drivers private data structures using a devm_kzalloc(). Signed-off-by: Andrew Lunn Acked-by: Florian Fainelli Tested-by: Vivien Didelot Signed-off-by: David S. Miller --- include/net/dsa.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/net/dsa.h b/include/net/dsa.h index 0f9f6f38f255..7bc7bd9b5ded 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -129,6 +129,12 @@ struct dsa_switch { struct dsa_switch_tree *dst; int index; + /* + * Give the switch driver somewhere to hang its private data + * structure. + */ + void *priv; + /* * Tagging protocol understood by this switch */ @@ -213,7 +219,7 @@ struct dsa_switch_driver { * Probing and setup. */ char *(*probe)(struct device *dsa_dev, struct device *host_dev, - int sw_addr); + 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); @@ -342,7 +348,7 @@ struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); static inline void *ds_to_priv(struct dsa_switch *ds) { - return (void *)(ds + 1); + return ds->priv; } static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst) -- cgit v1.2.3