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-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 1305ef190fc1..7ad22c53564d 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -323,7 +323,17 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
323 * end of the message, and if so, work out what to do 323 * end of the message, and if so, work out what to do
324 */ 324 */
325 325
326 if (!(i2c->msg->flags & I2C_M_IGNORE_NAK)) {
327 if (iicstat & S3C2410_IICSTAT_LASTBIT) {
328 dev_dbg(i2c->dev, "WRITE: No Ack\n");
329
330 s3c24xx_i2c_stop(i2c, -ECONNREFUSED);
331 goto out_ack;
332 }
333 }
334
326 retry_write: 335 retry_write:
336
327 if (!is_msgend(i2c)) { 337 if (!is_msgend(i2c)) {
328 byte = i2c->msg->buf[i2c->msg_ptr++]; 338 byte = i2c->msg->buf[i2c->msg_ptr++];
329 writeb(byte, i2c->regs + S3C2410_IICDS); 339 writeb(byte, i2c->regs + S3C2410_IICDS);
@@ -377,17 +387,6 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
377 * going to do any more read/write 387 * going to do any more read/write
378 */ 388 */
379 389
380 if (!(i2c->msg->flags & I2C_M_IGNORE_NAK) &&
381 !(is_msglast(i2c) && is_lastmsg(i2c))) {
382
383 if (iicstat & S3C2410_IICSTAT_LASTBIT) {
384 dev_dbg(i2c->dev, "READ: No Ack\n");
385
386 s3c24xx_i2c_stop(i2c, -ECONNREFUSED);
387 goto out_ack;
388 }
389 }
390
391 byte = readb(i2c->regs + S3C2410_IICDS); 390 byte = readb(i2c->regs + S3C2410_IICDS);
392 i2c->msg->buf[i2c->msg_ptr++] = byte; 391 i2c->msg->buf[i2c->msg_ptr++] = byte;
393 392