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authorIngo Molnar <mingo@kernel.org>2015-02-04 07:58:29 +0100
committerIngo Molnar <mingo@kernel.org>2015-02-04 07:58:29 +0100
commit8f4bf4bcc4d6f70a47baec5d73bd411e572842e0 (patch)
tree8ed86ebd19c32a629bfcfb43378bf32acd14c7d6 /include/linux/i2c.h
parent1ed39bac21c3c2934b18de34df9478ad7b8edf1f (diff)
parente36f014edff70fc02b3d3d79cead1d58f289332e (diff)
Merge tag 'v3.19-rc7' into perf/core, to merge fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/i2c.h')
-rw-r--r--include/linux/i2c.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index e3a1721c8354..7c7695940ddd 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -228,7 +228,9 @@ struct i2c_client {
struct device dev; /* the device structure */
int irq; /* irq issued by device */
struct list_head detected;
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
i2c_slave_cb_t slave_cb; /* callback for slave mode */
+#endif
};
#define to_i2c_client(d) container_of(d, struct i2c_client, dev)
@@ -253,6 +255,7 @@ static inline void i2c_set_clientdata(struct i2c_client *dev, void *data)
/* I2C slave support */
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
enum i2c_slave_event {
I2C_SLAVE_REQ_READ_START,
I2C_SLAVE_REQ_READ_END,
@@ -269,6 +272,7 @@ static inline int i2c_slave_event(struct i2c_client *client,
{
return client->slave_cb(client, event, val);
}
+#endif
/**
* struct i2c_board_info - template for device creation
@@ -404,8 +408,10 @@ struct i2c_algorithm {
/* To determine what the adapter supports */
u32 (*functionality) (struct i2c_adapter *);
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
int (*reg_slave)(struct i2c_client *client);
int (*unreg_slave)(struct i2c_client *client);
+#endif
};
/**