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Commit 3cf21a7c authored by Tomoya MORINAGA's avatar Tomoya MORINAGA Committed by Ben Dooks
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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: default avatarTomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 12bd3146

drivers/i2c/busses/i2c-eg20t.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -456,6 +456,7 @@ static s32 pch_i2c_writebytes(struct i2c_adapter *i2c_adap, 
		pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT);

		pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT);

		return -EAGAIN;

		return -EAGAIN;

	} else { /* wait-event timeout */

	} else { /* wait-event timeout */

		pch_i2c_stop(adap);

		return -ETIME;

		return -ETIME;

	}

	}
@@ -476,6 +477,7 @@ static s32 pch_i2c_writebytes(struct i2c_adapter *i2c_adap, 
			pch_clrbit(adap->pch_base_address, PCH_I2CSR,

			pch_clrbit(adap->pch_base_address, PCH_I2CSR,

				   I2CMIF_BIT);

				   I2CMIF_BIT);

		} else { /* wait-event timeout */

		} else { /* wait-event timeout */

			pch_i2c_stop(adap);

			return -ETIME;

			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);

		pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT);

		return -EAGAIN;

		return -EAGAIN;

	} else { /* wait-event timeout */

	} else { /* wait-event timeout */

		pch_i2c_stop(adap);

		return -ETIME;

		return -ETIME;

	}

	}