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| author | Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com> | 2011-10-12 13:13:04 +0900 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2011-10-29 11:09:33 +0100 |
| commit | 3cf21a7c48389c167065bffd61db39a9bd201f07 (patch) | |
| tree | 07f37090b058e7aa8fb04676d4a560d2e37a381c /drivers/i2c | |
| parent | 12bd3146518ab984c1eb234a0f81756ddc5e3683 (diff) | |
| download | linux-3cf21a7c48389c167065bffd61db39a9bd201f07.tar.gz linux-3cf21a7c48389c167065bffd61db39a9bd201f07.tar.bz2 linux-3cf21a7c48389c167065bffd61db39a9bd201f07.zip | |
i2c-eg20t: add stop sequence in case wait-event timeout occurs
add stop sequence in case wait-event timeout in write processing.
(read processing already had it)
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | 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 cb296862ae0a..318e6a5a710f 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; } |