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net: dsa: Add support for switch EEPROM access

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On some chips it is possible to access the switch eeprom.
Add infrastructure support for it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guenter Roeck 2014-10-29 10:45:01 -07:00 • committed by David S. Miller
parent 87e5f66b37
commit 6793abb4e8
3 changed files with 55 additions and 0 deletions
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10
include/net/dsa.h
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@ -38,6 +38,9 @@ struct dsa_chip_data {
struct device *host_dev;
int sw_addr;
/* set to size of eeprom if supported by the switch */
int eeprom_len;
/* Device tree node pointer for this specific switch chip
* used during switch setup in case additional properties
* and resources needs to be used
@ -258,6 +261,13 @@ struct dsa_switch_driver {
int (*set_temp_limit)(struct dsa_switch *ds, int temp);
int (*get_temp_alarm)(struct dsa_switch *ds, bool *alarm);
#endif
/* EEPROM access */
int (*get_eeprom_len)(struct dsa_switch *ds);
int (*get_eeprom)(struct dsa_switch *ds,
struct ethtool_eeprom *eeprom, u8 *data);
int (*set_eeprom)(struct dsa_switch *ds,
struct ethtool_eeprom *eeprom, u8 *data);
};
void register_switch_driver(struct dsa_switch_driver *type);