[PATCH hisi] Input: i2c_atmel_read() can be static

[kbuild test robot]

drivers/input/touchscreen/atmel_mXT224E.c:460:5: sparse: symbol 'i2c_atmel_read' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:496:5: sparse: symbol 'i2c_atmel_write' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:532:5: sparse: symbol 'i2c_atmel_write_byte_data' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:538:10: sparse: symbol 'get_object_address' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:547:9: sparse: symbol 'get_object_size' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:557:9: sparse: symbol 'get_object_size_from_address' was not declared. Should it be static?
drivers/input/touchscreen/atmel_mXT224E.c:847:32: sparse: symbol 'atmel_ts_get_pdata' was not declared. Should it be static?

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 atmel_mXT224E.c |   14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/input/touchscreen/atmel_mXT224E.c b/drivers/input/touchscreen/atmel_mXT224E.c
index 0a7fab2..99bcfde 100644
--- a/drivers/input/touchscreen/atmel_mXT224E.c
+++ b/drivers/input/touchscreen/atmel_mXT224E.c
@@ -457,7 +457,7 @@ static struct atmel_ts_data *private_ts;
 #define LDO_POWR_VOLTAGE 2700000 /*2.7v*/
 static	struct regulator		*LDO;
 
-int i2c_atmel_read(struct i2c_client *client, uint16_t address, uint8_t *data, uint8_t length)
+static int i2c_atmel_read(struct i2c_client *client, uint16_t address, uint8_t *data, uint8_t length)
 {
 	int retry, ret;
 	uint8_t addr[2];
@@ -493,7 +493,7 @@ int i2c_atmel_read(struct i2c_client *client, uint16_t address, uint8_t *data, u
 	return 0;
 }
 
-int i2c_atmel_write(struct i2c_client *client, uint16_t address, uint8_t *data, uint8_t length)
+static int i2c_atmel_write(struct i2c_client *client, uint16_t address, uint8_t *data, uint8_t length)
 {
 	int retry, loop_i, ret;
 	uint8_t buf[length + 2];
@@ -529,13 +529,13 @@ int i2c_atmel_write(struct i2c_client *client, uint16_t address, uint8_t *data,
 
 }
 
-int i2c_atmel_write_byte_data(struct i2c_client *client, uint16_t address, uint8_t value)
+static int i2c_atmel_write_byte_data(struct i2c_client *client, uint16_t address, uint8_t value)
 {
 	i2c_atmel_write(client, address, &value, 1);
 	return 0;
 }
 
-uint16_t get_object_address(struct atmel_ts_data *ts, uint8_t object_type)
+static uint16_t get_object_address(struct atmel_ts_data *ts, uint8_t object_type)
 {
 	uint8_t loop_i;
 	for (loop_i = 0; loop_i < ts->id->num_declared_objects; loop_i++) {
@@ -544,7 +544,7 @@ uint16_t get_object_address(struct atmel_ts_data *ts, uint8_t object_type)
 	}
 	return 0;
 }
-uint8_t get_object_size(struct atmel_ts_data *ts, uint8_t object_type)
+static uint8_t get_object_size(struct atmel_ts_data *ts, uint8_t object_type)
 {
 	uint8_t loop_i;
 	for (loop_i = 0; loop_i < ts->id->num_declared_objects; loop_i++) {
@@ -554,7 +554,7 @@ uint8_t get_object_size(struct atmel_ts_data *ts, uint8_t object_type)
 	return 0;
 }
 
-uint8_t get_object_size_from_address(struct atmel_ts_data *ts, int address)
+static uint8_t get_object_size_from_address(struct atmel_ts_data *ts, int address)
 {
 	uint8_t loop_i;
 	for (loop_i = 0; loop_i < ts->id->num_declared_objects; loop_i++) {
@@ -844,7 +844,7 @@ static int read_object_table(struct atmel_ts_data *ts)
 	return 0;
 }
 
-struct atmel_i2c_platform_data *atmel_ts_get_pdata(struct i2c_client *client)
+static struct atmel_i2c_platform_data *atmel_ts_get_pdata(struct i2c_client *client)
 {
 	struct device_node *node = client->dev.of_node;
 	struct atmel_i2c_platform_data *pdata = client->dev.platform_data;
--
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