igb: Add i2c interface to igb.
Some of our adapters have sensors on them accessible via i2c and a private
interface. This patch implements the kernel interface for i2c to those sensors.
Subsequent patches will provide functions to export that data.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 17f1686..9f1af1b 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -39,6 +39,8 @@
#include <linux/ptp_clock_kernel.h>
#include <linux/bitops.h>
#include <linux/if_vlan.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
struct igb_adapter;
@@ -301,6 +303,11 @@
return ring->count + ring->next_to_clean - ring->next_to_use - 1;
}
+struct igb_i2c_client_list {
+ struct i2c_client *client;
+ struct igb_i2c_client_list *next;
+};
+
/* board specific private data structure */
struct igb_adapter {
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
@@ -391,6 +398,9 @@
struct timecounter tc;
char fw_version[32];
+ struct i2c_algo_bit_data i2c_algo;
+ struct i2c_adapter i2c_adap;
+ struct igb_i2c_client_list *i2c_clients;
};
#define IGB_FLAG_HAS_MSI (1 << 0)
@@ -466,7 +476,6 @@
extern int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
struct ifreq *ifr, int cmd);
-
static inline s32 igb_reset_phy(struct e1000_hw *hw)
{
if (hw->phy.ops.reset)
