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Diffstat (limited to 'src/cpu/samsung/exynos5420/i2c.c')
-rw-r--r--src/cpu/samsung/exynos5420/i2c.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/cpu/samsung/exynos5420/i2c.c b/src/cpu/samsung/exynos5420/i2c.c
index acb5bcf7cc..226862802a 100644
--- a/src/cpu/samsung/exynos5420/i2c.c
+++ b/src/cpu/samsung/exynos5420/i2c.c
@@ -408,7 +408,8 @@ static int hsi2c_wait_for_transfer(struct exynos5_hsi2c *i2c)
return 0;
}
-static int hsi2c_senddata(struct exynos5_hsi2c *i2c, uint8_t *data, int len)
+static int hsi2c_senddata(struct exynos5_hsi2c *i2c, const uint8_t *data,
+ int len)
{
while (!hsi2c_check_transfer(i2c) && len) {
if (!(read32(&i2c->usi_fifo_stat) & HSI2C_TX_FIFO_FULL)) {
@@ -434,7 +435,7 @@ static int hsi2c_write(struct exynos5_hsi2c *i2c,
unsigned char chip,
unsigned char addr[],
unsigned char alen,
- unsigned char data[],
+ const uint8_t data[],
unsigned short len)
{
uint32_t i2c_auto_conf;
@@ -470,7 +471,7 @@ static int hsi2c_read(struct exynos5_hsi2c *i2c,
unsigned char chip,
unsigned char addr[],
unsigned char alen,
- unsigned char data[],
+ uint8_t data[],
unsigned short len,
int check)
{
@@ -632,7 +633,7 @@ bailout:
}
int i2c_read(unsigned bus, unsigned chip, unsigned addr,
- unsigned alen, unsigned char *buf, unsigned len)
+ unsigned alen, uint8_t *buf, unsigned len)
{
struct s3c24x0_i2c_bus *i2c;
unsigned char xaddr[4];
@@ -667,7 +668,7 @@ int i2c_read(unsigned bus, unsigned chip, unsigned addr,
}
int i2c_write(unsigned bus, unsigned chip, unsigned addr,
- unsigned alen, unsigned char *buf, unsigned len)
+ unsigned alen, const uint8_t *buf, unsigned len)
{
struct s3c24x0_i2c_bus *i2c;
unsigned char xaddr[4];
@@ -692,7 +693,7 @@ int i2c_write(unsigned bus, unsigned chip, unsigned addr,
alen, buf, len);
else
ret = i2c_transfer(i2c->regs, I2C_WRITE, chip << 1,
- &xaddr[4 - alen], alen, buf, len);
+ &xaddr[4 - alen], alen, (void *)buf, len);
if (ret != 0) {