i2c-designware: i2c_dw_handle_tx_abort: Use dev_dbg() for NOACK cases

In the case of no-ACKs, we don't want to see dev_err() messages in the
console, because some utilities like i2c-tools are capable of printing
decorated console output.  This patch will ease such situations.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c
index 4534d4554ff..9e18ef97f15 100644
--- a/drivers/i2c/busses/i2c-designware.c
+++ b/drivers/i2c/busses/i2c-designware.c
@@ -496,13 +496,18 @@ static int i2c_dw_handle_tx_abort(struct dw_i2c_dev *dev)
         unsigned long abort_source = dev->abort_source;
         int i;
 
+        if (abort_source & DW_IC_TX_ABRT_NOACK) {
+                for_each_bit(i, &abort_source, ARRAY_SIZE(abort_sources))
+                        dev_dbg(dev->dev,
+                                "%s: %s\n", __func__, abort_sources[i]);
+                return -EREMOTEIO;
+        }
+
         for_each_bit(i, &abort_source, ARRAY_SIZE(abort_sources))
                 dev_err(dev->dev, "%s: %s\n", __func__, abort_sources[i]);
 
         if (abort_source & DW_IC_TX_ARB_LOST)
                 return -EAGAIN;
-        else if (abort_source & DW_IC_TX_ABRT_NOACK)
-                return -EREMOTEIO;
         else if (abort_source & DW_IC_TX_ABRT_GCALL_READ)
                 return -EINVAL; /* wrong msgs[] data */
         else