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-rw-r--r--drivers/sbus/char/bbc_i2c.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 22631f8b9b48..8410587348f1 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -187,19 +187,20 @@ static int wait_for_pin(struct bbc_i2c_bus *bp, u8 *status)
187 bp->waiting = 1; 187 bp->waiting = 1;
188 add_wait_queue(&bp->wq, &wait); 188 add_wait_queue(&bp->wq, &wait);
189 while (limit-- > 0) { 189 while (limit-- > 0) {
190 u8 val; 190 unsigned long val;
191 191
192 set_current_state(TASK_INTERRUPTIBLE); 192 val = wait_event_interruptible_timeout(
193 *status = val = readb(bp->i2c_control_regs + 0); 193 bp->wq,
194 if ((val & I2C_PCF_PIN) == 0) { 194 (((*status = readb(bp->i2c_control_regs + 0))
195 & I2C_PCF_PIN) == 0),
196 msecs_to_jiffies(250));
197 if (val > 0) {
195 ret = 0; 198 ret = 0;
196 break; 199 break;
197 } 200 }
198 msleep_interruptible(250);
199 } 201 }
200 remove_wait_queue(&bp->wq, &wait); 202 remove_wait_queue(&bp->wq, &wait);
201 bp->waiting = 0; 203 bp->waiting = 0;
202 current->state = TASK_RUNNING;
203 204
204 return ret; 205 return ret;
205} 206}
@@ -340,7 +341,7 @@ static irqreturn_t bbc_i2c_interrupt(int irq, void *dev_id)
340 */ 341 */
341 if (bp->waiting && 342 if (bp->waiting &&
342 !(readb(bp->i2c_control_regs + 0x0) & I2C_PCF_PIN)) 343 !(readb(bp->i2c_control_regs + 0x0) & I2C_PCF_PIN))
343 wake_up(&bp->wq); 344 wake_up_interruptible(&bp->wq);
344 345
345 return IRQ_HANDLED; 346 return IRQ_HANDLED;
346} 347}