add stop sequence in case wait-event timeout in write processing.
(read processing already had it)

commit: 3cf21a7c48389c167065bffd61db39a9bd201f07

kernel version: 3.0

Cc: [email protected]
Signed-off-by: Ben Dooks <[email protected]>
Signed-off-by: Tomoya MORINAGA <[email protected]>
---
v2
 - Delete Invalid "Signed-off-by" signature.
---
 drivers/i2c/busses/i2c-eg20t.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 3525aa2..2e494ac 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -456,6 +456,7 @@ static s32 pch_i2c_writebytes(struct i2c_adapter *i2c_adap,
                pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT);
                return -EAGAIN;
        } else { /* wait-event timeout */
+               pch_i2c_stop(adap);
                return -ETIME;
        }
 
@@ -476,6 +477,7 @@ static s32 pch_i2c_writebytes(struct i2c_adapter *i2c_adap,
                        pch_clrbit(adap->pch_base_address, PCH_I2CSR,
                                   I2CMIF_BIT);
                } else { /* wait-event timeout */
+                       pch_i2c_stop(adap);
                        return -ETIME;
                }
        }
@@ -632,6 +634,7 @@ static s32 pch_i2c_readbytes(struct i2c_adapter *i2c_adap, 
struct i2c_msg *msgs,
                pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT);
                return -EAGAIN;
        } else { /* wait-event timeout */
+               pch_i2c_stop(adap);
                return -ETIME;
        }
 
-- 
1.7.7.6

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