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w1: ds2438: make several functions static 

The functions w1_ds2438_get_page, w1_ds2438_get_temperature,
w1_ds2438_change_config_bit and w1_ds2438_get_voltage are local to
the source and do not need to be in global scope, so make it static.

Cleans up sparse warnings:
symbol 'w1_ds2438_get_page' was not declared. Should it be static?
symbol 'w1_ds2438_get_temperature' was not declared. Should it be static?
symbol 'w1_ds2438_change_config_bit' was not declared. Should it be static?
symbol 'w1_ds2438_get_voltage' was not declared. Should it be static?

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Colin Ian King 2017-08-12 22:34:03 +01:00 committed by Greg Kroah-Hartman
parent c64163e237
commit e5cf84e822
1 changed files with 5 additions and 4 deletions
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9
drivers/w1/slaves/w1_ds2438.c
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@ -51,7 +51,7 @@
#define DS2438_CURRENT_MSB 0x06
#define DS2438_THRESHOLD 0x07
int w1_ds2438_get_page(struct w1_slave *sl, int pageno, u8 *buf)
static int w1_ds2438_get_page(struct w1_slave *sl, int pageno, u8 *buf)
{
unsigned int retries = W1_DS2438_RETRIES;
u8 w1_buf[2];
@ -85,7 +85,7 @@ int w1_ds2438_get_page(struct w1_slave *sl, int pageno, u8 *buf)
return -1;
}
int w1_ds2438_get_temperature(struct w1_slave *sl, int16_t *temperature)
static int w1_ds2438_get_temperature(struct w1_slave *sl, int16_t *temperature)
{
unsigned int retries = W1_DS2438_RETRIES;
u8 w1_buf[DS2438_PAGE_SIZE + 1 /*for CRC*/];
@ -127,7 +127,7 @@ post_unlock:
return ret;
}
int w1_ds2438_change_config_bit(struct w1_slave *sl, u8 mask, u8 value)
static int w1_ds2438_change_config_bit(struct w1_slave *sl, u8 mask, u8 value)
{
unsigned int retries = W1_DS2438_RETRIES;
u8 w1_buf[3];
@ -186,7 +186,8 @@ int w1_ds2438_change_config_bit(struct w1_slave *sl, u8 mask, u8 value)
return -1;
}
uint16_t w1_ds2438_get_voltage(struct w1_slave *sl, int adc_input, uint16_t *voltage)
static uint16_t w1_ds2438_get_voltage(struct w1_slave *sl,
int adc_input, uint16_t *voltage)
{
unsigned int retries = W1_DS2438_RETRIES;
u8 w1_buf[DS2438_PAGE_SIZE + 1 /*for CRC*/];