---
drivers/i2c/fsl_i2c.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c
index cb13dee..8350fbe 100644
--- a/drivers/i2c/fsl_i2c.c
+++ b/drivers/i2c/fsl_i2c.c
@@ -381,12 +381,12 @@ i2c_read(u8 dev, uint addr, int alen, u8 *data,
int length)
u8 *a = (u8*)&addr;
if (i2c_wait4bus() >= 0
- && i2c_write_addr(dev, I2C_WRITE_BIT, 0) != 0
- && __i2c_write(&a[4 - alen], alen) == alen)
+ && (alen == 0 || (i2c_write_addr(dev, I2C_WRITE_BIT, 0) != 0
+ && __i2c_write(&a[4 - alen], alen) == alen)))
i = 0; /* No error so far */
if (length
- && i2c_write_addr(dev, I2C_READ_BIT, 1) != 0)
+ && i2c_write_addr(dev, I2C_READ_BIT, alen == 0 ? 0 : 1) != 0)
i = __i2c_read(data, length);
writeb(I2C_CR_MEN, &i2c_dev[i2c_bus_num]->cr);
@@ -432,7 +432,7 @@ i2c_probe(uchar chip)
if (chip == (readb(&i2c_dev[i2c_bus_num]->adr) >> 1))
return -1;
- return i2c_read(chip, 0, 0, NULL, 0);
+ return i2c_read(chip, 0, 1, NULL, 0);
}
int i2c_set_bus_num(unsigned int bus)
--
1.5.4.3
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