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Diffstat (limited to 'cpu/mpc5xxx/i2c.c')
-rw-r--r--cpu/mpc5xxx/i2c.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/cpu/mpc5xxx/i2c.c b/cpu/mpc5xxx/i2c.c
index 845f7c05eff..044db46f6fb 100644
--- a/cpu/mpc5xxx/i2c.c
+++ b/cpu/mpc5xxx/i2c.c
@@ -55,8 +55,9 @@ static int mpc_get_fdr (int);
static int mpc_reg_in(volatile u32 *reg)
{
- return *reg >> 24;
+ int ret = *reg >> 24;
__asm__ __volatile__ ("eieio");
+ return ret;
}
static void mpc_reg_out(volatile u32 *reg, int val, int mask)
@@ -298,7 +299,7 @@ int i2c_probe(uchar chip)
int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
{
- uchar xaddr[4];
+ char xaddr[4];
struct mpc5xxx_i2c * regs = (struct mpc5xxx_i2c *)I2C_BASE;
int ret = -1;
@@ -329,7 +330,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
goto Done;
}
- if (receive_bytes(chip, buf, len)) {
+ if (receive_bytes(chip, (char *)buf, len)) {
printf("i2c_read: receive_bytes failed\n");
goto Done;
}
@@ -342,7 +343,7 @@ Done:
int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)
{
- uchar xaddr[4];
+ char xaddr[4];
struct mpc5xxx_i2c *regs = (struct mpc5xxx_i2c *)I2C_BASE;
int ret = -1;
@@ -367,7 +368,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)
goto Done;
}
- if (send_bytes(chip, buf, len)) {
+ if (send_bytes(chip, (char *)buf, len)) {
printf("i2c_write: send_bytes failed\n");
goto Done;
}
@@ -380,7 +381,7 @@ Done:
uchar i2c_reg_read(uchar chip, uchar reg)
{
- char buf;
+ uchar buf;
i2c_read(chip, reg, 1, &buf, 1);