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dsa: Replace mii_bus with a generic host device

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This change makes it so that instead of passing and storing a mii_bus we
instead pass and store a host_dev.  From there we can test to determine the
exact type of device, and can verify it is the correct device for our switch.

So for example it would be possible to pass a device pointer from a pci_dev
and instead of checking for a PHY ID we could check for a vendor and/or device
ID.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2014-09-15 13:00:27 -04:00 • committed by David S. Miller
parent 5075314e4e
commit b4d2394d01
10 changed files with 42 additions and 32 deletions
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9
include/net/dsa.h
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@ -34,7 +34,7 @@ struct dsa_chip_data {
/*
* How to access the switch configuration registers.
*/
struct device *mii_bus;
struct device *host_dev;
int sw_addr;
/* Device tree node pointer for this specific switch chip
@ -134,9 +134,9 @@ struct dsa_switch {
struct dsa_switch_driver *drv;
/*
* Reference to mii bus to use.
* Reference to host device to use.
*/
struct mii_bus *master_mii_bus;
struct device *master_dev;
/*
* Slave mii_bus and devices for the individual ports.
@ -178,7 +178,7 @@ struct dsa_switch_driver {
/*
* Probing and setup.
*/
char *(*probe)(struct mii_bus *bus, int sw_addr);
char *(*probe)(struct device *host_dev, int sw_addr);
int (*setup)(struct dsa_switch *ds);
int (*set_addr)(struct dsa_switch *ds, u8 *addr);
@ -213,6 +213,7 @@ struct dsa_switch_driver {
void register_switch_driver(struct dsa_switch_driver *type);
void unregister_switch_driver(struct dsa_switch_driver *type);
struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev);
static inline void *ds_to_priv(struct dsa_switch *ds)
{