From: Tomoya MORINAGA Date: Wed, 12 Oct 2011 04:13:04 +0000 (+0900) Subject: i2c-eg20t: add stop sequence in case wait-event timeout occurs X-Git-Tag: firefly_0821_release~3680^2~4244^2~2^3~2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3cf21a7c48389c167065bffd61db39a9bd201f07;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Ben Dooks --- 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; }