From: "Jett.Zhou" <[email protected]> Normally i2c controller works as master, so slave addr is not needed, or it will impact some slave device (eg. ST NFC chip) i2c accesses, because it has the same i2c address with controller.
Signed-off-by: Jett.Zhou <[email protected]> [[email protected]: Updated Changelog] Signed-off-by: Vaibhav Hiremath <[email protected]> Cc: Wolfram Sang <[email protected]> Signed-off-by: Vaibhav Hiremath <[email protected]> --- drivers/i2c/busses/i2c-pxa.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index f4ac8c5..d4c798a 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -459,8 +459,10 @@ static void i2c_pxa_reset(struct pxa_i2c *i2c) writel(I2C_ISR_INIT, _ISR(i2c)); writel(readl(_ICR(i2c)) & ~ICR_UR, _ICR(i2c)); +#ifdef CONFIG_I2C_PXA_SLAVE if (i2c->reg_isar) writel(i2c->slave_addr, _ISAR(i2c)); +#endif /* set control register values */ writel(I2C_ICR_INIT | (i2c->fast_mode ? ICR_FM : 0), _ICR(i2c)); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
