writel(icr | ICR_START | ICR_TB, _ICR(i2c));
}
+static inline void i2c_pxa_stop_message(struct pxa_i2c *i2c)
+{
+ u32 icr;
+
+ /*
+ * Clear the STOP and ACK flags
+ */
+ icr = readl(_ICR(i2c));
+ icr &= ~(ICR_STOP | ICR_ACKNAK);
+ writel(icr, _IRC(i2c));
+}
+
/*
* We are protected by the adapter bus mutex.
*/
* The rest of the processing occurs in the interrupt handler.
*/
timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5);
+ i2c_pxa_stop_message(i2c);
/*
* We place the return code in i2c->msg_idx.
};
static struct pxa_i2c i2c_pxa = {
- .lock = SPIN_LOCK_UNLOCKED,
+ .lock = __SPIN_LOCK_UNLOCKED(i2c_pxa.lock),
.adap = {
.owner = THIS_MODULE,
.algo = &i2c_pxa_algorithm,