#include <linux/platform_device.h>
#include <linux/slab.h>
+#define I2C_MAX_RETRIES 3
+
/**
* struct ec_i2c_device - Driver data for I2C tunnel
*
msg->addr_flags = i2c_msg->addr;
if (i2c_msg->flags & I2C_M_TEN)
- msg->addr_flags |= EC_I2C_FLAG_10BIT;
+ return -EINVAL;
if (i2c_msg->flags & I2C_M_RD) {
msg->addr_flags |= EC_I2C_FLAG_READ;
}
}
- ec_i2c_construct_message(request, i2c_msgs, num, bus_num);
+ result = ec_i2c_construct_message(request, i2c_msgs, num, bus_num);
+ if (result)
+ goto exit;
msg.version = 0;
msg.command = EC_CMD_I2C_PASSTHRU;
msg.indata = response;
msg.insize = response_len;
- result = bus->ec->cmd_xfer(bus->ec, &msg);
+ result = cros_ec_cmd_xfer(bus->ec, &msg);
if (result < 0)
goto exit;
bus->adap.algo_data = bus;
bus->adap.dev.parent = &pdev->dev;
bus->adap.dev.of_node = np;
+ bus->adap.retries = I2C_MAX_RETRIES;
err = i2c_add_adapter(&bus->adap);
if (err) {
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id cros_ec_i2c_of_match[] = {
+ { .compatible = "google,cros-ec-i2c-tunnel" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, cros_ec_i2c_of_match);
+#endif
+
static struct platform_driver ec_i2c_tunnel_driver = {
.probe = ec_i2c_probe,
.remove = ec_i2c_remove,
.driver = {
.name = "cros-ec-i2c-tunnel",
+ .of_match_table = of_match_ptr(cros_ec_i2c_of_match),
},
};